From: "Noralf Trønnes" <noralf@tronnes.org>
To: kernel test robot <rong.a.chen@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
Jani Nikula <jani.nikula@linux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
Jani Nikula <jani.nikula@intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
lkp@01.org
Subject: Re: [drm/i915/fbdev] 09ded8af57: dmesg.RIP:drm_setup_crtcs[drm_kms_helper]
Date: Sun, 28 Apr 2019 17:40:28 +0200 [thread overview]
Message-ID: <cb4c5608-301b-5ac9-09d6-52a19909c8a9@tronnes.org> (raw)
In-Reply-To: <20190428095139.GA15857@shao2-debian>
Den 28.04.2019 11.51, skrev kernel test robot:
> FYI, we noticed the following commit (built with gcc-7):
>
> commit: 09ded8af57bcef7287b8242087d3e7556380de62 ("drm/i915/fbdev: Move intel_fb_initial_config() to fbdev helper")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> in testcase: plzip
> with following parameters:
>
> nr_threads: 100%
> cpufreq_governor: performance
> ucode: 0x12
>
>
>
> on test machine: 144 threads Intel(R) Xeon(R) CPU E7-8890 v3 @ 2.50GHz with 512G memory
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
> +-------------------------------------------------+------------+------------+
> | | e33898a207 | 09ded8af57 |
> +-------------------------------------------------+------------+------------+
> | boot_successes | 14 | 4 |
> | boot_failures | 3 | |
> | BUG:kernel_reboot-without-warning_in_test_stage | 3 | |
> | dmesg.RIP:drm_setup_crtcs[drm_kms_helper] | 0 | 4 |
> +-------------------------------------------------+------------+------------+
>
>
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <rong.a.chen@intel.com>
>
>
> [ 35.625371] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
> [ 35.634549] #PF error: [normal kernel read fault]
> [ 35.639800] PGD 0 P4D 0
> [ 35.639805] Oops: 0000 [#1] SMP PTI
> [ 35.646527] CPU: 53 PID: 1179 Comm: systemd-udevd Not tainted 5.1.0-rc2-01104-g09ded8a #1
> [ 35.655659] Hardware name: Intel Corporation BRICKLAND/BRICKLAND, BIOS BRHSXSD1.86B.0067.R02.1507221722 07/22/2015
> [ 35.667239] RIP: 0010:drm_setup_crtcs+0x3eb/0x1020 [drm_kms_helper]
> [ 35.674236] Code: 44 24 60 48 8b 04 24 4c 01 f0 80 38 00 0f 84 a3 07 00 00 41 8b 8d 1c 03 00 00 83 f9 01 0f 84 5f 09 00 00 49 8b 95 e0 03 00 00 <48> 83 7a 10 00 0f 84 e0 01 00 00 48 8b 52 08 48 85 d2 0f 84 d1 01
> [ 35.695199] RSP: 0000:ffffc9000f9938c0 EFLAGS: 00010297
> [ 35.701035] RAX: ffff88c083da2198 RBX: ffff88c083da2180 RCX: 0000000000000000
> [ 35.709000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88c083da21a1
> [ 35.716966] RBP: 0000000000000000 R08: ffff88e083ab7d48 R09: 0000000000000000
> [ 35.724934] R10: 0000000000000000 R11: ffff889fed53ec18 R12: 0000000000000001
> [ 35.732894] R13: ffff888103a92800 R14: 0000000000000000 R15: 0000000000000001
> [ 35.740863] FS: 00007fe6402648c0(0000) GS:ffff88dfff640000(0000) knlGS:0000000000000000
> [ 35.749898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 35.756312] CR2: 0000000000000010 CR3: 000000807c142003 CR4: 00000000001606e0
