linux-kernel - Re: PROBLEM: cannot get stable system since 2.6.28 kernel

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Message-ID: <18837.56478.10536.6978@stoffel.org>
Date:	Fri, 13 Feb 2009 15:48:30 -0500
From:	"John Stoffel" <john@...ffel.org>
To:	Philippe Grenard <philippe.grenard@...oste.net>
Cc:	linux-kernel@...r.kernel.org, Len Brown <lenb@...nel.org>
Subject: Re: PROBLEM: cannot get stable system since 2.6.28 kernel

>>>>> "Philippe" == Philippe Grenard <philippe.grenard@...oste.net> writes:

Philippe> On Friday 13 February 2009 19:56:54 Len Brown wrote:
>> dmesg -- assuming you can boot far enough to capture it,
>> may be helpful.
>> 
>> also, disabling PREEMPT may be interesting to try.
>> 
>> cheers,
>> --
>> Len Brown, Intel Open Source Technology Center

Philippe> I tried to disable all "PREEMPT" options in make config, re-compiled 2.6.29-rc4 
Philippe> and managed to get these info before kernel stalls :
Philippe> (Was that what you understood by "disabling PREEMPT" ?)

Philippe> I'll also try to make some diff on the different files to
Philippe> see what changes between working 2.6.27.10 and non-working
Philippe> 2.6.29-rc4

....
Philippe> [   33.663143] input: btnx mouse as /class/input/input9
Philippe> [   36.351195] nvidia: module license 'NVIDIA' taints kernel.
Philippe> [   36.603727] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
Philippe> [   36.603733] nvidia 0000:01:00.0: setting latency timer to 64
Philippe> [   36.603892] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  180.22  Tue Jan  
Philippe> 6 09:15:58 PST 2009
Philippe> [   36.606686] IRQ 16/nvidia: IRQF_DISABLED is not guaranteed on shared IRQs

Here's your problem most probably.  The nVidia graphics module.
Remove that and re-try your system.  Basically, we can't help you when
you use a vendor's binary module.

John
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