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From: Robin Atwood <robin.atwood@attglobal.net>
To: gentoo-user@lists.gentoo.org
Subject: [gentoo-user] Processes hang - system dies
Date: Sat, 5 Jan 2013 21:05:30 +0700
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I have a very severe problem after a recent disk replacement. After a few days 
running, all new processes just hang. The kernel reports:

Jan  5 02:25:36 opal kernel: INFO: task mysqld:11387 blocked for more than 120 
seconds.
Jan  5 02:25:36 opal kernel: "echo 0 > 
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan  5 02:25:36 opal kernel: mysqld          D 0000000000000000     0 11387      
1 0x00000000
Jan  5 02:25:36 opal kernel: ffff880012caccc0 0000000000000082 
0000000000011280 ffff88012f08c660
Jan  5 02:25:36 opal kernel: 0000000000011280 ffff88012920dfd8 
0000000000011280 ffff88012920c010
Jan  5 02:25:36 opal kernel: ffff88012920dfd8 0000000000011280 
ffff880012caccc0 0000000000011280
Jan  5 02:25:36 opal kernel: Call Trace:
Jan  5 02:25:36 opal kernel: [<ffffffff810b9caf>] ? 
find_get_pages_tag+0xef/0x1a0
Jan  5 02:25:36 opal kernel: [<ffffffff8102c455>] ? 
default_spin_lock_flags+0x5/0x10
Jan  5 02:25:36 opal kernel: [<ffffffff8143401b>] ? 
_raw_spin_lock_irqsave+0x3b/0x60
Jan  5 02:25:36 opal kernel: [<ffffffff81046ec3>] ? lock_timer_base+0x33/0x70
Jan  5 02:25:36 opal kernel: [<ffffffff8107a609>] ? 
debug_mutex_add_waiter+0x29/0x70
Jan  5 02:25:36 opal kernel: [<ffffffff814312cf>] ? 
__mutex_lock_slowpath+0x22f/0x310
Jan  5 02:25:36 opal kernel: [<ffffffff8102c455>] ? 
default_spin_lock_flags+0x5/0x10
Jan  5 02:25:36 opal kernel: [<ffffffff8143401b>] ? 
_raw_spin_lock_irqsave+0x3b/0x60
Jan  5 02:25:36 opal kernel: [<ffffffff8118cd81>] ? queue_log_writer+0x91/0xe0
Jan  5 02:25:36 opal kernel: [<ffffffff81066a80>] ? try_to_wake_up+0x2b0/0x2b0
Jan  5 02:25:36 opal kernel: [<ffffffff81192e10>] ? 
reiserfs_commit_for_inode+0x140/0x230
Jan  5 02:25:36 opal kernel: [<ffffffff81179e87>] ? 
reiserfs_sync_file+0x97/0x120
Jan  5 02:25:36 opal kernel: [<ffffffff811290b1>] ? do_fsync+0x31/0x70
Jan  5 02:25:36 opal kernel: [<ffffffff810ff76c>] ? sys_pwrite64+0x7c/0xb0
Jan  5 02:25:36 opal kernel: [<ffffffff8112911b>] ? sys_fsync+0xb/0x20
Jan  5 02:25:36 opal kernel: [<ffffffff81434a39>] ? 
system_call_fastpath+0x16/0x1b
Jan  5 02:25:36 opal kernel: INFO: task kworker/1:1:27685 blocked for more 
than 120 seconds.
Jan  5 02:25:36 opal kernel: "echo 0 > 
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan  5 02:25:36 opal kernel: kworker/1:1     D ffff880005ee5980     0 27685      
2 0x00000000
Jan  5 02:25:36 opal kernel: ffff880005ee5980 0000000000000046 
0000000000000000 ffff880128354660
Jan  5 02:25:36 opal kernel: 0000000000011280 ffff8801018e3fd8 
0000000000011280 ffff8801018e2010
Jan  5 02:25:36 opal kernel: ffff8801018e3fd8 0000000000011280 
ffff880005ee5980 0000000000011280
Jan  5 02:25:36 opal kernel: Call Trace:
Jan  5 02:25:36 opal kernel: [<ffffffff81066a80>] ? try_to_wake_up+0x2b0/0x2b0
Jan  5 02:25:36 opal kernel: [<ffffffff8106ac92>] ? load_balance+0x102/0x790
Jan  5 02:25:36 opal kernel: [<ffffffff8105fbd0>] ? __wake_up_common+0x50/0x80
Jan  5 02:25:36 opal kernel: [<ffffffff8107a609>] ? 
debug_mutex_add_waiter+0x29/0x70
Jan  5 02:25:36 opal kernel: [<ffffffff814312cf>] ? 
__mutex_lock_slowpath+0x22f/0x310
Jan  5 02:25:36 opal kernel: [<ffffffff8107a609>] ? 
debug_mutex_add_waiter+0x29/0x70
Jan  5 02:25:36 opal kernel: [<ffffffff814312cf>] ? 
__mutex_lock_slowpath+0x22f/0x310
Jan  5 02:25:36 opal kernel: [<ffffffff8102c455>] ? 
default_spin_lock_flags+0x5/0x10
Jan  5 02:25:36 opal kernel: [<ffffffff8143401b>] ? 
_raw_spin_lock_irqsave+0x3b/0x60
Jan  5 02:25:36 opal kernel: [<ffffffff8118cd81>] ? queue_log_writer+0x91/0xe0
Jan  5 02:25:36 opal kernel: [<ffffffff81066a80>] ? try_to_wake_up+0x2b0/0x2b0
Jan  5 02:25:36 opal kernel: [<ffffffff8118f3f6>] ? do_journal_end+0x1d6/0xf00
Jan  5 02:25:36 opal kernel: [<ffffffff8117ff20>] ? reiserfs_sync_fs+0x70/0x70
Jan  5 02:25:36 opal kernel: [<ffffffff8117ff00>] ? reiserfs_sync_fs+0x50/0x70
Jan  5 02:25:36 opal kernel: [<ffffffff8117ff5e>] ? 
flush_old_commits+0x3e/0x60
Jan  5 02:25:36 opal kernel: [<ffffffff8105054c>] ? 
process_one_work+0x14c/0x450
Jan  5 02:25:36 opal kernel: [<ffffffff81050c8f>] ? worker_thread+0x13f/0x4d0
Jan  5 02:25:36 opal kernel: [<ffffffff81050b50>] ? manage_workers+0x300/0x300
Jan  5 02:25:36 opal kernel: [<ffffffff81050b50>] ? manage_workers+0x300/0x300
Jan  5 02:25:36 opal kernel: [<ffffffff810578de>] ? kthread+0x9e/0xb0
Jan  5 02:25:36 opal kernel: [<ffffffff81435ac4>] ? 
kernel_thread_helper+0x4/0x10
Jan  5 02:25:36 opal kernel: [<ffffffff81057840>] ? 
kthread_freezable_should_stop+0x60/0x60
Jan  5 02:25:36 opal kernel: [<ffffffff81435ac0>] ? gs_change+0x13/0x13