> [ 35.764278] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 35.772235] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 35.780201] Call Trace:
> [ 35.782946] __drm_fb_helper_initial_config_and_unlock+0x46/0x540 [drm_kms_helper]
> [ 35.791404] mgag200_fbdev_init+0xc6/0xe0 [mgag200]
> [ 35.796855] mgag200_modeset_init+0x150/0x1b0 [mgag200]
> [ 35.802694] mgag200_driver_load+0x359/0x4d0 [mgag200]
> [ 35.808470] drm_dev_register+0x11c/0x1b0 [drm]
> [ 35.813547] drm_get_pci_dev+0x9d/0x180 [drm]
> [ 35.814299] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [ 35.818417] local_pci_probe+0x42/0x90
> [ 35.818427] ? _cond_resched+0x19/0x30
> [ 35.827168] ata5.00: ATAPI: TEAC DV-W28S-W, 1.0A, max UDMA/100
> [ 35.829511] pci_device_probe+0x141/0x1b0
> [ 35.829521] really_probe+0xf8/0x3e0
> [ 35.835771] ata5.00: configured for UDMA/100
> [ 35.840505] driver_probe_device+0x10f/0x120
> [ 35.840511] device_driver_attach+0x50/0x60
> [ 35.847061] scsi 5:0:0:0: CD-ROM TEAC DV-W28S-W 1.0A PQ: 0 ANSI: 5
> [ 35.848979] __driver_attach+0x9a/0x140
> [ 35.848983] ? device_driver_attach+0x60/0x60
> [ 35.848987] bus_for_each_dev+0x76/0xc0
> [ 35.848996] ? klist_add_tail+0x3b/0x70
> [ 35.889929] bus_add_driver+0x141/0x210
> [ 35.894214] ? 0xffffffffc078d000
> [ 35.897914] driver_register+0x5b/0xe0
> [ 35.902093] ? 0xffffffffc078d000
> [ 35.905805] do_one_initcall+0x46/0x1e4
> [ 35.910089] ? _cond_resched+0x19/0x30
> [ 35.914279] ? kmem_cache_alloc_trace+0x3b/0x1d0
> [ 35.919439] do_init_module+0x5b/0x210
> [ 35.923630] load_module+0x1838/0x1f00
> [ 35.927822] ? ima_post_read_file+0xe2/0x120
> [ 35.932592] ? __do_sys_finit_module+0xe9/0x110
> [ 35.937650] __do_sys_finit_module+0xe9/0x110
> [ 35.942508] do_syscall_64+0x5b/0x1a0
> [ 35.946595] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [ 35.952226] RIP: 0033:0x7fe63f0e1229
> [ 35.956210] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 3f 4c 2b 00 f7 d8 64 89 01 48
> [ 35.977171] RSP: 002b:00007fff141d8258 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
> [ 35.985624] RAX: ffffffffffffffda RBX: 000055dca71ebe70 RCX: 00007fe63f0e1229
> [ 35.993580] RDX: 0000000000000000 RSI: 00007fe63f9fa265 RDI: 0000000000000015
> [ 36.001545] RBP: 00007fe63f9fa265 R08: 0000000000000000 R09: 00007fff141d87d0
> [ 36.009511] R10: 0000000000000015 R11: 0000000000000246 R12: 0000000000000000
> [ 36.017477] R13: 000055dca71ff2f0 R14: 0000000000020000 R15: 000055dca5594cbc
> [ 36.025436] Modules linked in: irqbypass mgag200(+) ttm snd_pcm crct10dif_pclmul crc32_pclmul crc32c_intel snd_timer ipmi_ssif ghash_clmulni_intel drm_kms_helper ahci snd syscopyarea aesni_intel sysfillrect sysimgblt crypto_simd fb_sys_fops libahci soundcore cryptd mpt3sas(+) glue_helper pcspkr drm joydev libata ipmi_si raid_class lpc_ich i2c_i801 scsi_transport_sas ipmi_devintf wmi ipmi_msghandler acpi_pad pcc_cpufreq ip_tables
> [ 36.067874] CR2: 0000000000000010
> [ 36.071721] ---[ end trace d29a594eb030ca5d ]---
>
mgag200 is a non-atomic driver and thus most likely fixed by commit
1de7259275ca ("drm/fb-helper: Fix drm_fb_helper_firmware_config() NULL
pointer deref").
Noralf.
