[Bug 91413] New: INFO: task Xorg:2419 blocked for more than 120 seconds.

[Bug 91413] New: INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

[-- Attachment #1.1: Type: text/plain, Size: 59082 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=91413

            Bug ID: 91413
           Summary: INFO: task Xorg:2419 blocked for more than 120
                    seconds.
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: vhann3000+freedesktop-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

I was compiling a the kernel with "make mrproper && cp -vi
/boot/config-3.19.0-22-generic .config && ionice -c 3 nice -n 20 make -j 8
deb-pkg LOCALVERSION=-custom" while watching a Flash video on youtube and doing
other things and this crash happened.

This is the same machine as used in
https://bugs.freedesktop.org/show_bug.cgi?id=91373 if that's relevant.

Here is what was in kern.log post-reboot:

Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090321] ------------[ cut here
]------------
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090328] WARNING: CPU: 5 PID: 0 at
kernel/watchdog.c:304 watchdog_overflow_callback+0x9a/0xc0()
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090329] Watchdog detected hard LOCKUP
on cpu 5
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090330] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090377] CPU: 5 PID: 0 Comm: swapper/5
Tainted: G            E   4.1.0-custom #1
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090378] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090379]  ffffffff81aa9359
ffff88021ed45ac0 ffffffff817c830e 0000000000000000
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090381]  ffff88021ed45b10
ffff88021ed45b00 ffffffff81079a5a 0000000000000000
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090382]  ffff880214de8000
0000000000000000 ffff88021ed45c40 0000000000000000
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090384] Call Trace:
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090385]  <NMI>  [<ffffffff817c830e>]
dump_stack+0x45/0x57
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090392]  [<ffffffff81079a5a>]
warn_slowpath_common+0x8a/0xc0
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090393]  [<ffffffff81079ad6>]
warn_slowpath_fmt+0x46/0x50
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090395]  [<ffffffff81130f2a>]
watchdog_overflow_callback+0x9a/0xc0
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090397]  [<ffffffff811772fc>]
__perf_event_overflow+0x8c/0x230
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090400]  [<ffffffff8102ca09>] ?
x86_perf_event_set_period+0xd9/0x160
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090401]  [<ffffffff81177e64>]
perf_event_overflow+0x14/0x20
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090403]  [<ffffffff81034d2a>]
intel_pmu_handle_irq+0x1da/0x450
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090406]  [<ffffffff8102b60b>]
perf_event_nmi_handler+0x2b/0x50
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090408]  [<ffffffff810191d8>]
nmi_handle+0x88/0x120
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090410]  [<ffffffff8101974a>]
default_do_nmi+0x4a/0x140
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090411]  [<ffffffff810198c8>]
do_nmi+0x88/0xc0
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090413]  [<ffffffff817d22af>]
end_repeat_nmi+0x1e/0x2e
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090415]  [<ffffffff817cfa08>] ?
_raw_spin_lock_irqsave+0x48/0x80
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090417]  [<ffffffff817cfa08>] ?
_raw_spin_lock_irqsave+0x48/0x80
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090418]  [<ffffffff817cfa08>] ?
_raw_spin_lock_irqsave+0x48/0x80
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090419]  <<EOE>>  <IRQ> 
[<ffffffffc085da8f>] nvkm_fantog_update+0x4f/0x120 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090452]  [<ffffffffc085dbb5>]
nvkm_fantog_set+0x35/0x40 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090464]  [<ffffffffc085d09f>]
nvkm_fan_update+0xef/0x1d0 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090475]  [<ffffffffc085d1d9>]
nvkm_therm_fan_set+0x19/0x20 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090486]  [<ffffffffc085c8ed>]
nvkm_therm_update+0xad/0x300 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090496]  [<ffffffffc085cb5a>]
nvkm_therm_alarm+0x1a/0x20 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090507]  [<ffffffffc0860266>]
nv04_timer_alarm_trigger+0x126/0x170 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090517]  [<ffffffffc086032b>]
nv04_timer_alarm+0x7b/0xe0 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090527]  [<ffffffffc085e25a>]
alarm_timer_callback+0xca/0xd0 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090537]  [<ffffffffc0860266>]
nv04_timer_alarm_trigger+0x126/0x170 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090547]  [<ffffffffc086032b>]
nv04_timer_alarm+0x7b/0xe0 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090556]  [<ffffffffc085db5e>]
nvkm_fantog_update+0x11e/0x120 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090565]  [<ffffffffc085db7a>]
nvkm_fantog_alarm+0x1a/0x20 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090575]  [<ffffffffc0860266>]
nv04_timer_alarm_trigger+0x126/0x170 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090584]  [<ffffffffc08603fb>]
nv04_timer_intr+0x6b/0x90 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090594]  [<ffffffffc0856df5>]
nvkm_mc_intr+0x105/0x160 [nouveau]
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090597]  [<ffffffff810d3bee>]
handle_irq_event_percpu+0x3e/0x1a0
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090599]  [<ffffffff810d3d91>]
handle_irq_event+0x41/0x70
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090600]  [<ffffffff810d6e8f>]
handle_edge_irq+0x7f/0x120
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090602]  [<ffffffff81017602>]
handle_irq+0x22/0x40
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090604]  [<ffffffff817d2c91>]
do_IRQ+0x51/0xf0
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090605]  [<ffffffff817d0b2e>]
common_interrupt+0x6e/0x6e
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090606]  <EOI>  [<ffffffff81664249>] ?
cpuidle_enter_state+0xa9/0x1f0
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090609]  [<ffffffff81664218>] ?
cpuidle_enter_state+0x78/0x1f0
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090610]  [<ffffffff816643c7>]
cpuidle_enter+0x17/0x20
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090612]  [<ffffffff810bcbec>]
cpu_startup_entry+0x34c/0x3e0
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090615]  [<ffffffff8104d5c2>]
start_secondary+0x182/0x1b0
Jul 21 10:11:42 dioo-XPS kernel: [ 2185.090616] ---[ end trace b80f0859f585fb0d
]---
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316162] NMI watchdog: BUG: soft lockup
- CPU#3 stuck for 22s! [sh:4811]
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316165] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316200] CPU: 3 PID: 4811 Comm: sh
Tainted: G        W   E   4.1.0-custom #1
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316201] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316202] task: ffff8800c785a840 ti:
ffff8800d85fc000 task.ti: ffff8800d85fc000
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316203] RIP: 0010:[<ffffffff810fa588>] 
[<ffffffff810fa588>] smp_call_function_single+0xc8/0x120
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316207] RSP: 0018:ffff8800d85ffce8 
EFLAGS: 00000202
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316208] RAX: 0000000000000000 RBX:
0000000000000005 RCX: 0000000000000006
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316208] RDX: 0000000000000001 RSI:
0000000000000100 RDI: 0000000000000296
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316209] RBP: ffff8800d85ffd28 R08:
0000000000000003 R09: 0000000000000000
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316209] R10: 0000000000000004 R11:
0000000000000000 R12: 0000000000000003
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316210] R13: 0000010000000003 R14:
000000000000e280 R15: 000000fbd85ffc88
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316211] FS:  00002b3208196b80(0000)
GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316212] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316212] CR2: 000055934bd6d6c8 CR3:
00000000b6d5a000 CR4: 00000000001407e0
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316213] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316214] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316214] Stack:
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316215]  00007ffe243a6fff
ffff8802124e6d50 0000000000000000 ffffffff8106da80
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316216]  ffff8800d85ffd90
0000000000000003 0000000000000003 ffff8802126b4a10
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316217]  ffff8800d85ffd78
ffffffff810fa98d 0000000000000003 01007ffe00000001
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316218] Call Trace:
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316221]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316222]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316223]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316224]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316226]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316227]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316228]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316231]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:11:42 dioo-XPS kernel: [ 2195.316231] Code: 30 5b 41 5c 5d c3 0f 1f
44 00 00 48 8d 75 d0 48 89 d1 89 df 4c 89 e2 e8 67 fe ff ff 8b 55 e8 83 e2 01
74 d9 0f 1f 80 00 00 00 00 <f3> 90 8b 55 e8 83 e2 01 75 f6 eb c6 0f 1f 40 00 8b
05 7a e7 de 
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306038] NMI watchdog: BUG: soft lockup
- CPU#3 stuck for 22s! [sh:4811]
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306040] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306075] CPU: 3 PID: 4811 Comm: sh
Tainted: G        W   EL  4.1.0-custom #1
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306076] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306077] task: ffff8800c785a840 ti:
ffff8800d85fc000 task.ti: ffff8800d85fc000
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306078] RIP: 0010:[<ffffffff810fa58d>] 
[<ffffffff810fa58d>] smp_call_function_single+0xcd/0x120
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306082] RSP: 0018:ffff8800d85ffce8 
EFLAGS: 00000202
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306082] RAX: 0000000000000000 RBX:
0000000000000005 RCX: 0000000000000006
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306083] RDX: 0000000000000003 RSI:
0000000000000100 RDI: 0000000000000296
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306083] RBP: ffff8800d85ffd28 R08:
0000000000000003 R09: 0000000000000000
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306084] R10: 0000000000000004 R11:
