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To: Martin Lorenz <martin@lorenz.eu.org>
Cc: linux-kernel@vger.kernel.org, jbeulich@novell.com
Subject: Re: 2.6.19-rc3: more DWARFs and strange messages
References: <20061028200151.GC5619@gimli>
From: Andi Kleen <ak@suse.de>
Date: 31 Oct 2006 15:31:41 +0100
In-Reply-To: <20061028200151.GC5619@gimli>
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Martin Lorenz <martin@lorenz.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?

> [18504.980000]
> [18504.980000] Leftover inexact backtrace:
> [18504.980000]
> [18504.980000]  =======================
> 

-Andi
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