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SarahS93
Guru
Joined: 21 Nov 2013
Posts: 485
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 Posted: Fri Jun 03, 2016 8:55 pm Post subject: After Update from 4.1.15 --> 4.4.6 = Corrupted low memory |
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After Update from 4.1.15 to 4.4.6 dmesg shows me "Corrupted low memory" message:
| Code: | [ 540.904754] Corrupted low memory at ffff88000000a000 (a000 phys) = 00020a0e
[ 540.904763] ------------[ cut here ]------------
[ 540.904772] WARNING: CPU: 5 PID: 725 at arch/x86/kernel/check.c:141 check_for_bios_corruption+0xb9/0x110()
[ 540.904774] Memory corruption detected in low memory
[ 540.904775] Modules linked in: nvidia(PO) x86_pkg_temp_thermal
[ 540.904782] CPU: 5 PID: 725 Comm: kworker/5:1 Tainted: P O 4.4.6-gentoo #1
[ 540.904784] Hardware name: Gigabyte Technology Co., Ltd. P67A-UD4-B3/P67A-UD4-B3, BIOS F8 03/21/2012
[ 540.904788] Workqueue: events check_corruption
[ 540.904790] 0000000000000000 ffff8804183e3d30 ffffffff8148f368 ffff8804183e3d78
[ 540.904794] ffffffff81e345e5 ffff8804183e3d68 ffffffff810d7111 0000000000000000
[ 540.904796] ffff880000010000 ffffffff82295690 0000000000000001 ffff880000000000
[ 540.904800] Call Trace:
[ 540.904806] [<ffffffff8148f368>] dump_stack+0x4d/0x65
[ 540.904810] [<ffffffff810d7111>] warn_slowpath_common+0x81/0xc0
[ 540.904812] [<ffffffff810d7197>] warn_slowpath_fmt+0x47/0x50
[ 540.904816] [<ffffffff8108f949>] check_for_bios_corruption+0xb9/0x110
[ 540.904819] [<ffffffff8108f9a9>] check_corruption+0x9/0x40
[ 540.904823] [<ffffffff810ecece>] process_one_work+0x14e/0x400
[ 540.904825] [<ffffffff810ed496>] worker_thread+0x46/0x440
[ 540.904837] [<ffffffff81a492b5>] ? __schedule+0x355/0x9c0
[ 540.904838] [<ffffffff810ed450>] ? rescuer_thread+0x2d0/0x2d0
[ 540.904839] [<ffffffff810ed450>] ? rescuer_thread+0x2d0/0x2d0
[ 540.904841] [<ffffffff810f20f4>] kthread+0xc4/0xe0
[ 540.904842] [<ffffffff810f2030>] ? kthread_park+0x50/0x50
[ 540.904844] [<ffffffff81a4d3df>] ret_from_fork+0x3f/0x70
[ 540.904845] [<ffffffff810f2030>] ? kthread_park+0x50/0x50
[ 540.904846] ---[ end trace a20df8e27195da9a ]--- |
Syslog show me messages too
| Code: | Jun 3 22:56:25 deruse kernel: Corrupted low memory at ffff88000000a000 (a000 phys) = 000736ba
Jun 3 22:58:25 pc1 kernel: Corrupted low memory at ffff88000000a000 (a000 phys) = 00082ca5
Jun 3 23:01:25 pc1 kernel: Corrupted low memory at ffff88000000a000 (a000 phys) = 000960b2
Jun 3 23:04:25 pc1 kernel: Corrupted low memory at ffff88000000a000 (a000 phys) = 000ac377
Jun 3 23:06:25 pc1 kernel: Corrupted low memory at ffff88000000a000 (a000 phys) = 000f5bbf
Jun 3 23:07:25 pc1 kernel: Corrupted low memory at ffff88000000a000 (a000 phys) = 00150fa1
Jun 3 23:08:25 pc1 kernel: Corrupted low memory at ffff88000000a000 (a000 phys) = 0017c2e5
Jun 3 23:10:25 pc1 kernel: Corrupted low memory at ffff88000000a000 (a000 phys) = 001e13d8 |
Anything wrong with my Hardware?
What have i to do? |
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Ant P.
Watchman
Joined: 18 Apr 2009
Posts: 6026
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| Posted: Fri Jun 03, 2016 10:16 pm Post subject: |
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| This comes from CONFIG_X86_CHECK_BIOS_CORRUPTION=y in the processor type menu. If you already have CONFIG_X86_RESERVE_LOW set to its default value, you don't need to do anything and can turn the first option off. |
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khayyam
Watchman
Joined: 07 Jun 2012
Posts: 6228
Location: Room 101
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| Posted: Fri Jun 03, 2016 10:23 pm Post subject: |
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SarahS93 ...
given that this is "disabled at runtime" (see: help/"?" for this item in menuconfig) and so requires that "memory_corruption_check=1" be set, it is probably a bug. Try the following, either set CONFIG_X86_CHECK_BIOS_CORRUPTION=n (Processor type and features => Check for low memory corruption) and rebuild the kernel, or set 'memory_corruption_check=0' as a kernel parameter (ie, via grub.cfg).
I don't think there is anything is wrong with your hardware/memory, its the driver which seems to be causing the issue (as again, the driver shouldn't be active unless explictly provided 'memory_corruption_check=1').
HTH & best ... khay |
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