0000000000000000 R12: 0000000000000003
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306084] R13: 0000010000000003 R14:
000000000000e280 R15: 000000fbd85ffc88
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306085] FS:  00002b3208196b80(0000)
GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306086] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306087] CR2: 000055934bd6d6c8 CR3:
00000000b6d5a000 CR4: 00000000001407e0
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306088] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306088] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306089] Stack:
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306089]  00007ffe243a6fff
ffff8802124e6d50 0000000000000000 ffffffff8106da80
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306091]  ffff8800d85ffd90
0000000000000003 0000000000000003 ffff8802126b4a10
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306092]  ffff8800d85ffd78
ffffffff810fa98d 0000000000000003 01007ffe00000001
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306093] Call Trace:
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306095]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306097]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306098]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306099]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306101]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306102]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306103]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306105]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:12:10 dioo-XPS kernel: [ 2223.306106] Code: c3 0f 1f 44 00 00 48 8d
75 d0 48 89 d1 89 df 4c 89 e2 e8 67 fe ff ff 8b 55 e8 83 e2 01 74 d9 0f 1f 80
00 00 00 00 f3 90 8b 55 e8 <83> e2 01 75 f6 eb c6 0f 1f 40 00 8b 05 7a e7 de 00
85 c0 75 80 
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.983984] INFO: rcu_sched detected stalls
on CPUs/tasks: { 5} (detected by 3, t=15002 jiffies, g=102000, c=101999, q=0)
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.983987] Task dump for CPU 5:
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.983988] swapper/5       R  running task
       0     0      1 0x00000008
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.983990]  ffff880215267e48
0000000000000018 ffffffff81664218 00000013a1719018
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.983991]  000001f930babff8
ffffffff81ca9c60 0000000000000000 ffff880215267e88
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.983992]  ffffffff81d2b080
ffff88021ed5f000 ffffffff81ca9c60 ffff880215264000
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.983994] Call Trace:
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.983997]  [<ffffffff81664218>] ?
cpuidle_enter_state+0x78/0x1f0
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.983998]  [<ffffffff816643c7>] ?
cpuidle_enter+0x17/0x20
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.984000]  [<ffffffff810bcbec>] ?
cpu_startup_entry+0x34c/0x3e0
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.984003]  [<ffffffff8104d5c2>] ?
start_secondary+0x182/0x1b0
Jul 21 10:12:16 dioo-XPS kernel: [ 2228.984004] rcu_sched kthread starved for
15001 jiffies!
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294467] NMI watchdog: BUG: soft lockup
- CPU#3 stuck for 22s! [sh:4811]
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294469] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294517] CPU: 3 PID: 4811 Comm: sh
Tainted: G        W   EL  4.1.0-custom #1
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294518] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294519] task: ffff8800c785a840 ti:
ffff8800d85fc000 task.ti: ffff8800d85fc000
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294519] RIP: 0010:[<ffffffff810fa58a>] 
[<ffffffff810fa58a>] smp_call_function_single+0xca/0x120
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294522] RSP: 0018:ffff8800d85ffce8 
EFLAGS: 00000202
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294523] RAX: 0000000000000000 RBX:
0000000000000005 RCX: 0000000000000006
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294523] RDX: 0000000000000001 RSI:
0000000000000100 RDI: 0000000000000296
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294524] RBP: ffff8800d85ffd28 R08:
0000000000000003 R09: 0000000000000000
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294524] R10: 0000000000000004 R11:
0000000000000000 R12: 0000000000000003
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294525] R13: 0000010000000003 R14:
000000000000e280 R15: 000000fbd85ffc88
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294526] FS:  00002b3208196b80(0000)
GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294527] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294527] CR2: 000055934bd6d6c8 CR3:
00000000b6d5a000 CR4: 00000000001407e0
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294528] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294529] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294529] Stack:
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294529]  00007ffe243a6fff
ffff8802124e6d50 0000000000000000 ffffffff8106da80
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294531]  ffff8800d85ffd90
0000000000000003 0000000000000003 ffff8802126b4a10
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294532]  ffff8800d85ffd78
ffffffff810fa98d 0000000000000003 01007ffe00000001
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294533] Call Trace:
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294534]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294536]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294537]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294538]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294539]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294540]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294541]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294543]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:12:42 dioo-XPS kernel: [ 2255.294544] Code: 41 5c 5d c3 0f 1f 44 00
00 48 8d 75 d0 48 89 d1 89 df 4c 89 e2 e8 67 fe ff ff 8b 55 e8 83 e2 01 74 d9
0f 1f 80 00 00 00 00 f3 90 <8b> 55 e8 83 e2 01 75 f6 eb c6 0f 1f 40 00 8b 05 7a
e7 de 00 85 
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284343] NMI watchdog: BUG: soft lockup
- CPU#3 stuck for 22s! [sh:4811]
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284344] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284389] CPU: 3 PID: 4811 Comm: sh
Tainted: G        W   EL  4.1.0-custom #1
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284390] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284391] task: ffff8800c785a840 ti:
ffff8800d85fc000 task.ti: ffff8800d85fc000
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284392] RIP: 0010:[<ffffffff810fa58a>] 
[<ffffffff810fa58a>] smp_call_function_single+0xca/0x120
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284394] RSP: 0018:ffff8800d85ffce8 
EFLAGS: 00000202
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284395] RAX: 0000000000000000 RBX:
0000000000000005 RCX: 0000000000000006
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284395] RDX: 0000000000000001 RSI:
0000000000000100 RDI: 0000000000000296
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284396] RBP: ffff8800d85ffd28 R08:
0000000000000003 R09: 0000000000000000
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284396] R10: 0000000000000004 R11:
0000000000000000 R12: 0000000000000003
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284397] R13: 0000010000000003 R14:
000000000000e280 R15: 000000fbd85ffc88
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284398] FS:  00002b3208196b80(0000)
GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284399] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284399] CR2: 000055934bd6d6c8 CR3:
00000000b6d5a000 CR4: 00000000001407e0
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284400] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284400] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284401] Stack:
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284401]  00007ffe243a6fff
ffff8802124e6d50 0000000000000000 ffffffff8106da80
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284403]  ffff8800d85ffd90
0000000000000003 0000000000000003 ffff8802126b4a10
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284404]  ffff8800d85ffd78
ffffffff810fa98d 0000000000000003 01007ffe00000001
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284405] Call Trace:
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284406]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284407]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284408]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284409]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284411]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284412]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284413]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284415]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:13:10 dioo-XPS kernel: [ 2283.284415] Code: 41 5c 5d c3 0f 1f 44 00
00 48 8d 75 d0 48 89 d1 89 df 4c 89 e2 e8 67 fe ff ff 8b 55 e8 83 e2 01 74 d9
0f 1f 80 00 00 00 00 f3 90 <8b> 55 e8 83 e2 01 75 f6 eb c6 0f 1f 40 00 8b 05 7a
e7 de 00 85 
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962289] INFO: rcu_sched self-detected
stall on CPU { 3}  (t=15000 jiffies g=102001 c=102000 q=0)
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962301] Task dump for CPU 3:
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962302] sh              R  running task
       0  4811  32753 0x00000008
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962304]  ffffffff81c52ac0
ffff88021ecc3d78 ffffffff810a611f 0000000000000003
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962305]  ffffffff81c52ac0
ffff88021ecc3d98 ffffffff810a9a1d 0000000000000087
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962306]  0000000000000004
ffff88021ecc3dc8 ffffffff810dbd00 ffff88021ecd8340
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962307] Call Trace:
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962308]  <IRQ>  [<ffffffff810a611f>]
sched_show_task+0xaf/0x120
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962311]  [<ffffffff810a9a1d>]
dump_cpu_task+0x3d/0x50
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962314]  [<ffffffff810dbd00>]
rcu_dump_cpu_stacks+0x90/0xd0
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962315]  [<ffffffff810e00a3>]
rcu_check_callbacks+0x4a3/0x780
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962317]  [<ffffffff810aaa50>] ?
account_process_tick+0x60/0x180
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962318]  [<ffffffff810e53d9>]
update_process_times+0x39/0x60
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962319]  [<ffffffff810f4f95>]
tick_sched_handle.isra.16+0x25/0x60
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962320]  [<ffffffff810f5014>]
tick_sched_timer+0x44/0x80
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962321]  [<ffffffff810e60b7>]
