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Re: 2.6.2-rc1-mm2

To: linux-kernel@xxxxxxxxxxxxxxx
Subject: Re: 2.6.2-rc1-mm2
From: Karol Kozimor <sziwan@xxxxxxxxxxx>
Date: Sat, 24 Jan 2004 01:51:44 +0100
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <1h670-8J-5@xxxxxxxxxxxxxxxx>
Mail-followup-to: linux-kernel@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxx
References: <1h670-8J-5@xxxxxxxxxxxxxxxx>
Sender: linux-xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.4.1i
Thus wrote Andrew Morton:
> - There is a new debug check in here which drops a stack trace when a piece
>   of code calls one of the sleep_on() functions without lock_kernel() held. 
>   This is almost certainly a bug.  Please try to identify (from the trace)
>   which subsystem is the culprit and copy its maintainer when reporting such
>   traces.

#v+
Linux version 2.6.2-rc1-mm2 (sziwan@nadir) (gcc version 3.3.2) #11 Fri Jan 23 
22:45:18 CET 2004
[...]
Badness in interruptible_sleep_on at kernel/sched.c:2230
Call Trace:
 [<c011aa82>] interruptible_sleep_on+0xd1/0xd6
 [<c011a784>] default_wake_function+0x0/0x12
 [<c01df0b1>] pagebuf_daemon+0x0/0x230
 [<c01df2c6>] pagebuf_daemon+0x215/0x230
 [<c01df087>] pagebuf_daemon_wakeup+0x0/0x2a
 [<c01df0b1>] pagebuf_daemon+0x0/0x230
 [<c0109255>] kernel_thread_helper+0x5/0xb

[...]
XFS mounting filesystem hda5
Badness in interruptible_sleep_on at kernel/sched.c:2230
Call Trace:
 [<c011aa82>] interruptible_sleep_on+0xd1/0xd6
 [<c011a784>] default_wake_function+0x0/0x12
 [<c01df2c6>] pagebuf_daemon+0x215/0x230
 [<c01df087>] pagebuf_daemon_wakeup+0x0/0x2a
 [<c01df0b1>] pagebuf_daemon+0x0/0x230
 [<c0109255>] kernel_thread_helper+0x5/0xb

Ending clean XFS mount for filesystem: hda5
#v-

[there was more of that, omitted]
Best regards,

-- 
Karol 'sziwan' Kozimor
sziwan@xxxxxxxxxxx


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