Re: 2.6.27-05178-g2e532d6: list_add corruption

From: Davide Libenzi
Date: Fri Oct 17 2008 - 19:19:24 EST


On Fri, 17 Oct 2008, Alexander Beregalov wrote:

> I am afraid I do not know how to reproduce this.
>
> WARNING: at lib/list_debug.c:30 __list_add+0x44/0x5c()
> list_add corruption. prev->next should be next (f6638448), but was
> f26f078c. (prev=f26f078c).
> Modules linked in: w83627hf hwmon_vid i2c_nforce2
> Pid: 1933, comm: rtorrent Not tainted 2.6.27-05178-g2e532d6 #6
> Call Trace:
> [<c011de4b>] warn_slowpath+0x4b/0x69
> [<c0137a03>] ? trace_hardirqs_off+0xb/0xd
> [<c01070ab>] ? native_sched_clock+0x76/0x88
> [<c0138cc5>] ? trace_hardirqs_on+0xb/0xd
> [<c0138c93>] ? trace_hardirqs_on_caller+0xe6/0x10d
> [<c031aa43>] ? release_sock+0xac/0xb4
> [<c0138cc5>] ? trace_hardirqs_on+0xb/0xd
> [<c0139d4e>] ? __lock_acquire+0xaeb/0xafa
> [<c0139d4e>] ? __lock_acquire+0xaeb/0xafa
> [<c0137a39>] ? put_lock_stats+0xd/0x21
> [<c026a404>] __list_add+0x44/0x5c
> [<c0186be0>] ep_poll_callback+0x5b/0xb4

This is very likely to be caused by a patch that went in a few days ago.
Already posted a fix to Andrew.



- Davide


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