linux-kernel - Re: realtime-preempt patch-2.6.18-rt7 oops

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Message-Id: <200611031230.24983.fzu@wemgehoertderstaat.de>
Date:	Fri, 3 Nov 2006 12:30:24 +0100
From:	Karsten Wiese <fzu@...gehoertderstaat.de>
To:	"Rui Nuno Capela" <rncbc@...bc.org>
Cc:	linux-kernel@...r.kernel.org, "Ingo Molnar" <mingo@...e.hu>
Subject: Re: realtime-preempt patch-2.6.18-rt7 oops

Am Donnerstag, 2. November 2006 11:43 schrieb Rui Nuno Capela:
> 
> While on UP kernels everything works great and without major issues to
> report, problem goes here on the SMP/HT one. Simple fact: it hangs,
> freezes in some non-deterministic ways. However, sometimes, it is just a
> matter of a couple of dozen clicks while browsing over those
> funky-ajax-enabled-web2 sites :)
> 
> ........
> 
> Call Trace:
>  [<c011e631>] __activate_task+0x21/0x40
>  [<c01209b1>] try_to_wake_up+0x321/0x450
>  [<c0144822>] wakeup_next_waiter+0xd2/0x1d0
>  [<c0120b59>] wake_up_process_mutex+0x19/0x20
>  [<c0300531>] rt_spin_lock_slowunlock+0x41/0x70
>  [<c02ff34c>] __schedule+0xc0c/0xee0
>  [<c014091a>] hrtimer_interrupt+0x18a/0x250

Does it make a difference, if you build & run with
CONFIG_HIGH_RES_TIMERS disabled?

      Karsten
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