linux-kernel - Re: 2.6.19-rc3: more DWARFs and strange messages

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Date:	Tue, 31 Oct 2006 17:08:15 +0100
From:	Martin Lorenz <martin@...enz.eu.org>
To:	Andi Kleen <ak@...e.de>
Cc:	linux-kernel@...r.kernel.org, jbeulich@...ell.com
Subject: Re: 2.6.19-rc3: more DWARFs and strange messages

On Tue, Oct 31, 2006 at 03:31:41PM +0100, Andi Kleen wrote:
> Martin Lorenz <martin@...enz.eu.org> writes:
> 
> > and quite a few of those:
> > 
> > [18504.980000] BUG: warning at kernel/cpu.c:56/unlock_cpu_hotplug()
> > [18504.980000]  [<c0103bdd>] dump_trace+0x69/0x1af
> > [18504.980000]  [<c0103d3b>] show_trace_log_lvl+0x18/0x2c
> > [18504.980000]  [<c01043da>] show_trace+0xf/0x11
> > [18504.980000]  [<c01044dd>] dump_stack+0x15/0x17
> > [18504.980000]  [<c0135e94>] unlock_cpu_hotplug+0x3d/0x66
> > [18504.980000]  [<f92e67f3>] do_dbs_timer+0x1c2/0x229 [cpufreq_ondemand]
> > [18504.980000]  [<c012ccb1>] run_workqueue+0x83/0xc5
> > [18504.980000]  [<c012d5d5>] worker_thread+0xd9/0x10c
> > [18504.980000]  [<c012fb36>] kthread+0xc2/0xf0
> > [18504.980000]  [<c010398b>] kernel_thread_helper+0x7/0x10
> > [18504.980000] DWARF2 unwinder stuck at kernel_thread_helper+0x7/0x10
> 
> What gcc / binutils version do you use?
$ gcc --version
gcc (GCC) 4.1.2 20061020 (prerelease) (Debian 4.1.1-17)

dpkg says:
ii  gcc                        4.1.1-13

$ ar --version
GNU ar 2.17 Debian GNU/Linux

dpkg says:
ii  binutils                   2.17-3


> 
> > [18504.980000]
> > [18504.980000] Leftover inexact backtrace:
> > [18504.980000]
> > [18504.980000]  =======================
> > 
> 
> -Andi
> -
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gruss
  mlo
--
Dipl.-Ing. Martin Lorenz

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