__run_hrtimer+0x77/0x1d0
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962322]  [<ffffffff810f4fd0>] ?
tick_sched_handle.isra.16+0x60/0x60
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962324]  [<ffffffff810e6483>]
hrtimer_interrupt+0xf3/0x220
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962325]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962325]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962327]  [<ffffffff8104f3f9>]
local_apic_timer_interrupt+0x39/0x60
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962330]  [<ffffffff817d2d75>]
smp_apic_timer_interrupt+0x45/0x60
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962330]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962332]  [<ffffffff817d0e3e>]
apic_timer_interrupt+0x6e/0x80
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962332]  <EOI>  [<ffffffff810fa58d>] ?
smp_call_function_single+0xcd/0x120
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962334]  [<ffffffff810fa579>] ?
smp_call_function_single+0xb9/0x120
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962335]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962336]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962337]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962338]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962339]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962340]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962341]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962342]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962343] Task dump for CPU 5:
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962343] swapper/5       R  running task
       0     0      1 0x00000008
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962345]  ffff880215267e48
0000000000000018 ffffffff81664218 00000013a1719018
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962346]  000001f930babff8
ffffffff81ca9c60 0000000000000000 ffff880215267e88
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962347]  ffffffff81d2b080
ffff88021ed5f000 ffffffff81ca9c60 ffff880215264000
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962348] Call Trace:
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962349]  [<ffffffff81664218>] ?
cpuidle_enter_state+0x78/0x1f0
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962350]  [<ffffffff816643c7>] ?
cpuidle_enter+0x17/0x20
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962352]  [<ffffffff810bcbec>] ?
cpu_startup_entry+0x34c/0x3e0
Jul 21 10:13:16 dioo-XPS kernel: [ 2288.962353]  [<ffffffff8104d5c2>] ?
start_secondary+0x182/0x1b0
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272772] NMI watchdog: BUG: soft lockup
- CPU#3 stuck for 23s! [sh:4811]
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272773] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272818] CPU: 3 PID: 4811 Comm: sh
Tainted: G        W   EL  4.1.0-custom #1
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272819] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272820] task: ffff8800c785a840 ti:
ffff8800d85fc000 task.ti: ffff8800d85fc000
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272820] RIP: 0010:[<ffffffff810fa58a>] 
[<ffffffff810fa58a>] smp_call_function_single+0xca/0x120
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272823] RSP: 0018:ffff8800d85ffce8 
EFLAGS: 00000202
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272823] RAX: 0000000000000000 RBX:
0000000000000005 RCX: 0000000000000006
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272824] RDX: 0000000000000001 RSI:
0000000000000100 RDI: 0000000000000296
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272825] RBP: ffff8800d85ffd28 R08:
0000000000000003 R09: 0000000000000000
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272825] R10: 0000000000000004 R11:
0000000000000000 R12: 0000000000000003
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272826] R13: 0000010000000003 R14:
000000000000e280 R15: 000000fbd85ffc88
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272827] FS:  00002b3208196b80(0000)
GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272827] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272828] CR2: 000055934bd6d6c8 CR3:
00000000b6d5a000 CR4: 00000000001407e0
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272829] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272829] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272830] Stack:
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272830]  00007ffe243a6fff
ffff8802124e6d50 0000000000000000 ffffffff8106da80
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272832]  ffff8800d85ffd90
0000000000000003 0000000000000003 ffff8802126b4a10
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272833]  ffff8800d85ffd78
ffffffff810fa98d 0000000000000003 01007ffe00000001
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272834] Call Trace:
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272835]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272836]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272837]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272838]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272839]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272841]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272842]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272843]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:13:42 dioo-XPS kernel: [ 2315.272844] Code: 41 5c 5d c3 0f 1f 44 00
00 48 8d 75 d0 48 89 d1 89 df 4c 89 e2 e8 67 fe ff ff 8b 55 e8 83 e2 01 74 d9
0f 1f 80 00 00 00 00 f3 90 <8b> 55 e8 83 e2 01 75 f6 eb c6 0f 1f 40 00 8b 05 7a
e7 de 00 85 
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262648] NMI watchdog: BUG: soft lockup
- CPU#3 stuck for 23s! [sh:4811]
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262649] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262693] CPU: 3 PID: 4811 Comm: sh
Tainted: G        W   EL  4.1.0-custom #1
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262693] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262694] task: ffff8800c785a840 ti:
ffff8800d85fc000 task.ti: ffff8800d85fc000
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262695] RIP: 0010:[<ffffffff810fa58d>] 
[<ffffffff810fa58d>] smp_call_function_single+0xcd/0x120
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262697] RSP: 0018:ffff8800d85ffce8 
EFLAGS: 00000202
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262698] RAX: 0000000000000000 RBX:
0000000000000005 RCX: 0000000000000006
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262698] RDX: 0000000000000003 RSI:
0000000000000100 RDI: 0000000000000296
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262699] RBP: ffff8800d85ffd28 R08:
0000000000000003 R09: 0000000000000000
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262699] R10: 0000000000000004 R11:
0000000000000000 R12: 0000000000000003
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262700] R13: 0000010000000003 R14:
000000000000e280 R15: 000000fbd85ffc88
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262701] FS:  00002b3208196b80(0000)
GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262701] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262702] CR2: 000055934bd6d6c8 CR3:
00000000b6d5a000 CR4: 00000000001407e0
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262703] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262703] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262704] Stack:
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262704]  00007ffe243a6fff
ffff8802124e6d50 0000000000000000 ffffffff8106da80
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262705]  ffff8800d85ffd90
0000000000000003 0000000000000003 ffff8802126b4a10
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262707]  ffff8800d85ffd78
ffffffff810fa98d 0000000000000003 01007ffe00000001
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262708] Call Trace:
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262709]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262710]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262711]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262712]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262713]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262714]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262715]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262717]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:14:10 dioo-XPS kernel: [ 2343.262718] Code: c3 0f 1f 44 00 00 48 8d
75 d0 48 89 d1 89 df 4c 89 e2 e8 67 fe ff ff 8b 55 e8 83 e2 01 74 d9 0f 1f 80
00 00 00 00 f3 90 8b 55 e8 <83> e2 01 75 f6 eb c6 0f 1f 40 00 8b 05 7a e7 de 00
85 c0 75 80 
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252523] NMI watchdog: BUG: soft lockup
- CPU#3 stuck for 22s! [sh:4811]
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252525] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252573] CPU: 3 PID: 4811 Comm: sh
Tainted: G        W   EL  4.1.0-custom #1
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252573] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252574] task: ffff8800c785a840 ti:
ffff8800d85fc000 task.ti: ffff8800d85fc000
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252575] RIP: 0010:[<ffffffff810fa58a>] 
[<ffffffff810fa58a>] smp_call_function_single+0xca/0x120
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252578] RSP: 0018:ffff8800d85ffce8 
EFLAGS: 00000202
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252579] RAX: 0000000000000000 RBX:
0000000000000005 RCX: 0000000000000006
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252579] RDX: 0000000000000001 RSI:
0000000000000100 RDI: 0000000000000296
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252580] RBP: ffff8800d85ffd28 R08:
0000000000000003 R09: 0000000000000000
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252580] R10: 0000000000000004 R11:
0000000000000000 R12: 0000000000000003
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252581] R13: 0000010000000003 R14:
000000000000e280 R15: 000000fbd85ffc88
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252582] FS:  00002b3208196b80(0000)
GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252582] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252583] CR2: 000055934bd6d6c8 CR3:
00000000b6d5a000 CR4: 00000000001407e0
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252584] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252584] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252585] Stack:
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252585]  00007ffe243a6fff
ffff8802124e6d50 0000000000000000 ffffffff8106da80
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252586]  ffff8800d85ffd90
0000000000000003 0000000000000003 ffff8802126b4a10
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252588]  ffff8800d85ffd78
ffffffff810fa98d 0000000000000003 01007ffe00000001
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252589] Call Trace:
