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From: Andi Kleen <ak@suse.de>
To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Bug 1339] New: sleeping function called from invalid	context
Date: 10 Oct 2003 17:33:40 +0200	[thread overview]
Message-ID: <p734qyhxg2z.fsf@oldwotan.suse.de> (raw)
In-Reply-To: <200010000.1065798616@[10.10.2.4].suse.lists.linux.kernel>

"Martin J. Bligh" <mbligh@aracnet.com> writes:
> 
> Debug: sleeping function called from invalid context at include/asm/uaccess.h:473
> in_atomic():0, irqs_disabled():1
> Call Trace:
>  [<c011bd58>] __might_sleep+0x88/0x90
>  [<c010c55f>] save_v86_state+0x6f/0x1f0

Old bug. We already discussed it some time ago, but didn't get to a conclusion.

It's really the might_sleep that is buggy here.

>  [<c010d017>] handle_vm86_fault+0xb7/0xa10
>  [<c0141e21>] do_no_page+0x191/0x2f0
>  [<c0140fc6>] zeromap_pte_range+0x36/0x70
>  [<c010b070>] do_general_protection+0x0/0xa0
>  [<c010a399>] error_code+0x2d/0x38
>  [<c010a1ef>] syscall_call+0x7/0xb
>
> I don't have a method to reproduce - this just appeared in the log.

Run dosemu.

-Andi

       reply	other threads:[~2003-10-10 15:33 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200010000.1065798616@[10.10.2.4].suse.lists.linux.kernel>
2003-10-10 15:33 ` Andi Kleen [this message]
2003-10-10 15:10 [Bug 1339] New: sleeping function called from invalid context Martin J. Bligh
2003-10-11  5:35 ` Matt Mackall

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