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

[Mark Lee]

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On 11/14/2014 09:48 PM, Rasmus Liland wrote:
> Dear @arch-general readers,
> 
> I'm experiencing machine check exceptions since every kernel after
> package linux-3.11.5-1 (Oct 14 2013). I hope some nice people will
> be able to assist me or perhaps point me in a direction of
> something fruitful. First here goes some kernel panic output I was
> able to snap on May 25th (I also made it an attachment):
>> [19367.116180] Disabling lock debugging due to kernel taint 
>> [19367.116196] mce: [Hardware Error]: CPU 1: Machine Check
>> Exception: 5 Bank 4: b200000000100402 [19367.116202] mce:
>> [Hardware Error]: RIP !INEXACT! 33:<00007f8b4934c8b7> 
>> [19367.116205] mce: [Hardware Error]: TSC 2824672b8e7 
>> [19367.116211] mce: [Hardware Error]: PROCESSOR 0:306a9 TIME
>> 14010118857 SOCKET 0 APIC 1 microcode 12 [19367.116213] mce:
>> [Hardware Error]: Run the above through 'mcelog --ascii' 
>> [19367.116216] mce: [Hardware Error]: Some CPUs didn't answer in
>> synchronization [19367.116218] mce: [Hardware Error]: Machine
>> check: Invalid [19367.116220] Kernel panic - not syncing: Fatal
>> machine check on current CPU [19368.211815] Shutting down cpus
>> with NMI [19368.222834] Kernel Offset: 0x0 from
>> 0xffffffff81000000  0000 (relocation range:
>> 0xffffffff80000000-0xffffffff9fffffff) [19368.222942]
>> drm_kms_helper: panic occurred, switching back to text console 
>> [19368.245774] Rebooting in 30 seconds [19398.323579] ACPI
>> RECOVERY or RESET_REG.
> 
> Assuming I did a complete system update about 5.4 hours earlier,
> this implies kernel output for linux kernel version 3.14.4.
> 
> This has been the case for every kernel after version 3.11.5; from
> what I can trace in the `/var/cache/pacman/pkg' directory this also
> calls for _at least_ version 3.15.8; I've removed all other
> archived versions as they used valuable space.
> 
> In dmesg output, my good version 3.11.5-1 is called:
>> Linux version 3.11.5-1-ARCH (tobias at T-POWA-LX) (gcc version 4.8.1
>> 20130725 (prerelease) (GCC)) #1 SMP PREEMPT Mon Oct 14 08:31:43
>> CEST 2013
> 
> The hardware of my system is perhaps relevant. I've got a Samsung 
> NP900X3C-A01SE (Jun.2012) laptop:
>> Intel Core i5-3317U CPU @ 1.70GHz stepping 9 microcode 0x12 4GB
>> RAM (3743M/3888M available, 2048M available to graphics) SanDisk
>> SSD U100 128GB, 10.01.04, max UDMA/133 Intel Centrino Advanced-N
>> 6235 AGN, REV=0xB0
> 
> Presuming this is a good starting point, if more specific hardware 
> information is needed in this thread in the future I can add the
> output of e.g. lscpi -vvnn.
> 
> --Rasmus
> 

To Rasmus,

Are you booting with the new intel u-code?

Regards,
Mark
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