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252590]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252591]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252592]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252593]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252595]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252596]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252597]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252599]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:14:38 dioo-XPS kernel: [ 2371.252600] Code: 41 5c 5d c3 0f 1f 44 00
00 48 8d 75 d0 48 89 d1 89 df 4c 89 e2 e8 67 fe ff ff 8b 55 e8 83 e2 01 74 d9
0f 1f 80 00 00 00 00 f3 90 <8b> 55 e8 83 e2 01 75 f6 eb c6 0f 1f 40 00 8b 05 7a
e7 de 00 85 
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242399] NMI watchdog: BUG: soft lockup
- CPU#3 stuck for 22s! [sh:4811]
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242400] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242446] CPU: 3 PID: 4811 Comm: sh
Tainted: G        W   EL  4.1.0-custom #1
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242447] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242447] task: ffff8800c785a840 ti:
ffff8800d85fc000 task.ti: ffff8800d85fc000
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242448] RIP: 0010:[<ffffffff810fa58a>] 
[<ffffffff810fa58a>] smp_call_function_single+0xca/0x120
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242450] RSP: 0018:ffff8800d85ffce8 
EFLAGS: 00000202
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242451] RAX: 0000000000000000 RBX:
0000000000000005 RCX: 0000000000000006
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242451] RDX: 0000000000000001 RSI:
0000000000000100 RDI: 0000000000000296
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242452] RBP: ffff8800d85ffd28 R08:
0000000000000003 R09: 0000000000000000
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242453] R10: 0000000000000004 R11:
0000000000000000 R12: 0000000000000003
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242453] R13: 0000010000000003 R14:
000000000000e280 R15: 000000fbd85ffc88
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242454] FS:  00002b3208196b80(0000)
GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242455] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242455] CR2: 000055934bd6d6c8 CR3:
00000000b6d5a000 CR4: 00000000001407e0
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242456] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242457] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242457] Stack:
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242458]  00007ffe243a6fff
ffff8802124e6d50 0000000000000000 ffffffff8106da80
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242459]  ffff8800d85ffd90
0000000000000003 0000000000000003 ffff8802126b4a10
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242460]  ffff8800d85ffd78
ffffffff810fa98d 0000000000000003 01007ffe00000001
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242461] Call Trace:
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242462]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242463]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242465]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242465]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242467]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242468]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242469]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242471]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.242472] Code: 41 5c 5d c3 0f 1f 44 00
00 48 8d 75 d0 48 89 d1 89 df 4c 89 e2 e8 67 fe ff ff 8b 55 e8 83 e2 01 74 d9
0f 1f 80 00 00 00 00 f3 90 <8b> 55 e8 83 e2 01 75 f6 eb c6 0f 1f 40 00 8b 05 7a
e7 de 00 85 
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302430] INFO: task Xorg:2419 blocked
for more than 120 seconds.
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302432]       Tainted: G        W   EL 
4.1.0-custom #1
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302433] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302434] Xorg            D
ffff880213883cd8     0  2419   2418 0x00400004
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302445]  ffff880213883cd8
ffff880215250000 ffff880213815a90 ffff880213883d50
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302446]  ffff880213884000
7fffffffffffffff ffff880213883e28 ffff880213815a90
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302447]  ffff880215c37300
ffff880213883cf8 ffffffff817cc037 ffff880200000000
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302448] Call Trace:
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302453]  [<ffffffff817cc037>]
schedule+0x37/0x90
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302454]  [<ffffffff817cee2c>]
schedule_timeout+0x20c/0x280
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302457]  [<ffffffff811af62b>] ?
do_wp_page+0x1cb/0x4c0
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302459]  [<ffffffff817cca64>]
wait_for_completion+0xa4/0x170
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302461]  [<ffffffff810a6a80>] ?
wake_up_state+0x20/0x20
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302464]  [<ffffffff810de000>] ?
__call_rcu+0x350/0x350
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302465]  [<ffffffff810dafbd>]
wait_rcu_gp+0x4d/0x60
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302466]  [<ffffffff810daf50>] ?
ftrace_raw_output_rcu_utilization+0x70/0x70
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302468]  [<ffffffff810ddad5>]
synchronize_sched+0x45/0x60
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302470]  [<ffffffff81619898>]
evdev_release+0x78/0x110
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302472]  [<ffffffff811f9cb4>]
__fput+0xe4/0x220
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302473]  [<ffffffff811f9e3e>]
____fput+0xe/0x10
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302476]  [<ffffffff81097447>]
task_work_run+0xb7/0xf0
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302479]  [<ffffffff81014f8d>]
do_notify_resume+0x8d/0xa0
Jul 21 10:15:06 dioo-XPS kernel: [ 2399.302481]  [<ffffffff817d0184>]
int_signal+0x12/0x17
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232275] NMI watchdog: BUG: soft lockup
- CPU#3 stuck for 22s! [sh:4811]
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232276] Modules linked in:
ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E)
nf_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E)
nf_conntrack(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E)
iptable_mangle(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) ip6table_filter(E)
ip6_tables(E) iptable_filter(E) ip_tables(E) ebtable_nat(E) ebtables(E)
x_tables(E) arc4(E) md4(E) nls_utf8(E) cifs(E) fscache(E) bnep(E) rfcomm(E)
binfmt_misc(E) snd_hda_codec_hdmi(E) dcdbas(E) intel_rapl(E) iosf_mbi(E)
x86_pkg_temp_thermal(E) intel_powerclamp(E) dm_multipath(E) coretemp(E)
scsi_dh(E) kvm_intel(E) snd_hda_codec_realtek(E) nouveau(E)
snd_hda_codec_generic(E) btusb(E) kvm(E) btbcm(E) btintel(E) bluetooth(E)
pl2303(E) crct10dif_pclmul(E) crc32_pclmul(E) usbserial(E)
ghash_clmulni_intel(E) snd_hda_intel(E) joydev(E) mxm_wmi(E) aesni_intel(E)
snd_hda_controller(E) wmi(E) aes_x86_64(E) lrw(E) snd_hda_codec(E)
snd_seq_midi(E) gf128mul(E) snd_hda_core(E) glue_helper(E) ablk_helper(E)
ttm(E) snd_hwdep(E) cryptd(E) drm_kms_helper(E) snd_seq_midi_event(E) drm(E)
snd_rawmidi(E) serio_raw(E) i2c_algo_bit(E) snd_seq(E) bcma(E) snd_pcm(E)
snd_seq_device(E) snd_timer(E) lpc_ich(E) snd(E) mei_me(E) soundcore(E) mei(E)
shpchp(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E)
hid_generic(E) psmouse(E) ahci(E) uas(E) r8169(E) libahci(E) mii(E)
usb_storage(E) usbhid(E) hid(E)
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232322] CPU: 3 PID: 4811 Comm: sh
Tainted: G        W   EL  4.1.0-custom #1
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232323] Hardware name: Dell Inc. XPS
8700/0KWVT8, BIOS A09 11/22/2014
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232324] task: ffff8800c785a840 ti:
ffff8800d85fc000 task.ti: ffff8800d85fc000
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232324] RIP: 0010:[<ffffffff810fa58d>] 
[<ffffffff810fa58d>] smp_call_function_single+0xcd/0x120
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232327] RSP: 0018:ffff8800d85ffce8 
EFLAGS: 00000202
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232327] RAX: 0000000000000000 RBX:
0000000000000005 RCX: 0000000000000006
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232328] RDX: 0000000000000003 RSI:
0000000000000100 RDI: 0000000000000296
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232328] RBP: ffff8800d85ffd28 R08:
0000000000000003 R09: 0000000000000000
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232329] R10: 0000000000000004 R11:
0000000000000000 R12: 0000000000000003
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232330] R13: 0000010000000003 R14:
000000000000e280 R15: 000000fbd85ffc88
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232331] FS:  00002b3208196b80(0000)
GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232331] CS:  0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232332] CR2: 000055934bd6d6c8 CR3:
00000000b6d5a000 CR4: 00000000001407e0
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232332] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232333] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232333] Stack:
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232334]  00007ffe243a6fff
ffff8802124e6d50 0000000000000000 ffffffff8106da80
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232335]  ffff8800d85ffd90
0000000000000003 0000000000000003 ffff8802126b4a10
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232336]  ffff8800d85ffd78
ffffffff810fa98d 0000000000000003 01007ffe00000001
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232337] Call Trace:
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232339]  [<ffffffff8106da80>] ?
do_flush_tlb_all+0x50/0x50
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232340]  [<ffffffff810fa98d>]
smp_call_function_many+0x23d/0x280
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232341]  [<ffffffff8106dc2e>]
native_flush_tlb_others+0x2e/0x30
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232342]  [<ffffffff8106dd54>]
flush_tlb_mm_range+0x64/0x170
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232343]  [<ffffffff81078642>]
copy_process.part.25+0x13c2/0x1aa0
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232345]  [<ffffffff81078ed5>]
do_fork+0xd5/0x340
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232346]  [<ffffffff810791c6>]
SyS_clone+0x16/0x20
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232347]  [<ffffffff817cffb2>]
system_call_fastpath+0x16/0x75
Jul 21 10:15:34 dioo-XPS kernel: [ 2427.232348] Code: c3 0f 1f 44 00 00 48 8d
75 d0 48 89 d1 89 df 4c 89 e2 e8 67 fe ff ff 8b 55 e8 83 e2 01 74 d9 0f 1f 80
00 00 00 00 f3 90 8b 55 e8 <83> e2 01 75 f6 eb c6 0f 1f 40 00 8b 05 7a e7 de 00
85 c0 75 80 
Jul 21 10:16:42 dioo-XPS kernel: [    0.000000] Initializing cgroup subsys
cpuset

