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SubjectRe: [ OOPS ] at do_futex with 2.6.20-RC5-RT10
Hello Henri,

I have seen similar problems...
I do not know yet what caused it...

Remy

2007/1/30, Henri Hunnekens <henrihunnekens@gmail.com>:
> Dear Ingo,
>
> I've an made an application which causes an OOPS using kernel version
> 2.6.20-RC5-RT10 ( also seen with older verison 2.6.19.1-rt15 ) + FC6
> userland.
>
> The application periodically calls the libc system() routine. The
> system() routine just calls a simple external bash script. The
> application is a SCHED_OTHER application with PI mutexes. I think that
> the problem is caused by the system() routine.
>
> The following is a dump of the stdout made with kernel version
> 2.6.19.1-rt15. But 2.6.20-RC5-RT10 has the same problem.
>
>
> Oops: 0003 [#1]
> PREEMPT SMP
> Modules linked in: cap_over commoncap i2c_dev uhci_hcd i2c_i801 i2c_core ehci_hc
> d
> CPU: 0
> EIP: 0060:[<c0141d9c>] Not tainted VLI
> EFLAGS: 00010246 (2.6.19.1-rt15 #1)
> EIP is at do_futex+0x8ec/0xfb0
> eax: 0000081f ebx: 0000081f ecx: 08511a28 edx: 00000000
> esi: 8000081f edi: dc3e7fa0 ebp: dc3e7f7c esp: dc3e7e38
> ds: 007b es: 007b ss: 0068 preempt: 00000002
> Process SSL_Linux (pid: 2079, ti=dc3e6000 task=df6bd000 task.ti=dc3e6000)
> Stack: dc3e7eac c05a6570 00000278 00000001 6e6a32ae 00000000 c05a74e0 00000000
> 15c1f019 00000277 0000086f 00000000 c16ecaa0 04000001 c05a7360 00000000
> c16ecaa0 00000086 df6ad550 dc3e6000 00000000 fffffff2 c05a7de0 df6ad550
> Call Trace:
> [<c01054e6>] show_trace_log_lvl+0x26/0x40
> [<c01055b1>] show_stack_log_lvl+0xb1/0xe0
> [<c01059ef>] show_registers+0x1cf/0x280
> [<c0105bdf>] die+0x13f/0x320
> [<c0119a7c>] do_page_fault+0x21c/0x660
> [<c04252e9>] error_code+0x39/0x40
> [<c01424ff>] sys_futex+0x9f/0xd0
> [<c01047ad>] sysenter_past_esp+0x56/0x79
> =======================
> Code: 08 8b 9a b0 00 00 00 83 c1 04 19 d2 39 48 18 83 da 00 85 d2 b9 01 00 00 00
> c7 85 10 ff ff ff f2 ff ff ff 75 17 89 d8 8b 4d 08 90 <0f> b1 11 31 c9 83 f8 f2
> 89 85 10 ff ff ff 0f 94 c1 89 e0 25 00
>
> Do you have any idea what causes this problem or how to find out?
>
> Best regards,
> Henri Hunnekens
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