# dump.sh
killall: netdump: no process killed
listening on port 7000
listening on port 7002
listening on port 7004
listening on port 7003
listening on port 7005
listening on port 7008
listening on port 7007
listening on port 7006
listening on port 7001
listening on port 7011
listening on port 7012
# listening on port 7009
listening on port 7010
listening on port 7013
listening on port 7015
listening on port 7014

#
# got new client
got new client
got new client
got new client
got new client
got new client
got new client
got new client
got new client
got new client
got new client
got new client
got new client
got new client
got new client
got new client

#
# hwts 32
fsl-gianfar ff724000.ethernet: DMA-API: device driver frees DMA memory with wrong function [device address=0x000000001ead4296] [size=74 bytes] [mapped as single] [unmapped as page]
------------[ cut here ]------------
WARNING: at lib/dma-debug.c:1116
Modules linked in:
CPU: 0 PID: 1574 Comm: hwts Tainted: G        W       4.4.235 #13
task: df89ddc0 ti: db892000 task.ti: db892000
NIP: c030f5c0 LR: c030f5c0 CTR: c0367c44
REGS: db893c20 TRAP: 0700   Tainted: G        W        (4.4.235)
MSR: 00021000 <CE,ME>  CR: 28002822  XER: 20000000

GPR00: c030f5c0 db893cd0 df89ddc0 000000b4 dffc62f0 dffc7e0c 1f854000 db892000
GPR08: 00000007 c0772d4c 1f854000 00000217 44002844 100192ac 00000000 00000000
GPR16: 00000000 dd9dc43c 00000002 dd9dc420 00000000 dfa2e900 00000000 dd9dc000
GPR24: 00029000 c07a8314 c07fbb68 c07b0000 c07d9ec0 db893d28 c0808e20 d9f42a80
NIP [c030f5c0] check_unmap+0x948/0xa90
LR [c030f5c0] check_unmap+0x948/0xa90
Call Trace:
[db893cd0] [c030f5c0] check_unmap+0x948/0xa90 (unreliable)
[db893d20] [c030f7a4] debug_dma_unmap_page+0x9c/0xb0
[db893da0] [c03eebe8] free_skb_resources+0x16c/0x3e4
[db893df0] [c03f354c] reset_gfar+0x68/0x9c
[db893e00] [c03f378c] gfar_ioctl+0x20c/0x210
[db893e30] [c04a2d14] dev_ifsioc+0x308/0x31c
[db893e60] [c04a2f94] dev_ioctl+0x1c0/0x624
[db893ec0] [c014b4d0] do_vfs_ioctl+0x38c/0x6b4
[db893f20] [c014b844] SyS_ioctl+0x4c/0x80
[db893f40] [c0011004] ret_from_syscall+0x0/0x3c
--- interrupt: c01 at 0xff40194
    LR = 0xffed0a8
Instruction dump:
554a103a 7c69402e 7cc9502e 811d001c 813d0020 815d0024 90610008 3c60c06b
90c1000c 3863b7a8 4cc63182 482c99b9 <0fe00000> 4bfffa60 3c80c06b 3884b0f8
---[ end trace 78a786707a6af2a1 ]---
Mapped at:
 [<c03efbd8>] gfar_start_xmit+0x384/0x9f0
 [<c0489b74>] dev_hard_start_xmit+0x27c/0x47c
 [<c04ae520>] sch_direct_xmit+0xe4/0x278
 [<c04ae748>] __qdisc_run+0x94/0x1dc
 [<c0485888>] net_tx_action+0x1c0/0x2c0
driver changed our HWTSTAMP options
tx_type   got 1 wanted 1
rx_filter got 1 wanted 12
sending 0
sendto 319: 44; Success
sending 1
sendto 319: 44; Success
sending 2
sendto 319: 44; Success
BUG: Bad page state in process kworker/1:1  pfn:1f038
page:de51e700 count:-29 mapcount:0 mapping:  (null) index:0x0
flags: 0x0()
page dumped because: nonzero _count
Modules linked in:
CPU: 1 PID: 409 Comm: kworker/1:1 Tainted: G        W       4.4.235 #13
Workqueue: events gfar_reset_task
Call Trace:
[dd93fc80] [c05daf48] dump_stack+0x94/0xc0 (unreliable)
[dd93fc90] [c00f41cc] bad_page+0xcc/0x118
[dd93fcb0] [c00f800c] get_page_from_freelist+0x310/0x8d0