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #1 from Olivier Diotte <vhann3000+freedesktop-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
This happens on 4.1.0 (where I saw the previous dump) and v4.0.0 (where I have
nothing in the logs).

I did not use Ctrl+Alt+Delete nor the magic keys on v4.0.0, so maybe those key
combinations are what generate the crash messages?

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #2 from Olivier Diotte <vhann3000+freedesktop-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Looks similar to https://bugs.freedesktop.org/show_bug.cgi?id=91355 to my
outsider's eye.

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #3 from Olivier Diotte <vhann3000+freedesktop-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
This doesn't happen on 3.13.0

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

Jim Paris <jim-XrPbb/hENzg@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jim-XrPbb/hENzg@public.gmane.org

--- Comment #4 from Jim Paris <jim-XrPbb/hENzg@public.gmane.org> ---
I have the exact same system (slightly older BIOS version) and I'm seeing the
same lockup, which occurred while idling over the weekend.  Seems to be
stemming from nvkm_fantog_update.

This is 4.2-rc6.  I also saw lockups on 4.1.0 which I'm guessing were the same
cause, but I wasn't able to get any logs from those.  3.13 was working fine.

[176041.174195] ------------[ cut here ]------------
[176041.174202] WARNING: CPU: 0 PID: 0 at
/build/linux-Tql0Dq/linux-4.2~rc6/kernel/watchdog.c:311
watchdog_overflow_callback+0x84/0xb0()
[176041.174203] Watchdog detected hard LOCKUP on cpu 0
[176041.174203] Modules linked in: ipt_MASQUERADE nf_nat_masquerade_ipv4
xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp iptable_filter nf_nat_h323
nf_conntrack_h323 nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp
nf_conntrack_proto_gre nf_nat_tftp nf_conntrack_tftp nf_nat_sip
nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack
ip_tables x_tables loop sdhci_pci sdhci mmc_core ctr ccm binfmt_misc nfsd
auth_rpcgss oid_registry nfs_acl nfs lockd grace fscache sunrpc joydev
hid_generic usbhid hid uas usb_storage ath3k btusb btrtl btbcm btintel
bluetooth x86_pkg_temp_thermal intel_powerclamp intel_rapl iosf_mbi coretemp
kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel sha256_ssse3
sha256_generic hmac drbg ansi_cprng snd_hda_codec_hdmi snd_hda_codec_realtek
aesni_intel nouveau mxm_wmi snd_hda_codec_generic arc4 wmi ttm drm_kms_helper
drm aes_x86_64 lrw snd_hda_intel gf128mul snd_hda_codec glue_helper
snd_hda_core ablk_helper snd_hwdep ath9k ath9k_common ath9k_hw cryptd iTCO_wdt
iTCO_vendor_support snd_pcm xhci_pci evdev dcdbas psmouse serio_raw pcspkr
i2c_algo_bit ath mac80211 cfg80211 snd_timer xhci_hcd snd rfkill soundcore
video battery i2c_i801 lpc_ich mfd_core mei_me mei shpchp processor button
efi_pstore efivars fuse parport_pc ppdev lp parport autofs4 ext4 crc16 mbcache
jbd2 sg sr_mod cdrom sd_mod r8169 mii ahci crc32c_intel libahci libata ehci_pci
ehci_hcd scsi_mod usbcore usb_common fan thermal thermal_sys
[176041.174257] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.2.0-rc6-amd64 #1
Debian 4.2~rc6-1~exp1
[176041.174258] Hardware name: Dell Inc. XPS 8700/0KWVT8, BIOS A08 04/16/2014
[176041.174259]  0000000000000000 ffffffff81729448 ffffffff81546a1d
ffff88021ec05b60
[176041.174260]  ffffffff8106e571 ffff880214e09000 0000000000000000
ffff88021ec05c40
[176041.174262]  ffff88021ec05ef8 0000000000000000 ffffffff8106e5ea
ffffffff81729420
[176041.174263] Call Trace:
[176041.174264]  <NMI>  [<ffffffff81546a1d>] ? dump_stack+0x40/0x50
[176041.174270]  [<ffffffff8106e571>] ? warn_slowpath_common+0x81/0xb0
[176041.174272]  [<ffffffff8106e5ea>] ? warn_slowpath_fmt+0x4a/0x50
[176041.174273]  [<ffffffff811080c4>] ? watchdog_overflow_callback+0x84/0xb0
[176041.174276]  [<ffffffff811427d2>] ? __perf_event_overflow+0x82/0x1b0
[176041.174278]  [<ffffffff81030e24>] ? intel_pmu_handle_irq+0x1d4/0x440
[176041.174281]  [<ffffffff81027fa5>] ? perf_event_nmi_handler+0x25/0x40
[176041.174283]  [<ffffffff8101c804>] ? native_sched_clock+0x24/0x80
[176041.174284]  [<ffffffff810176d2>] ? nmi_handle+0x82/0x110
[176041.174285]  [<ffffffff81017c42>] ? default_do_nmi+0xc2/0x110
[176041.174286]  [<ffffffff81017d6b>] ? do_nmi+0xdb/0x130
[176041.174289]  [<ffffffff8154e414>] ? end_repeat_nmi+0x1a/0x1e
[176041.174290]  [<ffffffff810aedf5>] ?
native_queued_spin_lock_slowpath+0x165/0x180
[176041.174292]  [<ffffffff810aedf5>] ?
native_queued_spin_lock_slowpath+0x165/0x180
[176041.174293]  [<ffffffff810aedf5>] ?
native_queued_spin_lock_slowpath+0x165/0x180
[176041.174293]  <<EOE>>  <IRQ>  [<ffffffff8154bf12>] ?
_raw_spin_lock_irqsave+0x32/0x40
[176041.174306]  [<ffffffffa060742c>] ? nvkm_fantog_update+0x4c/0x110 [nouveau]
[176041.174313]  [<ffffffffa0607542>] ? nvkm_fantog_set+0x32/0x40 [nouveau]
[176041.174320]  [<ffffffffa0606a89>] ? nvkm_fan_update+0xe9/0x1e0 [nouveau]
[176041.174327]  [<ffffffffa060992c>] ? nv04_timer_alarm_trigger+0x10c/0x150
[nouveau]
[176041.174333]  [<ffffffffa06074ee>] ? nvkm_fantog_update+0x10e/0x110
[nouveau]
[176041.174339]  [<ffffffffa060992c>] ? nv04_timer_alarm_trigger+0x10c/0x150
[nouveau]
[176041.174344]  [<ffffffffa0609a8a>] ? nv04_timer_intr+0x6a/0x90 [nouveau]
[176041.174351]  [<ffffffffa0600e2d>] ? nvkm_mc_intr+0xed/0x160 [nouveau]
[176041.174353]  [<ffffffff810bd7eb>] ? handle_irq_event_percpu+0x6b/0x180
[176041.174354]  [<ffffffff810bd940>] ? handle_irq_event+0x40/0x60
[176041.174356]  [<ffffffff810c092b>] ? handle_edge_irq+0x7b/0x140
[176041.174357]  [<ffffffff81015eed>] ? handle_irq+0x1d/0x30
[176041.174359]  [<ffffffff8154ecf6>] ? do_IRQ+0x46/0xd0
[176041.174361]  [<ffffffff8154ccab>] ? common_interrupt+0x6b/0x6b
[176041.174361]  <EOI>  [<ffffffff81424278>] ? cpuidle_enter_state+0xe8/0x220
[176041.174365]  [<ffffffff81424253>] ? cpuidle_enter_state+0xc3/0x220
[176041.174367]  [<ffffffff810aa0f6>] ? cpu_startup_entry+0x256/0x310
[176041.174368]  [<ffffffff8192af5e>] ? start_kernel+0x480/0x48b
[176041.174370]  [<ffffffff8192a120>] ? early_idt_handler_array+0x120/0x120
[176041.174371]  [<ffffffff8192a120>] ? early_idt_handler_array+0x120/0x120
[176041.174373]  [<ffffffff8192a605>] ? x86_64_start_kernel+0x148/0x157
[176041.174374] ---[ end trace 0ed75ece92f6e55f ]---

