Kernel Panic: Early exception with 2.6.29.1-rt8 on x86_64

Kernel Panic: Early exception with 2.6.29.1-rt8 on x86_64

[tom smith]

Hi, I'm using kernel 2.6.29.1 without the rt patch and it works fine,
but with the rt8 patch I recieve a kernel panic immediately after the
bootloader. Both were using the same configuration with the exception
of the realtime preemption options. I previously used 2.6.26.8-rt16
iirc and it worked fine, with the same configuration as well. early
printk is enabled. I have uploaded my .config, lspci, dmesg from a
working kernel, and the crash output from the kernel.
http://www.persuasiveigloo.com/linux/ Thanks for reading, if you think
any other outputs/configs would be helpful to debug this issue I will
gladly upload them. please cc me as I am off list for linux-kernel

Re: Kernel Panic: Early exception with 2.6.29.1-rt8 on x86_64

[Thomas Gleixner]

Tom,

On Mon, 20 Apr 2009, tom smith wrote:

> Hi, I'm using kernel 2.6.29.1 without the rt patch and it works fine,
> but with the rt8 patch I recieve a kernel panic immediately after the
> bootloader. Both were using the same configuration with the exception
> of the realtime preemption options. I previously used 2.6.26.8-rt16
> iirc and it worked fine, with the same configuration as well. early
> printk is enabled. I have uploaded my .config, lspci, dmesg from a
> working kernel, and the crash output from the kernel.
> http://www.persuasiveigloo.com/linux/ Thanks for reading, if you think
> any other outputs/configs would be helpful to debug this issue I will
> gladly upload them. please cc me as I am off list for linux-kernel

Can you please test 2.6.29.1-rt9. It has a fix for this. Thanks for
providing detailed information to debug this issue.

Thanks,

	tglx

Re: Kernel Panic: Early exception with 2.6.29.1-rt8 on x86_64

[tom smith]

2.6.29.1-rt9 works wonderfully. Thanks for the fix!

On Sat, Apr 25, 2009 at 7:04 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
> Tom,
>
> On Mon, 20 Apr 2009, tom smith wrote:
>
>> Hi, I'm using kernel 2.6.29.1 without the rt patch and it works fine,
>> but with the rt8 patch I recieve a kernel panic immediately after the
>> bootloader. Both were using the same configuration with the exception
>> of the realtime preemption options. I previously used 2.6.26.8-rt16
>> iirc and it worked fine, with the same configuration as well. early
>> printk is enabled. I have uploaded my .config, lspci, dmesg from a
>> working kernel, and the crash output from the kernel.
>> http://www.persuasiveigloo.com/linux/ Thanks for reading, if you think
>> any other outputs/configs would be helpful to debug this issue I will
>> gladly upload them. please cc me as I am off list for linux-kernel
>
> Can you please test 2.6.29.1-rt9. It has a fix for this. Thanks for
> providing detailed information to debug this issue.
>
> Thanks,
>
>        tglx
>
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