linux-kernel - Re: v2.6.22.1-rt1 (-rt2)

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Message-Id: <1184285521.12786.49.camel@cmn3.stanford.edu>
Date:	Thu, 12 Jul 2007 17:12:01 -0700
From:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: v2.6.22.1-rt1 (-rt2)

On Thu, 2007-07-12 at 14:13 +0200, Ingo Molnar wrote:
> we are pleased to announce the v2.6.22.1-rt1 kernel, which can be 
> downloaded from the usual place:
>  
>    http://redhat.com/~mingo/realtime-preempt/
>   
> more info about the -rt patchset can be found in the RT wiki:
>   
>    http://rt.wiki.kernel.org
>  
> This release is a port of -rt to the latest upstream kernel. Thomas' 
> latest -hrt queue is included and also the latest CFS changes. The SMP 
> balancing fix from Sebastien Dugue is included as well.
> 
> to build a 2.6.22.1-rt1 tree, the following patches should be applied:
>  
>    http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.22.1.tar.bz2
>    http://redhat.com/~mingo/realtime-preempt/patch-2.6.22.1-rt1

Just built 2.6.22.1-rt2 and I'm getting this while trying to boot
(copied from the screen of my t61 laptop, 7700 processor)

BUG: spinlock lockup on CPU#1, swapper/0, c318da88
[<c0405f34>] show_trace_log_lvl+0x1a/0x2f
[<c0406a09>] show_trace+-x12/0x14
[<c0406a71>] dump_stack+0x16/0x18
[<c0617a91>] _raw_spin_lock+0xc1/0xe2
[<c061743f>] __spin_lock_irq+0x14/0x16
[<c061541d>] __sched_tex_start+0xd5/0xaef
[<c061600e>] schedule+0xe0/0xfa
[<c0616c15>] rt_spin_lock_slowlock+0xcf/0x14f
[<c061724b>] __rt_spin_lock+0x3d/0x40
[<c0617256>] rt_spin_lock+0x8/0xa
[<c052f95c>] acpi_idle_enter_c3+0x12d/0x232
[<c059af51>] cpuidle_idle_call+0x56/0x79
[<c04033a5>] cpu_idle+0x9d/0xda
[<c0419e21>] start_secondary+0x34e/0x356
[<00000000>] 0x0

".config" used attached (built under fc7)

-- Fernando


View attachment "kernel-2.6.22-i686-rt.config.fc7" of type "text/plain" (74770 bytes)