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp install job.yaml # job file is attached in this email
> bin/lkp run job.yaml
>
>
>
> Thanks,
> Rong Chen
>
WARNING: multiple messages have this Message-ID (diff)
From: Noralf Trønnes <noralf@tronnes.org>
To: lkp@lists.01.org
Subject: Re: [drm/i915/fbdev] 09ded8af57: dmesg.RIP:drm_setup_crtcs[drm_kms_helper]
Date: Sun, 28 Apr 2019 17:40:28 +0200 [thread overview]
Message-ID: <cb4c5608-301b-5ac9-09d6-52a19909c8a9@tronnes.org> (raw)
In-Reply-To: <20190428095139.GA15857@shao2-debian>
[-- Attachment #1: Type: text/plain, Size: 6621 bytes --]
Den 28.04.2019 11.51, skrev kernel test robot:
> FYI, we noticed the following commit (built with gcc-7):
>
> commit: 09ded8af57bcef7287b8242087d3e7556380de62 ("drm/i915/fbdev: Move intel_fb_initial_config() to fbdev helper")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> in testcase: plzip
> with following parameters:
>
> nr_threads: 100%
> cpufreq_governor: performance
> ucode: 0x12
>
>
>
> on test machine: 144 threads Intel(R) Xeon(R) CPU E7-8890 v3 @ 2.50GHz with 512G memory
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
> +-------------------------------------------------+------------+------------+
> | | e33898a207 | 09ded8af57 |
> +-------------------------------------------------+------------+------------+
> | boot_successes | 14 | 4 |
> | boot_failures | 3 | |
> | BUG:kernel_reboot-without-warning_in_test_stage | 3 | |
> | dmesg.RIP:drm_setup_crtcs[drm_kms_helper] | 0 | 4 |
> +-------------------------------------------------+------------+------------+
>
>
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <rong.a.chen@intel.com>
>
>
> [ 35.625371] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
> [ 35.634549] #PF error: [normal kernel read fault]
> [ 35.639800] PGD 0 P4D 0
> [ 35.639805] Oops: 0000 [#1] SMP PTI
> [ 35.646527] CPU: 53 PID: 1179 Comm: systemd-udevd Not tainted 5.1.0-rc2-01104-g09ded8a #1
> [ 35.655659] Hardware name: Intel Corporation BRICKLAND/BRICKLAND, BIOS BRHSXSD1.86B.0067.R02.1507221722 07/22/2015
> [ 35.667239] RIP: 0010:drm_setup_crtcs+0x3eb/0x1020 [drm_kms_helper]
> [ 35.674236] Code: 44 24 60 48 8b 04 24 4c 01 f0 80 38 00 0f 84 a3 07 00 00 41 8b 8d 1c 03 00 00 83 f9 01 0f 84 5f 09 00 00 49 8b 95 e0 03 00 00 <48> 83 7a 10 00 0f 84 e0 01 00 00 48 8b 52 08 48 85 d2 0f 84 d1 01
> [ 35.695199] RSP: 0000:ffffc9000f9938c0 EFLAGS: 00010297
> [ 35.701035] RAX: ffff88c083da2198 RBX: ffff88c083da2180 RCX: 0000000000000000
> [ 35.709000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88c083da21a1
> [ 35.716966] RBP: 0000000000000000 R08: ffff88e083ab7d48 R09: 0000000000000000
> [ 35.724934] R10: 0000000000000000 R11: ffff889fed53ec18 R12: 0000000000000001
> [ 35.732894] R13: ffff888103a92800 R14: 0000000000000000 R15: 0000000000000001
> [ 35.740863] FS: 00007fe6402648c0(0000) GS:ffff88dfff640000(0000) knlGS:0000000000000000
> [ 35.749898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 35.756312] CR2: 0000000000000010 CR3: 000000807c142003 CR4: 00000000001606e0
> [ 35.764278] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 35.772235] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 35.780201] Call Trace:
> [ 35.782946] __drm_fb_helper_initial_config_and_unlock+0x46/0x540 [drm_kms_helper]
> [ 35.791404] mgag200_fbdev_init+0xc6/0xe0 [mgag200]
> [ 35.796855] mgag200_modeset_init+0x150/0x1b0 [mgag200]
> [ 35.802694] mgag200_driver_load+0x359/0x4d0 [mgag200]
> [ 35.808470] drm_dev_register+0x11c/0x1b0 [drm]
> [ 35.813547] drm_get_pci_dev+0x9d/0x180 [drm]