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #5 from Jim Paris <jim-XrPbb/hENzg@public.gmane.org> ---
Comment 8 here: https://bugzilla.redhat.com/show_bug.cgi?id=1183087#c8
has another backtrace on 4.0.4 that appears to be the same.

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #6 from Jim Paris <jim-XrPbb/hENzg@public.gmane.org> ---
This post from 임성택 also describes the problem and provides a workaround patch:
  http://lists.freedesktop.org/archives/nouveau/2015-March/020421.html

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #7 from joshchia-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org ---
On kernel 4.2.6, I got a similar crash. The CPU locked up. The machine was
doing some heavy computation on many processors. After removing the nouveau
module, the problem went away.

Dec 06 18:51:50 bullseye kernel: WARNING: CPU: 0 PID: 19974 at
kernel/watchdog.c:338 watchdog_overflow_callback+0x79/0xa0()
Dec 06 18:51:50 bullseye kernel: Watchdog detected hard LOCKUP on cpu 0
Dec 06 18:51:50 bullseye kernel: Modules linked in:
Dec 06 18:51:50 bullseye kernel:  ip6t_rpfilter ip6t_REJECT nf_reject_ipv6
xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables
ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle
ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat
nf_conntrack_ipv4
Dec 06 18:51:50 bullseye kernel:  crc32_pclmul crc32c_intel drm serio_raw uas
usb_storage hpsa ata_generic pata_acpi wmi
Dec 06 18:51:50 bullseye kernel: CPU: 0 PID: 19974 Comm: redacted Not tainted
4.2.6-201.fc22.x86_64 #1
Dec 06 18:51:50 bullseye kernel: Hardware name: HP ProLiant DL360p Gen8, BIOS
P71 07/01/2015
Dec 06 18:51:50 bullseye kernel:  0000000000000000 000000009a975639
ffff880fff605aa0 ffffffff817729ea
Dec 06 18:51:50 bullseye kernel:  0000000000000000 ffff880fff605af8
ffff880fff605ae0 ffffffff8109e4b6
Dec 06 18:51:50 bullseye kernel:  0000000000000000 ffff881ff92ae000
0000000000000000 ffff880fff605c00
Dec 06 18:51:50 bullseye kernel: Call Trace:
Dec 06 18:51:50 bullseye kernel:  <NMI>  [<ffffffff817729ea>]
dump_stack+0x45/0x57
Dec 06 18:51:50 bullseye kernel:  [<ffffffff8109e4b6>]
warn_slowpath_common+0x86/0xc0
Dec 06 18:51:50 bullseye kernel:  [<ffffffff8109e545>]
warn_slowpath_fmt+0x55/0x70
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81153029>]
watchdog_overflow_callback+0x79/0xa0
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81197f50>]
__perf_event_overflow+0x90/0x1c0
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81198b54>]
perf_event_overflow+0x14/0x20
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81033af7>]
intel_pmu_handle_irq+0x1e7/0x470
Dec 06 18:51:50 bullseye kernel:  [<ffffffff8102a3e6>]
perf_event_nmi_handler+0x26/0x40
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810188b3>] nmi_handle+0x83/0x120
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81018df2>] default_do_nmi+0x42/0xf0
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81018f8a>] do_nmi+0xea/0x140
Dec 06 18:51:50 bullseye kernel:  [<ffffffff8177b701>] end_repeat_nmi+0x1a/0x1e
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810e677c>] ?
queued_spin_lock_slowpath+0x15c/0x170
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810e677c>] ?
queued_spin_lock_slowpath+0x15c/0x170
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810e677c>] ?
queued_spin_lock_slowpath+0x15c/0x170
Dec 06 18:51:50 bullseye kernel:  <<EOE>>  <IRQ>  [<ffffffff817791df>]
_raw_spin_lock_irqsave+0x3f/0x50
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa0218cbe>]
nvkm_fantog_update+0x4e/0x120 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa0218de5>]
nvkm_fantog_set+0x35/0x40 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa02182cc>]
nvkm_fan_update+0xec/0x1e0 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa02183f9>]
nvkm_therm_fan_set+0x19/0x20 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa0217bfc>]
nvkm_therm_update+0x11c/0x2d0 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa0217dca>]
nvkm_therm_alarm+0x1a/0x20 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa021b472>]
nv04_timer_alarm_trigger+0x122/0x170 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa021b521>]
nv04_timer_alarm+0x61/0xc0 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa0218d82>]
nvkm_fantog_update+0x112/0x120 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa0218daa>]
nvkm_fantog_alarm+0x1a/0x20 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa021b472>]
nv04_timer_alarm_trigger+0x122/0x170 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa021b5e2>]
nv04_timer_intr+0x62/0x80 [nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffffa021211b>] nvkm_mc_intr+0xfb/0x170
[nouveau]
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810f5ff4>]
handle_irq_event_percpu+0x74/0x180
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810f6130>]
handle_irq_event+0x30/0x60
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810f944f>]
handle_edge_irq+0x6f/0x130
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81016e62>] handle_irq+0x72/0x120
Dec 06 18:51:50 bullseye kernel:  [<ffffffff8177c01f>] do_IRQ+0x4f/0xe0
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81779f2b>]
common_interrupt+0x6b/0x6b
Dec 06 18:51:50 bullseye kernel:  <EOI>
Dec 06 18:51:50 bullseye kernel: ---[ end trace c72347df4d25d0c7 ]---
Dec 06 18:51:50 bullseye kernel: INFO: rcu_sched detected stalls on CPUs/tasks:
{ 0} (detected by 17, t=60002 jiffies, g=184581, c=184580, q=0)
Dec 06 18:51:50 bullseye kernel: Task dump for CPU 0:
Dec 06 18:51:50 bullseye kernel: redacted        R  running task        0 19974
  3145 0x00000008
Dec 06 18:51:50 bullseye kernel:  ffff8819589e7b98 ffff881ff7e69800
ffffffffffffff74 0000000000000028
Dec 06 18:51:50 bullseye kernel:  0000000000000000 0000000000000020
ffff8819589e7b98 ffffffff8164869c
Dec 06 18:51:50 bullseye kernel:  0000000000000000 ffff881ff7e69800
ffff8819589e7bc8 ffffffff816c1c80
Dec 06 18:51:50 bullseye kernel: Call Trace:
Dec 06 18:51:50 bullseye kernel:  [<ffffffff8164869c>] ?
sk_reset_timer+0x1c/0x30
Dec 06 18:51:50 bullseye kernel:  [<ffffffff816c1c80>]
tcp_send_delayed_ack+0x100/0x130
Dec 06 18:51:50 bullseye kernel:  [<ffffffff816b36cd>]
__tcp_ack_snd_check+0x6d/0x90
Dec 06 18:51:50 bullseye kernel:  [<ffffffff816bb4fc>]
tcp_rcv_established+0x4cc/0x780
Dec 06 18:51:50 bullseye kernel:  [<ffffffff813aeac9>] ?
copy_to_iter+0x79/0x260
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81778f2a>] ?
_raw_write_unlock_bh+0x1a/0x20
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81778f3e>] ?
_raw_spin_unlock_bh+0xe/0x10
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81648f66>] ?
release_sock+0x106/0x150
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810d28af>] ?
numa_migrate_preferred+0x2f/0x90
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810d686d>] ?
task_numa_fault+0x7bd/0xae0
Dec 06 18:51:50 bullseye kernel:  [<ffffffff811d5f81>] ?
handle_mm_fault+0xb81/0x17d0
Dec 06 18:51:50 bullseye kernel:  [<ffffffff816447cb>] ? sock_recvmsg+0x3b/0x50
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81644a16>] ?
SYSC_recvfrom+0xd6/0x150
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81065454>] ?
__do_page_fault+0x1b4/0x400
Dec 06 18:51:50 bullseye kernel:  [<ffffffff81774d11>] ? __schedule+0x371/0x950
Dec 06 18:51:50 bullseye kernel:  [<ffffffff810656cf>] ?
do_page_fault+0x2f/0x80
Dec 06 18:51:50 bullseye kernel:  [<ffffffff8177b378>] ? page_fault+0x28/0x30

