Re: mce after linux-3.11.5-1 on NP900X3C

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On 11/19/2014 12:15 PM, Rasmus Liland wrote:
> On 2014-11-17 00:19, Rasmus Liland wrote:
>> On 2014-11-15 18:28, Mark Lee wrote:
>>> On 11/15/2014 12:20 PM, Rasmus Liland wrote:
>>>> On 2014-11-15 15:21, LoneVVolf wrote:
>>>>> On 15-11-14 06:57, Rasmus Liland wrote:
>>>>>> On 2014-11-15 06:10, Mark Lee wrote:
>>>>>>> On 11/14/2014 10:29 PM, Rasmus Liland wrote:
>>>>>>>> On 2014-11-15 04:01, Mark Lee wrote:
>>>>>>>>> Are you booting with the new intel u-code?
>>>>>>>> Are you fairly sure this is a Intel microcode issue?
>>>>>>> I'm not completely certain; but it would make sense.
>>>>>>> I'd test it out.
>>>>>> Thank you for your help thus far. I'll examine this
>>>>>> further tomorrow, g'night.
>>>>> From rasmus first post:
>>>>>> I'm experiencing machine check exceptions since every
>>>>>> kernel after package linux-3.11.5-1 (Oct 14 2013)
>>>>> New intel microcode was only introduced with kernel 3.17
>>>>> ... It's unlikely to have to do with this issue.
>>>>> 
>>>>> install mcelog, run it as the log tells you and post the
>>>>> result.
>>>> [ ... output, see previous messages ... ] I never did use the
>>>> mcelog tool before, but to me it looks like not much of an
>>>> analysis, perhaps I'm doing it wrong.
>>> Looks like a microcode error, please try to add the intel-ucode
>>> to your kernel cmdline.
>> Bah, just as I was finished enabling syslinux using
>> syslinux-install_update and rebooted, the system did not respond,
>> just a blank screen and lighting shutting off, then rebooting
>> again.
>> 
>> Thus, this system needs an overhaul -- apparently some difficulty
>> with the bootcode or the MBR, though I am able to mount the old
>> partitions and chroot into them using arch-chroot.
>> 
>> I tried installing grub using the standard method grub-install
>> according to the wiki, with little success -- some good news at
>> least relevant to previous topic in this thread is that grub
>> recognized and added the intel-ucode file I had copied to the
>> /boot directory, when running grub-mkconfig.
>> 
>> The plan forward is to forget about generating new mbr using
>> gpart and install Debian at the end of the disk to, hopefully,
>> restore some boot related stuff that might have come crashing
>> down after meddling with syslinux.
> 
> A breakthrough in this thread has happened.
> 
> I ended up taking a backup of the disk to an external hdd using
> 
>> # dd if=/dev/sda of=/mnt/angrist-sda-18nov14.img
> 
> then I booted FreeBSD 10.1 memstick, entered shell and entered some
> commands:
> 
>> # gpart delete -i 1 ada0 # gpart delete -i 2 ada0 # gpart delete
>> -i 3 ada0 # gpart destroy ada0 # gpart create -s mbr ada0 # gpart
>> add -s 20g -t linux-data ada0 # gpart add -t linux-data ada0
> 
> Then I rebooted into ArchLinux iso memstick to install Arch on the
> 20G partition and using the other one as /home. So now Syslinux
> works, unfortunately I don't know why. And I was able to install
> all new packages including linux 3.17.3-1 and intel-ucode
> 20140913-1, loading it in Syslinux according to the wiki.
> 
> I got a new mce after exactly three hours:
> 
>> [10827.051523] mce: [Hardware Error]: CPU 1: Machine Check
>> Exception: 5 Bank 4: b200000000100402 Increasing limit for this
>> warning to that value arg [10827.051632] mce: [Hardware Error]:
>> RIP !INEXACT! 10:<ffffffff81321387> {intel_idle+0xe7/0x180} 
>> [10827.055440] mce: [Hardware Error]: TSC 2238c73db17 
>> [10827.059291] mce: [Hardware Error]: PROCESSOR 0:306a9 TIME
>> 1416411506 SOCKET 0 APIC 1 microcode 1b [10827.063192] mce:
>> [Hardware Error]: Run the above through 'mcelog --ascii' 
>> [10827.067078] mce: [Hardware Error]: CPU 3: Machine Check
>> Exception: 5 Bank 4: b200000000100402 [10827.070986] mce:
>> [Hardware Error]: RIP !INEXACT! 10:<ffffffff81321387>
>> {intel_idle+0xe7/0x180} [10827.074899] mce: [Hardware Error]: TSC
>> 2238c73db43 [10827.078769] mce: [Hardware Error]: PROCESSOR
>> 0:306a9 TIME 1416411506 SOCKET 0 APIC 3 microcode 1b 
>> [10827.082673] mce: [Hardware Error]: Run the above through
>> 'mcelog --ascii' [10827.086569] mce: [Hardware Error]: CPU 2:
>> Machine Check Exception: 5 Bank 4: b200000000100402 
>> [10827.090503] mce: [Hardware Error]: RIP !INEXACT!
>> 10:<ffffffff812ab186> {intel_sqrt+0x36/0x50} [10827.094415] mce:
>> [Hardware Error]: TSC 2238c73db28 [10827.098299] mce: [Hardware
>> Error]: PROCESSOR 0:306a9 TIME 1416411506 SOCKET 0 APIC 2
>> microcode 1b [10827.102242] mce: [Hardware Error]: Run the above
>> through 'mcelog --ascii' [10827.106182] mce: [Hardware Error]:
>> CPU 0: Machine Check Exception: 5 Bank 4: b200000000100402 
>> [10827.110177] mce: [Hardware Error]: RIP !INEXACT!
>> 10:<ffffffff81321387> {intel_idle+0xe7/0x180} [10827.114143] mce:
>> [Hardware Error]: TSC 2238c73db06 [10827.118038] mce: [Hardware
>> Error]: PROCESSOR 0:306a9 TIME 1416411506 SOCKET 0 APIC 0
>> microcode 1b [10827.122028] mce: [Hardware Error]: Run the above
>> through 'mcelog --ascii' [10827.126037] mce: [Hardware Error]:
>> Machine check: Processor context corrupt [10827.130076] Kernel
>> panic - not syncing: Fatal Machine check [10827.134149] Kernel
>> Offset: 0x0 from 0xffffffff81000000 (relocation range:
>> 0xffffffff80000000-0xffffffff9fffffff) [10827.136647]
>> drm_kms_helper: panic occured, switching back to text console 
>> [10827.163009] Rebooting in 30 seconds.. [10857.234707] ACPI
>> MEMORY or I/O RESET_REG.
> 
> I am also making this output an attachment. There is a lot of more 
> information in this new mce compared to the other one I sent.
> 
> Perhaps some of you got some new suggestions.
> 
> Meanwhile, I am downgrading back to 3.11.5-1.
> 

To Rasmus,

Can you run the parts where it says "run the abvoe through mcelog
- --ascii" and post the contents?

Regards,
Mark
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