-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 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@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 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iF4EAREIAAYFAlRmweYACgkQZ/Z80n6+J/ZQyQD+I4yYLZlnxr/8gRRlP94HDYDm C5eUXzAh+/ghqPj3cHcBAJVrEG8gMHK9XG8hZn4j/0uFoZgIZrOk5aqxRgK0lj7k =hJNM -----END PGP SIGNATURE-----