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #8 from joshchia-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org ---
Is this actually an old bug or a resurrected bug? Someone had a similar
backtrace dating back to 2013:

https://bbs.archlinux.org/viewtopic.php?id=164714

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org

--- Comment #9 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
And now I'm getting the same issue after adding a GK208B and a (fanless) NV34
to my system. khugepaged gets stuck like so:

[83695.847012] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s!
[khugepaged:59]
[83695.847015] Modules linked in: rtl8xxxu mac80211 cfg80211 it87 hwmon_vid
nouveau uas usb_storage fbcon video bitblit softcursor font i2c_algo_bit ttm
drm_kms_helper cfbfillrect syscopyarea cfbimgblt sysfillrect sysimgblt
fb_sys_fops cfbcopyarea drm backlight fb fbdev mxm_wmi wmi
[83695.847032] CPU: 0 PID: 59 Comm: khugepaged Tainted: G          I  L  4.6.0+
#2
[83695.847033] Hardware name: Gigabyte Technology Co., Ltd.
EX58-UD3R/EX58-UD3R, BIOS FB  05/04/2009
[83695.847035] task: ffff8801d822b000 ti: ffff8801d8314000 task.ti:
ffff8801d8314000
[83695.847036] RIP: 0010:[<ffffffff810e9fef>]  [<ffffffff810e9fef>]
smp_call_function_many+0x1de/0x1f1
[83695.847042] RSP: 0018:ffff8801d8317be0  EFLAGS: 00000202
[83695.847044] RAX: 0000000000000005 RBX: ffff8801dfc169c8 RCX:
0000000000000005
[83695.847045] RDX: ffff8801dfd59328 RSI: 0000000000000008 RDI:
ffff8801dfc169c8
[83695.847046] RBP: ffff8801d8317c20 R08: 0000000000000005 R09:
0000000000000000
[83695.847047] R10: 000000000000175d R11: 0000000000000009 R12:
ffff8801dfc169c0
[83695.847049] R13: 0000000000016980 R14: 0000000000000001 R15:
0000000000000008
[83695.847050] FS:  0000000000000000(0000) GS:ffff8801dfc00000(0000)
knlGS:0000000000000000
[83695.847051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[83695.847053] CR2: 00007f2c7ed83000 CR3: 0000000001c07000 CR4:
00000000000006f0
[83695.847054] Stack:
[83695.847055]  0100000000000000 0000000000000000 ffffffff8114d0c8
0000000000000000
[83695.847057]  ffffffff8114d0c8 0000000000000000 ffffffff81f31bc8
0000000000000009
[83695.847059]  ffff8801d8317c50 ffffffff810ea0a5 0000000000000008
0000000000000000
[83695.847061] Call Trace:
[83695.847065]  [<ffffffff8114d0c8>] ? page_alloc_cpu_notify+0x41/0x41
[83695.847067]  [<ffffffff8114d0c8>] ? page_alloc_cpu_notify+0x41/0x41
[83695.847068]  [<ffffffff810ea0a5>] on_each_cpu_mask+0x28/0x48
[83695.847070]  [<ffffffff8114d5f2>] drain_all_pages+0x94/0xbb
[83695.847073]  [<ffffffff8114fa07>] __alloc_pages_nodemask+0x5f3/0x8b0
[83695.847075]  [<ffffffff81173b64>] ? __page_set_anon_rmap+0x31/0x7d
[83695.847079]  [<ffffffff8118a919>] __alloc_pages_node.isra.57+0x12/0x14
[83695.847081]  [<ffffffff8118ae09>] khugepaged+0xcc/0x10d1
[83695.847084]  [<ffffffff810bdebe>] ? finish_wait+0x62/0x62
[83695.847086]  [<ffffffff8118ad3d>] ? maybe_pmd_mkwrite+0x1a/0x1a
[83695.847089]  [<ffffffff810a8f93>] kthread+0xa5/0xad
[83695.847093]  [<ffffffff81766492>] ret_from_fork+0x22/0x40
[83695.847094]  [<ffffffff810a8eee>] ? init_completion+0x24/0x24
[83695.847095] Code: 74 2d 48 89 de 89 c7 e8 f8 f9 ff ff 3b 05 4e c1 c3 00 7d
1b 48 63 c8 49 8b 14 24 48 03 14 cd c0 4a d2 81 f6 42 18 01 74 04 f3 90 <eb> f6
eb d3 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 66 

