linux-kernel - Re: [patch 0/3] [-rt] Fixes the timeout-bug in the rtmutex/PI-futex.

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Date:	Wed, 26 Jul 2006 12:24:50 +0100 (BST)
From:	Esben Nielsen <nielsen.esben@...glemail.com>
To:	Ingo Molnar <mingo@...e.hu>
cc:	Esben Nielsen <nielsen.esben@...glemail.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch 0/3] [-rt] Fixes the timeout-bug in the rtmutex/PI-futex.



On Wed, 26 Jul 2006, Ingo Molnar wrote:

>
> * Ingo Molnar <mingo@...e.hu> wrote:
>
>> and i also had to do the fixes below to get it to build.
>
> then it crashed with the assert below. I'll skip this one for now. I've
> attached the patches (cleaned up for whitespaces) plus the
> build-fixpatch.
>
> 	Ingo

Oops. Run ran with RT_MUTEX_DEBUG_ON on SMP? I only ran it without 
RT_MUTEX_DEBUG_ON on UP. I did compile it for SMP though, but I don't have 
any SMP machine :-(

I'll merge your compile fix into patch 3 and try again.

I am using quilt and pine to send it with so I wonder why I keep getting 
the white-space damage. Shouldn't emacs fix the 8 space vs tabs things 
when I switch the c-style to linux? You probably don't use emacs....

Esben

>
> Brought up 2 CPUs
> BUG at kernel/rtmutex.c:773!
> ------------[ cut here ]------------
> kernel BUG at kernel/rtmutex.c:773!
> invalid opcode: 0000 [#1]
> PREEMPT SMP
> Modules linked in:
> CPU:    0
> EIP:    0060:[<c03e407c>]    Not tainted VLI
> EFLAGS: 00010246   (2.6.17-rt7 #14)
> EIP is at rt_lock_slowlock+0x21e/0x231
> eax: 00000020   ebx: c31d7000   ecx: c0477be4   edx: c31d97f0
> esi: 00000000   edi: c31d7d34   ebp: c31d7cdc   esp: c31d7c70
> ds: 007b   es: 007b   ss: 0068   preempt: 00000001
>
>
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