[arch-general] mce after linux-3.11.5-1 on NP900X3C

[Rasmus Liland]

On 2014-11-19 21:48, vixsomnis wrote:
> On November 19, 2014 3:40:38 PM EST, Mark Lee <mark at markelee.com> wrote:
> >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:
> >> 
> >>> [ ... cut, see previously archived message for output ... ]
> >> 
> >> 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:
> >> 
> >>> [ ... cut, see previously archived message for output ... ]
> >> 
> >> 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
> 
> I may have had a similar error, but I can't remember the details. Have you
> checked if your hardware clock is synchronized? It fixed my kernel panic
> issues.
> -- 
> vixsomnis

This is interesting. Do you mean synchronizing via NTP protocol? 

My experience from this laptop is that the RTC quickly becomes desynchronized
at times when I am not able to sync via OpenNTPd, i.e. when I am not
connected to the internet. 

-- 
Rasmus Liland, jrl at jrl.dyndns.dk, jens.rasmus.liland at nmbu.no 
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