From: Ingo Molnar <mingo@elte.hu>
To: Karsten Wiese <fzu@wemgehoertderstaat.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.19-rc6-rt4, changed yum repository
Date: Sun, 19 Nov 2006 14:43:01 +0100 [thread overview]
Message-ID: <20061119134301.GA2792@elte.hu> (raw)
In-Reply-To: <200611191539.42023.fzu@wemgehoertderstaat.de>
* Karsten Wiese <fzu@wemgehoertderstaat.de> wrote:
> work_resched:
> DISABLE_INTERRUPTS
> call __schedule
> # make sure we don't miss an interrupt
> # setting need_resched or sigpending
> # between sampling and the iret
> movl TI_flags(%ebp), %ecx
> andl $_TIF_WORK_MASK, %ecx # is there any work to be done other
> # than syscall tracing?
> jz restore_all
> testl $(_TIF_NEED_RESCHED|_TIF_NEED_RESCHED_DELAYED), %ecx
> jnz work_resched
>
> The hwclock page_fault happens at the
> movl TI_flags(%ebp), %ecx
> line.
hm, weird - maybe something corrupts %ebp here? Could you try to add
this to before the faulting instruction:
GET_THREAD_INFO(%ebp)
this will make sure %ebp has the right contents.
Ingo
next prev parent reply other threads:[~2006-11-19 13:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-18 16:30 2.6.19-rc6-rt4, changed yum repository Ingo Molnar
2006-11-19 14:39 ` Karsten Wiese
2006-11-19 13:43 ` Ingo Molnar [this message]
2006-11-19 20:56 ` Karsten Wiese
2006-11-19 21:14 ` Ingo Molnar
2006-11-21 0:04 ` Karsten Wiese
2006-11-19 14:42 ` Robert Schwebel
2006-11-20 14:14 ` Sergio Monteiro Basto
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