[dd93fd40] [c00f86bc] __alloc_pages_nodemask+0xf0/0x874
[dd93fde0] [c03f0ed4] gfar_alloc_rx_buffs+0x11c/0x270
[dd93fe20] [c03f2d24] startup_gfar+0x388/0x590
[dd93fe60] [c03f3554] reset_gfar+0x70/0x9c
[dd93fe70] [c0059728] process_one_work+0x178/0x414
[dd93fea0] [c0059b00] worker_thread+0x13c/0x4e8
[dd93fef0] [c005f97c] kthread+0xd4/0xe8
[dd93ff40] [c001113c] ret_from_kernel_thread+0x5c/0x64
Disabling lock debugging due to kernel taint
BUG: Bad page state in process kworker/1:1  pfn:1f100
page:de520000 count:-32 mapcount:0 mapping:  (null) index:0x0
flags: 0x0()
page dumped because: nonzero _count
Modules linked in:
CPU: 1 PID: 409 Comm: kworker/1:1 Tainted: G    B   W       4.4.235 #13
Workqueue: events gfar_reset_task
Call Trace:
[dd93fc80] [c05daf48] dump_stack+0x94/0xc0 (unreliable)
[dd93fc90] [c00f41cc] bad_page+0xcc/0x118
[dd93fcb0] [c00f800c] get_page_from_freelist+0x310/0x8d0
[dd93fd40] [c00f86bc] __alloc_pages_nodemask+0xf0/0x874
[dd93fde0] [c03f0ed4] gfar_alloc_rx_buffs+0x11c/0x270
[dd93fe20] [c03f2d24] startup_gfar+0x388/0x590
[dd93fe60] [c03f3554] reset_gfar+0x70/0x9c
[dd93fe70] [c0059728] process_one_work+0x178/0x414
[dd93fea0] [c0059b00] worker_thread+0x13c/0x4e8
[dd93fef0] [c005f97c] kthread+0xd4/0xe8
[dd93ff40] [c001113c] ret_from_kernel_thread+0x5c/0x64
BUG: Bad page state in process kworker/1:1  pfn:1ee70
page:de51ae00 count:-33 mapcount:0 mapping:  (null) index:0x0
flags: 0x0()
page dumped because: nonzero _count
Modules linked in:
CPU: 1 PID: 409 Comm: kworker/1:1 Tainted: G    B   W       4.4.235 #13
Workqueue: events gfar_reset_task
Call Trace:
[dd93fc80] [c05daf48] dump_stack+0x94/0xc0 (unreliable)
[dd93fc90] [c00f41cc] bad_page+0xcc/0x118
[dd93fcb0] [c00f800c] get_page_from_freelist+0x310/0x8d0
[dd93fd40] [c00f86bc] __alloc_pages_nodemask+0xf0/0x874
[dd93fde0] [c03f0ed4] gfar_alloc_rx_buffs+0x11c/0x270
[dd93fe20] [c03f2d24] startup_gfar+0x388/0x590
[dd93fe60] [c03f3554] reset_gfar+0x70/0x9c
[dd93fe70] [c0059728] process_one_work+0x178/0x414
[dd93fea0] [c0059b00] worker_thread+0x13c/0x4e8
[dd93fef0] [c005f97c] kthread+0xd4/0xe8
[dd93ff40] [c001113c] ret_from_kernel_thread+0x5c/0x64
BUG: Bad page state in process netdump  pfn:1eba0
page:de515400 count:-66 mapcount:0 mapping:  (null) index:0x0
BUG: Bad page state in process netdump  pfn:1f0a8
page:de51f500 count:-43 mapcount:0 mapping:  (null) index:0x0
flags: 0x0()
page dumped because: nonzero _count
Modules linked in:
CPU: 0 PID: 1558 Comm: netdump Tainted: G    B   W       4.4.235 #13
Call Trace:
[dc243c20] [c05daf48] dump_stack+0x94/0xc0 (unreliable)
[dc243c30] [c00f41cc] bad_page+0xcc/0x118
[dc243c50] [c00f800c] get_page_from_freelist+0x310/0x8d0
[dc243ce0] [c00f86bc] __alloc_pages_nodemask+0xf0/0x874
[dc243d80] [c046dfb0] skb_page_frag_refill+0xa4/0x130
[dc243da0] [c046e068] sk_page_frag_refill+0x2c/0x9c
[dc243db0] [c04ce9fc] tcp_sendmsg+0x228/0xad4
[dc243e20] [c046829c] sock_sendmsg+0x2c/0x4c
[dc243e30] [c046a7f8] SyS_sendto+0xc8/0xfc
[dc243f10] [c046b3f8] SyS_socketcall+0x1b8/0x230
[dc243f40] [c0011004] ret_from_syscall+0x0/0x3c
--- interrupt: c01 at 0xff49d30
    LR = 0xff49d0c
BUG: Bad page state in process netdump  pfn:1e888
page:de50f100 count:-70 mapcount:0 mapping:  (null) index:0x0
