Looks like this: http://bugs.centos.org/view.php?id=5371
According to the latest comment in that thread the current kernel package
220.4.1 should have this fixed.
Regards,
Dennis
On 02/06/2012 02:40 PM, Jonathan Vomacka wrote:
> CentOS Community,
>
> Would someone who is familiar with reading boot messages and kernel
> errors be able to assist with advising me on what the following errors
> might mean in dmesg. It seems to come up randomly towards the end of the
> logfile.
>
> ------------[ cut here ]------------
> WARNING: at arch/x86/kernel/cpu/mtrr/generic.c:467
> generic_get_mtrr+0x11e/0x140() (Not tainted)
> Hardware name: empty
> mtrr: your BIOS has set up an incorrect mask, fixing it up.
> Modules linked in:
> Pid: 0, comm: swapper Not tainted 2.6.32-220.2.1.el6.x86_64 #1
> Call Trace:
> [<ffffffff81069997>] ? warn_slowpath_common+0x87/0xc0
> [<ffffffff81069a86>] ? warn_slowpath_fmt+0x46/0x50
> [<ffffffff8102713e>] ? generic_get_mtrr+0x11e/0x140
> [<ffffffff81c2bfd1>] ? mtrr_cleanup+0x8c/0x3fd
> [<ffffffff81c2ae47>] ? get_mtrr_state+0x2ec/0x2fb
> [<ffffffff81c2a988>] ? mtrr_bp_init+0x1ab/0x1d2
> [<ffffffff81c254d8>] ? setup_arch+0x4b8/0xaea
> [<ffffffff814ec4c5>] ? printk+0x41/0x44
> [<ffffffff81c1fc2e>] ? start_kernel+0xdc/0x430
> [<ffffffff81c1f33a>] ? x86_64_start_reservations+0x125/0x129
> [<ffffffff81c1f438>] ? x86_64_start_kernel+0xfa/0x109
> ---[ end trace a7919e7f17c0a725 ]---
>
> ------------[ cut here ]------------
> WARNING: at kernel/sched.c:5914 thread_return+0x232/0x79d() (Tainted: G
> W
> ---------------- )
> Hardware name: empty
> Modules linked in: ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state
> nf_conntrack ip6table_filter ip6_tables ipv6 raid1 e1000e serio_raw i2c_i801
> i2c_core sg iTCO_wdt iTCO_vendor_support ioatdma dca i5000_edac edac_core
> i5k_amb shpchp ext4 mbcache jbd2 raid10 sd_mod crc_t10dif ahci pata_acpi
> ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded:
> scsi_wait_scan]
> Pid: 5696, comm: md1_resync Tainted: G W ----------------
> 2.6.32-220.2.1.el6.x86_64 #1
> Call Trace:
> [<ffffffff81069997>] ? warn_slowpath_common+0x87/0xc0
> [<ffffffff810699ea>] ? warn_slowpath_null+0x1a/0x20
> [<ffffffff814eccc5>] ? thread_return+0x232/0x79d
> [<ffffffffa0073654>] ? raise_barrier+0xb4/0x1e0 [raid10]
> [<ffffffff8105e770>] ? default_wake_function+0x0/0x20
> [<ffffffffa00747d1>] ? sync_request+0x541/0xa70 [raid10]
> [<ffffffffa0073599>] ? raid10_unplug+0x29/0x30 [raid10]
> [<ffffffff813ea428>] ? is_mddev_idle+0xc8/0x120
> [<ffffffff813eab6d>] ? md_do_sync+0x6ad/0xbe0
> [<ffffffff813eb336>] ? md_thread+0x116/0x150
> [<ffffffff813eb220>] ? md_thread+0x0/0x150
> [<ffffffff810906a6>] ? kthread+0x96/0xa0
> [<ffffffff8100c14a>] ? child_rip+0xa/0x20
> [<ffffffff81090610>] ? kthread+0x0/0xa0
> [<ffffffff8100c140>] ? child_rip+0x0/0x20
> ---[ end trace a7919e7f17c0a727 ]---
> md: md1: data-check done.
>
> x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
> ------------[ cut here ]------------
> WARNING: at arch/x86/kernel/cpu/mtrr/generic.c:467
> generic_get_mtrr+0x11e/0x140() (Not tainted)
> Hardware name: empty
> mtrr: your BIOS has set up an incorrect mask, fixing it up.
> Modules linked in:
> Pid: 0, comm: swapper Not tainted 2.6.32-220.4.1.el6.x86_64 #1
> Call Trace:
> [<ffffffff81069a17>] ? warn_slowpath_common+0x87/0xc0
> [<ffffffff81069b06>] ? warn_slowpath_fmt+0x46/0x50
> [<ffffffff8102713e>] ? generic_get_mtrr+0x11e/0x140
> [<ffffffff81c2bfd1>] ? mtrr_cleanup+0x8c/0x3fd
> [<ffffffff81c2ae47>] ? get_mtrr_state+0x2ec/0x2fb
> [<ffffffff81c2a988>] ? mtrr_bp_init+0x1ab/0x1d2
> [<ffffffff81c254d8>] ? setup_arch+0x4b8/0xaea
> [<ffffffff814ec3c6>] ? printk+0x41/0x43
> [<ffffffff81c1fc2e>] ? start_kernel+0xdc/0x430
> [<ffffffff81c1f33a>] ? x86_64_start_reservations+0x125/0x129
> [<ffffffff81c1f438>] ? x86_64_start_kernel+0xfa/0x109
> ---[ end trace a7919e7f17c0a725 ]---
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