Gaurav wrote:
> Hi All,
>
> I am seeing a crash in rt_check_expire. Below is the Oops info.
>
> Does any one has an idea about the cause of this?
>
> Thanks in advance.
>
> Regards,
> Gaurav
> -------------------------------------------------------------------------------------------------------
>
> CPU 0 Unable to handle kernel paging request at virtual address
> 01010020, epc == 8028c28c,
> ra == 802
>
> Oops in arch/mips/mm/fault.c::do_page_fault, line 171[#1]:
> Cpu 0
> $ 0 : 00000000 1000fc01 00000010 00000001
> $ 4 : 000001ff 80378000 80430000 80539640
> $ 8 : 00000000 00000000 80420000 00000000
> $12 : 80b2b7e0 00000003 00000009 00000003
> $16 : 01010000 0000ea60 80378000 005808d1
> $20 : 00000020 00000040 00000000 00415e60
> $24 : 00000000 c006a24c
> $28 : 8046c000 8046de98 00000100 8028c30c
> Hi : 00000000
> Lo : 00000000
> epc : 8028c2f0 rt_check_expire+0xfc/0x234 Tainted: PF
> ra : 8028c30c rt_check_expire+0x118/0x234
> Status: 1000fc03 KERNEL EXL IE
> Cause : 10800008
> BadVA : 01010020
> PrId : 0001800a
> Modules linked in: ctlmtel ctlmatm ctlmeth ctlmdsl ctlmapi ctlm_sf
> ctlmspi
> Process ksoftirqd/0 (pid: 2, threadinfo=8046c000, task=804647c0)
> Stack : 8041cc90 80420000 00000000 c006a24c 00000020 00000000 00000000
> 8028c1f4
> 8046def0 8041b40c 00200200 00100100 80310000 8041b414 80310000
> 801338d8
> 802f0000 8026a7fc 80b87c00 8046def0 00000000 c006a24c 80b7ff10
> 80b7ff10
> 00000002 00000000 8041b190 00000001 00000004 802f0000 8041cc90
> 80420000
> 802f0000 8012da80 8012e7c4 00000002 80469ef0 8012e694 80420000
> 00000002
> ...
> Call Trace:
> [<c006a24c>] iad_osal_mutexGive+0x0/0xc0 [ctlmspi]
> [<8028c1f4>] rt_check_expire+0x0/0x234
> [<801338d8>] run_timer_softirq+0x51c/0xaa4
> [<8026a7fc>] net_rx_action+0xd8/0x2a8
> [<c006a24c>] iad_osal_mutexGive+0x0/0xc0 [ctlmspi]
> [<8012da80>] ___do_softirq+0x90/0x168
> [<8012e7c4>] ksoftirqd+0x130/0x138
> [<8012e694>] ksoftirqd+0x0/0x138
> [<8012e694>] ksoftirqd+0x0/0x138
> [<8012dc6c>] _do_softirq+0x60/0x7c
> [<8012e74c>] ksoftirqd+0xb8/0x138
> [<8012e754>] ksoftirqd+0xc0/0x138
> [<801454c0>] kthread+0x268/0x2b0
> [<801452c8>] kthread+0x70/0x2b0
> [<80103a68>] kernel_thread_helper+0x10/0x18
> [<80103a58>] kernel_thread_helper+0x0/0x18
>
>
> Code: 12000012 00000000 afb40010 <8e020020> 02002021 1440fff0
> 02202821 3c02
> 8032 0c0a304d
> note: ksoftirqd/0[2] exited with preempt_count 1
> BUG: scheduling while atomic: ksoftirqd/0/0x00000001/2
> caller is do_exit+0x924/0x12f0
> Call Trace:
> [<8012a79c>] do_exit+0x924/0x12f0
> [<802e4f14>] __schedule+0x8d0/0xba0
> [<802e4f0c>] __schedule+0x8c8/0xba0
> [<80410000>] ip_auto_config+0x338/0x1158
> [<8012a79c>] do_exit+0x924/0x12f0
> [<80107bfc>] __die+0xf8/0x108
> [<8010c44c>] do_page_fault+0x14c/0x3b0
> [<c008044c>] iad_eth_start_xmit+0x180/0x4d4 [ctlmeth]
> [<8028c2f0>] rt_check_expire+0xfc/0x234
> [<8028c30c>] rt_check_expire+0x118/0x234
> [<80410000>] ip_auto_config+0x338/0x1158
> [<8014d184>] handle_IRQ_event+0x94/0x1cc
> [<8012dd14>] do_softirq+0x8c/0xb8
> [<8012dd14>] do_softirq+0x8c/0xb8
> [<8014d484>] __do_IRQ+0x1b0/0x22c
> [<8014d4d0>] __do_IRQ+0x1fc/0x22c
> [<80269724>] dev_queue_xmit+0x344/0x3ec
> [<802696ec>] dev_queue_xmit+0x30c/0x3ec
> [<8012de64>] irq_exit+0x5c/0x74
> [<8014d184>] handle_IRQ_event+0x94/0x1cc
> [<801032b4>] do_IRQ+0x24/0x3c
> [<801032ac>] do_IRQ+0x1c/0x3c
> [<8010ce60>] tlb_do_page_fault_0+0x100/0x108
> [<8014d4d0>] __do_IRQ+0x1fc/0x22c
> [<8012de64>] irq_exit+0x5c/0x74
> [<c006a24c>] iad_osal_mutexGive+0x0/0xc0 [ctlmspi]
> [<8028c30c>] rt_check_expire+0x118/0x234
> [<8028c2f0>] rt_check_expire+0xfc/0x234
> [<c006a24c>] iad_osal_mutexGive+0x0/0xc0 [ctlmspi]
> [<8028c1f4>] rt_check_expire+0x0/0x234
> [<801338d8>] run_timer_softirq+0x51c/0xaa4
> [<8026a7fc>] net_rx_action+0xd8/0x2a8
> [<c006a24c>] iad_osal_mutexGive+0x0/0xc0 [ctlmspi]
> [<8012da80>] ___do_softirq+0x90/0x168
> [<8012e7c4>] ksoftirqd+0x130/0x138
> [<8012e694>] ksoftirqd+0x0/0x138
> [<8012e694>] ksoftirqd+0x0/0x138
> [<8012dc6c>] _do_softirq+0x60/0x7c
> [<8012e74c>] ksoftirqd+0xb8/0x138
> [<8012e754>] ksoftirqd+0xc0/0x138
> [<801454c0>] kthread+0x268/0x2b0
> [<801452c8>] kthread+0x70/0x2b0
> [<80103a68>] kernel_thread_helper+0x10/0x18
> [<80103a58>] kernel_thread_helper+0x0/0x18
>
> -------------------------------------------------------------------------------------------------------------------
You would rather post it to lkml and netdev.
Please post a kernel version and some other basic info if there is any.
regards,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
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