But looking at all the active CPUs, there's always one with

[83696.530737] NMI backtrace for cpu 5
[83696.530737] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G          I  L  4.6.0+
#2
[83696.530739] Hardware name: Gigabyte Technology Co., Ltd.
EX58-UD3R/EX58-UD3R, BIOS FB  05/04/2009
[83696.530740] task: ffff8801d8a3b000 ti: ffff8801d8a50000 task.ti:
ffff8801d8a50000
[83696.530741] RIP: 0010:[<ffffffff810bff24>]  [<ffffffff810bff24>]
queued_spin_lock_slowpath+0x59/0x173
[83696.530742] RSP: 0018:ffff8801dfd43b98  EFLAGS: 00000002
[83696.530743] RAX: 0000000000000101 RBX: 0000000000000086 RCX:
0000000000000101
[83696.530744] RDX: 0000000000000100 RSI: 0000000000000001 RDI:
ffff8801d75ff108
[83696.530745] RBP: ffff8801dfd43b98 R08: 0000000000000001 R09:
ffff8801dfd43d53
[83696.530746] R10: ffff8801dfd43d27 R11: 0000000000000000 R12:
ffff8801d75ff108
[83696.530747] R13: ffff8801d6ede000 R14: ffff8801d75ff000 R15:
ffff8801d528d800
[83696.530748] FS:  0000000000000000(0000) GS:ffff8801dfd40000(0000)
knlGS:0000000000000000
[83696.530749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[83696.530750] CR2: 00000000004330c1 CR3: 0000000001c07000 CR4:
00000000000006e0
[83696.530751] Stack:
[83696.530752]  ffff8801dfd43bb0 ffffffff817661b4 0000000000000029
ffff8801dfd43c00
[83696.530753]  ffffffffc03489b7 0000000000000010 ffff8801d7707400
ffff8801d528d700
[83696.530754]  ffff8801d75ff000 0000000000000029 ffff8801d6ede000
0000000000000029
[83696.530755] Call Trace:
[83696.530756]  <IRQ> d [<ffffffff817661b4>] _raw_spin_lock_irqsave+0x23/0x29
[83696.530757]  [<ffffffffc03489b7>] nvkm_fantog_update+0x43/0x103 [nouveau]
[83696.530758]  [<ffffffffc0348ac9>] nvkm_fantog_set+0x38/0x3f [nouveau]
[83696.530759]  [<ffffffffc034818d>] nvkm_fan_update+0x12c/0x1a7 [nouveau]
[83696.530760]  [<ffffffffc0348255>] nvkm_therm_fan_set+0x19/0x1b [nouveau]
[83696.530761]  [<ffffffffc0347c5a>] nvkm_therm_update+0x223/0x230 [nouveau]
[83696.530762]  [<ffffffffc0347c7c>] nvkm_therm_alarm+0x15/0x17 [nouveau]
[83696.530763]  [<ffffffffc034a837>] nvkm_timer_alarm_trigger+0xde/0xf6
[nouveau]
[83696.530764]  [<ffffffffc034a943>] nvkm_timer_alarm+0xaa/0xb3 [nouveau]
[83696.530765]  [<ffffffffc0348a5c>] nvkm_fantog_update+0xe8/0x103 [nouveau]
[83696.530766]  [<ffffffffc0348a8f>] nvkm_fantog_alarm+0x18/0x1a [nouveau]
[83696.530767]  [<ffffffffc034a837>] nvkm_timer_alarm_trigger+0xde/0xf6
[nouveau]
[83696.530768]  [<ffffffffc034abb3>] nv04_timer_intr+0x39/0x9f [nouveau]
[83696.530769]  [<ffffffffc034a71f>] nvkm_timer_intr+0x14/0x16 [nouveau]
[83696.530770]  [<ffffffffc03115d8>] nvkm_subdev_intr+0x17/0x19 [nouveau]
[83696.530771]  [<ffffffffc033f5fb>] nvkm_mc_intr+0x81/0xd2 [nouveau]
[83696.530772]  [<ffffffffc0342efa>] nvkm_pci_intr+0x4a/0x5c [nouveau]
[83696.530773]  [<ffffffff810cbc26>] handle_irq_event_percpu+0x6c/0x196
[83696.530773]  [<ffffffff810cbd7b>] handle_irq_event+0x2b/0x4b
[83696.530774]  [<ffffffff810ce999>] handle_edge_irq+0xa6/0xc3
[83696.530775]  [<ffffffff8105841b>] handle_irq+0x109/0x111
[83696.530776]  [<ffffffff8176859b>] do_IRQ+0x4b/0xba
[83696.530777]  [<ffffffff81766bbf>] common_interrupt+0x7f/0x7f
[83696.530778]  <EOI> d [<ffffffff8157911f>] ? cpuidle_enter_state+0x103/0x15b
[83696.530779]  [<ffffffff815791a3>] cpuidle_enter+0x17/0x19
[83696.530780]  [<ffffffff810be61e>] cpu_startup_entry+0x192/0x1fd
[83696.530781]  [<ffffffff8106f2ff>] start_secondary+0xe0/0xe3
[83696.530782] Code: ff ff 75 33 83 fe 01 89 ca 89 f0 41 0f 45 d0 f0 0f b1 17
39 f0 74 04 89 c6 eb e1 ff ca 0f 84 20 01 00 00 8b 07 84 c0 74 04 f3 90 <eb> f6
66 c7 07 01 00 e9 0c 01 00 00 48 c7 c0 40 65 01 00 65 48 

Since it's in handle_irq, I assume that that takes some lock which basically
prevents the system from proceeding (except for NMIs). I can ssh into the
system, and even run some things (like these traces), but khugepaged is at
100%, and some other processes tend to hang. My VBIOS is to follow shortly.
Last I debugged this, I determined that this could happen if some time interval
we computed turned out to be 0, causing the timer to be executed from the
interrupt.

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[Bug 91413] INFO: task Xorg:2419 blocked for more than 120 seconds.

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #10 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Created attachment 124024
  --> https://bugs.freedesktop.org/attachment.cgi?id=124024&action=edit
GK208B VBIOS

I added this card recently. There's also a GT215 which has been in there for a
while (https://people.freedesktop.org/~imirkin/traces/nva3/nva3-gddr5.rom) and
a fanless NV34 (https://people.freedesktop.org/~imirkin/traces/nv34-pci.rom).

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[Bug 91413] fan alarm timer/update called from interrupt in an infinite loop

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|INFO: task Xorg:2419        |fan alarm timer/update
                   |blocked for more than 120   |called from interrupt in an
                   |seconds.                    |infinite loop

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[Bug 91413] fan alarm timer/update called from interrupt in an infinite loop

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #11 from Jim Paris <jim-XrPbb/hENzg@public.gmane.org> ---
FWIW, I've been running with the workaround patch in comment 6 for about 9
months now and haven't noticed any problems.  I hit the warning maybe 4 times a
day.

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[Bug 91413] fan alarm timer/update called from interrupt in an infinite loop

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #12 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
(In reply to Jim Paris from comment #11)
> FWIW, I've been running with the workaround patch in comment 6 for about 9
> months now and haven't noticed any problems.  I hit the warning maybe 4
> times a day.

Thanks, patched that in, I now get the warnings too but it survives. Martin,
please have a look at this - we shouldn't be allowing the fan update to be
called from interrupt context at all in the first place.

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[Bug 91413] fan alarm timer/update called from interrupt in an infinite loop

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #13 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
(In reply to Ilia Mirkin from comment #12)
> (In reply to Jim Paris from comment #11)
> > FWIW, I've been running with the workaround patch in comment 6 for about 9
> > months now and haven't noticed any problems.  I hit the warning maybe 4
> > times a day.
> 
> Thanks, patched that in, I now get the warnings too but it survives. Martin,
> please have a look at this - we shouldn't be allowing the fan update to be
> called from interrupt context at all in the first place.

I agree that we should not. The issue here is that core/ is not allowed to
depend on work items. At least, it was not supported before. Having a look
right now!

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[Bug 91413] fan alarm timer/update called from interrupt in an infinite loop

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #14 from David Hampton <bugzilla-1SViGS9jIagqcZcGjlUOXw@public.gmane.org> ---
Created attachment 128843
  --> https://bugs.freedesktop.org/attachment.cgi?id=128843&action=edit
Prevent recursion while processing timers

I was having similar problem with daily crashes showing recursive calls to
nvkm_timer_alarm_trigger. I've been stable for the last three weeks with the
attached patch. It prevents the recursion by only processing the list when the
timer expires, and not also processing it each time an item is updated.

This patch is based off the Fedora 25 kernel 4.8.14 sources but should apply
elsewhere.

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[Bug 91413] fan alarm timer/update called from interrupt in an infinite loop

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

--- Comment #15 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Ben took some time to debug what was going on, you can give

https://cgit.freedesktop.org/~airlied/linux/log/?h=drm-next

a shot. It contains the relevant commits. I haven't tested it myself yet
though. (Also, for some reason, this issue has started to trigger less often on
newer kernels for me.)

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[Bug 91413] fan alarm timer/update called from interrupt in an infinite loop

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https://bugs.freedesktop.org/show_bug.cgi?id=91413

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #16 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
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