flags: 0x0()
page dumped because: nonzero _count
Modules linked in:
CPU: 0 PID: 1558 Comm: netdump Tainted: G    B   W       4.4.235 #13
Call Trace:
[dc243c20] [c05daf48] dump_stack+0x94/0xc0 (unreliable)
[dc243c30] [c00f41cc] bad_page+0xcc/0x118
[dc243c50] [c00f800c] get_page_from_freelist+0x310/0x8d0
[dc243ce0] [c00f86bc] __alloc_pages_nodemask+0xf0/0x874
[dc243d80] [c046dfb0] skb_page_frag_refill+0xa4/0x130
[dc243da0] [c046e068] sk_page_frag_refill+0x2c/0x9c
[dc243db0] [c04ce9fc] tcp_sendmsg+0x228/0xad4
[dc243e20] [c046829c] sock_sendmsg+0x2c/0x4c
[dc243e30] [c046a7f8] SyS_sendto+0xc8/0xfc
[dc243f10] [c046b3f8] SyS_socketcall+0x1b8/0x230
[dc243f40] [c0011004] ret_from_syscall+0x0/0x3c
--- interrupt: c01 at 0xff49d30
    LR = 0xff49d0c
BUG: Kernel NULL pointer dereference at 0x00000054
Faulting instruction address: 0xc0476efc
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=2 P2020 RDB
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G    B   W       4.4.235 #13
task: c0779300 ti: dffe6000 task.ti: c07d4000
NIP: c0476efc LR: c0476bd4 CTR: c04ea910
REGS: dffe7b00 TRAP: 0300   Tainted: G    B   W        (4.4.235)
MSR: 00029000 <CE,EE,ME>  CR: 24244042  XER: 00000000
DEAR: 00000054 ESR: 00000000
GPR00: c0476bd4 dffe7bb0 c0779300 00000800 dffe7bc0 00000b50 00000b92 dedc3000
GPR08: 00000b50 00000001 00000b92 00000000 24224044 0112c18a de974530 00000042
GPR16: de974530 00000000 00000042 00000000 00000000 00000001 000005a8 0000009e
GPR24: 00000042 00000000 00000042 000005a8 00000000 00000000 dedc3168 00000001
NIP [c0476efc] skb_segment+0x3ac/0x80c
LR [c0476bd4] skb_segment+0x84/0x80c
Call Trace:
[dffe7bb0] [c0476bd4] skb_segment+0x84/0x80c (unreliable)
[dffe7c40] [c04ea584] tcp_gso_segment+0xd8/0x464
[dffe7c90] [c04fc8dc] inet_gso_segment+0x134/0x30c
[dffe7cd0] [c0489020] skb_mac_gso_segment+0xc8/0x120
[dffe7d00] [c0489100] __skb_gso_segment+0x88/0x150
[dffe7d20] [c04896a0] validate_xmit_skb.isra.84.part.85+0x130/0x308
[dffe7d40] [c04898b4] validate_xmit_skb_list+0x3c/0x80
[dffe7d60] [c04ae560] sch_direct_xmit+0x124/0x278
[dffe7d90] [c048a194] __dev_queue_xmit+0x2ec/0x70c
[dffe7de0] [c04c0700] ip_finish_output2+0x268/0x520
[dffe7e10] [c04c2ab4] ip_queue_xmit+0x178/0x418
[dffe7e40] [c04dca44] __tcp_transmit_skb+0x5a4/0x9d0
[dffe7e90] [c04dd098] tcp_write_xmit+0x228/0xe7c
[dffe7f10] [c04ddf90] tcp_tasklet_func+0x120/0x13c
[dffe7f50] [c0043c90] tasklet_action+0xb8/0x17c
[dffe7f80] [c004308c] __do_softirq+0xe8/0x35c
[dffe7fe0] [c0043510] irq_exit+0xb8/0xdc
[dffe7ff0] [c000f534] call_do_irq+0x24/0x3c
[c07d5e50] [c0005614] do_IRQ+0xac/0x14c
[c07d5e80] [c00116d0] ret_from_except+0x0/0x18
--- interrupt: 501 at arch_cpu_idle+0x30/0x68
    LR = arch_cpu_idle+0x30/0x68
[c07d5f40] [c0095114] rcu_idle_enter+0xa8/0xac (unreliable)
[c07d5f50] [c008190c] cpu_startup_entry+0x204/0x2f8
[c07d5fb0] [c0713a08] start_kernel+0x3b4/0x3cc
[c07d5ff0] [c00003d8] set_ivor+0x140/0x17c
Instruction dump:
832e0058 7f12c378 7cb23050 7ff1fb78 7f85b040 7f393050 7f762f5e 7f32c851
4080fd74 41b2fd78 7f94e000 41bdfd84 <80d30054> 80b30058 7f862840 41befd74
---[ end trace 78a786707a6af2a2 ]---

Kernel panic - not syncing: Fatal exception in interrupt
Rebooting in 60 seconds..