> [ 35.814299] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [ 35.818417] local_pci_probe+0x42/0x90
> [ 35.818427] ? _cond_resched+0x19/0x30
> [ 35.827168] ata5.00: ATAPI: TEAC DV-W28S-W, 1.0A, max UDMA/100
> [ 35.829511] pci_device_probe+0x141/0x1b0
> [ 35.829521] really_probe+0xf8/0x3e0
> [ 35.835771] ata5.00: configured for UDMA/100
> [ 35.840505] driver_probe_device+0x10f/0x120
> [ 35.840511] device_driver_attach+0x50/0x60
> [ 35.847061] scsi 5:0:0:0: CD-ROM TEAC DV-W28S-W 1.0A PQ: 0 ANSI: 5
> [ 35.848979] __driver_attach+0x9a/0x140
> [ 35.848983] ? device_driver_attach+0x60/0x60
> [ 35.848987] bus_for_each_dev+0x76/0xc0
> [ 35.848996] ? klist_add_tail+0x3b/0x70
> [ 35.889929] bus_add_driver+0x141/0x210
> [ 35.894214] ? 0xffffffffc078d000
> [ 35.897914] driver_register+0x5b/0xe0
> [ 35.902093] ? 0xffffffffc078d000
> [ 35.905805] do_one_initcall+0x46/0x1e4
> [ 35.910089] ? _cond_resched+0x19/0x30
> [ 35.914279] ? kmem_cache_alloc_trace+0x3b/0x1d0
> [ 35.919439] do_init_module+0x5b/0x210
> [ 35.923630] load_module+0x1838/0x1f00
> [ 35.927822] ? ima_post_read_file+0xe2/0x120
> [ 35.932592] ? __do_sys_finit_module+0xe9/0x110
> [ 35.937650] __do_sys_finit_module+0xe9/0x110
> [ 35.942508] do_syscall_64+0x5b/0x1a0
> [ 35.946595] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [ 35.952226] RIP: 0033:0x7fe63f0e1229
> [ 35.956210] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 3f 4c 2b 00 f7 d8 64 89 01 48
> [ 35.977171] RSP: 002b:00007fff141d8258 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
> [ 35.985624] RAX: ffffffffffffffda RBX: 000055dca71ebe70 RCX: 00007fe63f0e1229
> [ 35.993580] RDX: 0000000000000000 RSI: 00007fe63f9fa265 RDI: 0000000000000015
> [ 36.001545] RBP: 00007fe63f9fa265 R08: 0000000000000000 R09: 00007fff141d87d0
> [ 36.009511] R10: 0000000000000015 R11: 0000000000000246 R12: 0000000000000000
> [ 36.017477] R13: 000055dca71ff2f0 R14: 0000000000020000 R15: 000055dca5594cbc
> [ 36.025436] Modules linked in: irqbypass mgag200(+) ttm snd_pcm crct10dif_pclmul crc32_pclmul crc32c_intel snd_timer ipmi_ssif ghash_clmulni_intel drm_kms_helper ahci snd syscopyarea aesni_intel sysfillrect sysimgblt crypto_simd fb_sys_fops libahci soundcore cryptd mpt3sas(+) glue_helper pcspkr drm joydev libata ipmi_si raid_class lpc_ich i2c_i801 scsi_transport_sas ipmi_devintf wmi ipmi_msghandler acpi_pad pcc_cpufreq ip_tables
> [ 36.067874] CR2: 0000000000000010
> [ 36.071721] ---[ end trace d29a594eb030ca5d ]---
>
mgag200 is a non-atomic driver and thus most likely fixed by commit
1de7259275ca ("drm/fb-helper: Fix drm_fb_helper_firmware_config() NULL
pointer deref").
Noralf.
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp install job.yaml # job file is attached in this email
> bin/lkp run job.yaml
>
>
>
> Thanks,
> Rong Chen
>
next prev parent reply other threads:[~2019-04-28 15:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-28 9:51 [drm/i915/fbdev] 09ded8af57: dmesg.RIP:drm_setup_crtcs[drm_kms_helper] kernel test robot
2019-04-28 9:51 ` kernel test robot
2019-04-28 15:40 ` Noralf Trønnes [this message]
2019-04-28 15:40 ` Noralf Trønnes
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=cb4c5608-301b-5ac9-09d6-52a19909c8a9@tronnes.org \
--to=noralf@tronnes.org \
--cc=daniel.vetter@ffwll.ch \
--cc=jani.nikula@intel.com \
--cc=jani.nikula@linux.intel.com \
--cc=joonas.lahtinen@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lkp@01.org \
--cc=rodrigo.vivi@intel.com \
--cc=rong.a.chen@intel.com \
--cc=sfr@canb.auug.org.au \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.