2011/9/1 Frédéric Moulins <ffr...@gmail.com>:
> Hello,
>
> I misread the top information and "sirq" are at more than 50% with some
> traffic going through.
>
> Actually, there are a lot of ERR interrupts reported in /proc/interrupts
> even just after booting the device:
> https://dev.openwrt.org/ticket/10037
>
> How to check if both are related, and related to the ag71xx driver
> mentionned in the kernel oops ("<ag71xx_poll+1dc/58c>") ?
I am not getting kernel oops with the current cerowrt rc6-smoketest4
(which is for the wndr3700v2),
but I do see lots of ERR interrupts.
root@OpenWrt:~# cat /proc/interrupts
CPU0
3: 77 MIPS ehci_hcd:usb1
4: 25659 MIPS se00
5: 0 MIPS ge00
6: 0 MIPS cascade [AR71XX MISC]
7: 967503 MIPS timer
10: 0 AR71XX MISC cascade [AR71XX GPIO]
11: 14 AR71XX MISC serial
14: 0 AR71XX MISC ohci_hcd:usb2
72: 9148194 AR71XX PCI ath9k
73: 712404 AR71XX PCI ath9k
ERR: 10853851
root@OpenWrt:~# uptime
17:52:33 up 2:31, load average: 0.00, 0.01, 0.04
>
>
>
> Regards
>
> fred
>
> Le 22/08/2011 15:19, Frédéric Moulins a écrit :
>> Hello,
>>
>> Kernel bug detected under heavy load (irqs at maximum pps rate, some cpu
>> with luci realtime trafic view) on a NanostationM5 running trunk r28057:
>>
>>> root@OpenWrt:~# ksymoops -m /tmp/System.map < /tmp/bug
>>> ksymoops 2.4.11 on mips 2.6.39.4. Options used
>>> -V (default)
>>> -k /proc/ksyms (default)
>>> -l /proc/modules (default)
>>> -o /lib/modules/2.6.39.4/ (default)
>>> -m /tmp/System.map (specified)
>>> -t mips32r2 -a mips
>>>
>>> Error (regular_file): read_ksyms stat /proc/ksyms failed
>>> ksymoops: No such file or directory
>>> No modules in ksyms, skipping objects
>>> No ksyms, skipping lsmod
>>> <4>Kernel bug detected[#1]:
>>> <4>Cpu 0
>>> <4>$ 0 : 00000000 00000000 00000007 0000119b
>>> <4>$ 4 : 00000000 81ad7540 00014628 00004034
>>> <4>$ 8 : 0000002c 80159b44 00000000 00003000
>>> <4>$12 : 00000180 00000000 00000000 0000000c
>>> <4>$16 : 81849360 00000140 00000001 81849370
>>> <4>$20 : 802a52b0 81849000 802baaa8 0001462a
>>> <4>$24 : 00000000 80d61684
>>> <4>$28 : 81a10000 81a11e40 802b0000 801ba480
>>> <4>Hi : 00000014
>>> <4>Lo : 00000046
>>> <4>epc : 801ba60c 0x801ba60c
>>> <4>Status: 1000f403 KERNEL EXL IE
>>> <4>Cause : 10800024
>>> <4> 81849370 00000000 00000040 0000012c 802c0000 80300000 802baaa8
>>> 0001462a
>>> <4> 802b0000 801d5d28 802af5f4 00000040 802f0000 802f0000 802f308c
>>> 00000009
>>> <4> 00000003 00000100 00000008 802f0000 802f0000 802ad358 802ad930
>>> 8007a624
>>> <4> 0000004b 004d9c20 00000001 00000002 00000003 004d9c20 00000000
>>> 00444038
>>> <4>Call Trace:[<81be4ad0>] 0x81be4ad0
>>> <4>[<80d1ac18>] 0x80d1ac18
>>> <4>[<802c0000>] 0x802c0000
>>> <4>[<801d5d28>] 0x801d5d28
>>> <4>[<8007a624>] 0x8007a624
>>> <4>[<8007a82c>] 0x8007a82c
>>> <4>[<800610e0>] 0x800610e0
>>> <4>[<8006258c>] 0x8006258c
>>> <4>Code: 24a53300 0c095787 2406037c <0200000d> 24030001 ac430194
>>> 8e020000 8c960004 8c420194
