From: Douglas Gilbert <dougg@torque.net>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: illegal context for sleeping ... rmmod ide-cd + ide-scsi
Date: Mon, 05 May 2003 21:51:04 +1000 [thread overview]
Message-ID: <3EB65028.8080402@torque.net> (raw)
In-Reply-To: <20030505020104.0abc66ba.akpm@digeo.com>
Andrew Morton wrote:
> Douglas Gilbert <dougg@torque.net> wrote:
>
>>In lk 2.5.69 (and in 68) both the ide-cd and ide-scsi
>>modules generate a "sleeping function called from illegal
>>context" stack trace when removed.
>>
>>After "rmmod ide-cd" this appears:
>> Debug: sleeping function called from illegal context
>> at include/asm/semaphore.h:119
>> Call Trace:
>> [<c011dcec>] __might_sleep+0x5c/0x70
>
>
> ide_unregister_subdriver() does spin_lock_irqsave(&ide_lock), then
> calls auto_remove_settings(), which does down(&ide_setting_sem);
>
> A simple fix might be:
Andrew,
Thanks. That patch clears the reported problem.
Doug Gilbert
next prev parent reply other threads:[~2003-05-05 11:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-05 8:39 illegal context for sleeping ... rmmod ide-cd + ide-scsi Douglas Gilbert
2003-05-05 9:01 ` Andrew Morton
2003-05-05 11:51 ` Douglas Gilbert [this message]
2003-05-05 11:23 ` Alan Cox
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