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From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Lee Revell <rlrevell@joe-job.com>,
	Mark Knecht <markknecht@gmail.com>,
	linux-kernel@vger.kernel.org, rmk@arm.linux.org.uk
Subject: Re: scsi_eh / 1394 bug - -rt7
Date: Wed, 19 Oct 2005 13:22:46 +0200	[thread overview]
Message-ID: <20051019112246.GA32378@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.58.0510190300010.20634@localhost.localdomain>


* Steven Rostedt <rostedt@goodmis.org> wrote:

> > Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
> > usb 2-1: USB disconnect, address 2
> > prev->state: 2 != TASK_RUNNING??
> > scsi_eh_0/12648[CPU#0]: BUG in __schedule at kernel/sched.c:3326
> >  [<c01048b9>] dump_stack+0x19/0x20 (20)
> >  [<c011e766>] __WARN_ON+0x46/0x80 (12)
> >  [<c02c0bf7>] __schedule+0x547/0x790 (84)
> >  [<c012057a>] do_exit+0x26a/0x430 (28)
> >  [<c010147b>] kernel_thread_helper+0xb/0x10 (1020129312)
> >
> 
> This is also a problem in the upstream kernel.  It's just that RT 
> catches it!  Here's the patch. I'll also write one for the upstream 
> kernel, although this patch would probably work there as well. But 
> I'll make it official.
> 
> Ingo,
> 
> Here's the patch.  The problem is similar to the pcmcia bug.  It seems 
> that the loop usually exits in the TASK_INTERRUPTIBLE state.

thanks, applied and released in 2.6.14-rc4-rt10.

	Ingo

  parent reply	other threads:[~2005-10-19 11:23 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-18 21:02 scsi_eh / 1394 bug - -rt7 Mark Knecht
2005-10-19  3:43 ` Lee Revell
2005-10-19  4:19   ` Lee Revell
2005-10-19  7:10     ` Steven Rostedt
2005-10-19  7:54       ` [PATCH] scsi_error thread exits in TASK_INTERRUPTIBLE state Steven Rostedt
2005-10-19 11:31         ` Christoph Hellwig
2005-10-19 11:51           ` Steven Rostedt
2005-10-19 11:54             ` Christoph Hellwig
2005-10-19 12:22               ` Steven Rostedt
2005-10-19 11:56             ` Ingo Molnar
2005-10-19 11:59               ` Christoph Hellwig
2005-10-19 11:22       ` Ingo Molnar [this message]
2005-10-19 15:23       ` scsi_eh / 1394 bug - -rt7 Mark Knecht

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