>>> Error (Oops_bfd_perror): /tmp/ksymoops.96JjMa Invalid bfd target
>>>
>>>
>>>>> $20; 802a52b0 <ar71xx_eth0_data+0/40>
>>>>> $22; 802baaa8 <softnet_data+8/80>
>>>>> $30; 802b0000 <irq_desc+b8c/1e00>
>>>>> $31; 801ba480 <ag71xx_poll+50/58c>
>>>
>>>>> PC; 801ba60c <ag71xx_poll+1dc/58c> <=====
>>>
>>> Trace; 81be4ad0 <END_OF_CODE+18e8610/????>
>>> Trace; 80d1ac18 <END_OF_CODE+a1e758/????>
>>> Trace; 802c0000 <dir825b1_setup+b8/148>
>>> Trace; 801d5d28 <net_rx_action+88/1c8>
>>> Trace; 8007a624 <__do_softirq+ac/15c>
>>> Trace; 8007a82c <do_softirq+48/68>
>>> Trace; 800610e0 <plat_irq_dispatch+4c/17c>
>>> Trace; 8006258c <ret_from_irq+0/4>
>>>
>>> <0>Kernel panic - not syncing: Fatal exception in interrupt
>>> <4>Kernel bug detected[#1]:
>>> <4>Cpu 0
>>> <4>$ 0 : 00000000 00000000 00000007 0000119b
>>> <4>$ 4 : 00000000 81ad7540 00014628 00004034
>>> <4>$ 8 : 0000002c 80159b44 00000000 00003000
>>> <4>$12 : 00000180 00000000 00000000 0000000c
>>> <4>$16 : 81849360 00000140 00000001 81849370
>>> <4>$20 : 802a52b0 81849000 802baaa8 0001462a
>>> <4>$24 : 00000000 80d61684
>>> <4>$28 : 81a10000 81a11e40 802b0000 801ba480
>>> <4>Hi : 00000014
>>> <4>Lo : 00000046
>>> <4>epc : 801ba60c 0x801ba60c
>>> <4>Status: 1000f403 KERNEL EXL IE
>>> <4>Cause : 10800024
>>> <4> 81849370 00000000 00000040 0000012c 802c0000 80300000 802baaa8
>>> 0001462a
>>> <4> 802b0000 801d5d28 802af5f4 00000040 802f0000 802f0000 802f308c
>>> 00000009
>>> <4> 00000003 00000100 00000008 802f0000 802f0000 802ad358 802ad930
>>> 8007a624
>>> <4> 0000004b 004d9c20 00000001 00000002 00000003 004d9c20 00000000
>>> 00444038
>>> <4>Call Trace:[<81be4ad0>] 0x81be4ad0
>>> <4>[<80d1ac18>] 0x80d1ac18
>>> <4>[<802c0000>] 0x802c0000
>>> <4>[<801d5d28>] 0x801d5d28
>>> <4>[<8007a624>] 0x8007a624
>>> <4>[<8007a82c>] 0x8007a82c
>>> <4>[<800610e0>] 0x800610e0
>>> <4>[<8006258c>] 0x8006258c
>>> <4>Code: 24a53300 0c095787 2406037c <0200000d> 24030001 ac430194
>>> 8e020000 8c960004 8c420194
>>> Error (Oops_bfd_perror): /tmp/ksymoops.JanMcf Invalid bfd target
>>>
>>>
>>>>> $20; 802a52b0 <ar71xx_eth0_data+0/40>
>>>>> $22; 802baaa8 <softnet_data+8/80>
>>>>> $30; 802b0000 <irq_desc+b8c/1e00>
>>>>> $31; 801ba480 <ag71xx_poll+50/58c>
>>>
>>>>> PC; 801ba60c <ag71xx_poll+1dc/58c> <=====
>>>
>>> Trace; 81be4ad0 <END_OF_CODE+18e8610/????>
>>> Trace; 80d1ac18 <END_OF_CODE+a1e758/????>
>>> Trace; 802c0000 <dir825b1_setup+b8/148>
>>> Trace; 801d5d28 <net_rx_action+88/1c8>
>>> Trace; 8007a624 <__do_softirq+ac/15c>
>>> Trace; 8007a82c <do_softirq+48/68>
>>> Trace; 800610e0 <plat_irq_dispatch+4c/17c>
>>> Trace; 8006258c <ret_from_irq+0/4>
>>>
>>> <0>Kernel panic - not syncing: Fatal exception in interrupt
>>>
>>> 3 errors issued. Results may not be reliable.
>>
>>
>> Regards
>>
>> fred
>
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>
--
Dave Täht
SKYPE: davetaht
US Tel: 1-239-829-5608
http://the-edge.blogspot.com
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