Re: 2.6.19-rc3: more DWARFs and strange messages

Jan Beulich
2006-10-31T16:26:27Z

Can you perhaps get us arch/i386/kernel/{entry,process}.o,
.config, and (assuming you can reproduce the original problem)
the raw stack dump obtained with a sufficiently high kstack=
option?

Thanks, Jan

>>> Martin Lorenz <martin@lorenz.eu.org> 31.10.06 17:08 >>>
On Tue, Oct 31, 2006 at 03:31:41PM +0100, Andi Kleen wrote:
> 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?
$ 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
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Dipl.-Ing. Martin Lorenz

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