I think it only occurs when I am using the machine in graphic mode (NVidia 
binary drivers) but am not positive. I have rebuilt the system assuming some 
corruption after the disk restore and built a new kernel but it makes no 
difference. The only sure thing is this never happened before the new disk; 
the trace-backs do seem to indicate it's trying to write but I did manage to 
write a small file to a partition, so the file-system seems OK. Once this 
happens the system is toast, sync, reboot and umount commands just hang, only 
Alt-Sysrq-B does anything. I would be grateful for any suggestions!

TIA
-Robin
-- 
----------------------------------------------------------------------
Robin Atwood.

"Ship me somewheres east of Suez, where the best is like the worst,
 Where there ain't no Ten Commandments an' a man can raise a thirst"
         from "Mandalay" by Rudyard Kipling
----------------------------------------------------------------------









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<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">I have a very severe problem after a recent disk replacement. After a few days running, all new processes just hang. The kernel reports:</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: INFO: task mysqld:11387 blocked for more than 120 seconds.</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: &quot;echo 0 &gt; /proc/sys/kernel/hung_task_timeout_secs&quot; disables this message.</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: mysqld          D 0000000000000000     0 11387      1 0x00000000</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: ffff880012caccc0 0000000000000082 0000000000011280 ffff88012f08c660</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: 0000000000011280 ffff88012920dfd8 0000000000011280 ffff88012920c010</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: ffff88012920dfd8 0000000000011280 ffff880012caccc0 0000000000011280</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: Call Trace:</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff810b9caf&gt;] ? find_get_pages_tag+0xef/0x1a0</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8102c455&gt;] ? default_spin_lock_flags+0x5/0x10</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8143401b&gt;] ? _raw_spin_lock_irqsave+0x3b/0x60</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81046ec3&gt;] ? lock_timer_base+0x33/0x70</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8107a609&gt;] ? debug_mutex_add_waiter+0x29/0x70</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff814312cf&gt;] ? __mutex_lock_slowpath+0x22f/0x310</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8102c455&gt;] ? default_spin_lock_flags+0x5/0x10</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8143401b&gt;] ? _raw_spin_lock_irqsave+0x3b/0x60</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8118cd81&gt;] ? queue_log_writer+0x91/0xe0</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81066a80&gt;] ? try_to_wake_up+0x2b0/0x2b0</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81192e10&gt;] ? reiserfs_commit_for_inode+0x140/0x230</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81179e87&gt;] ? reiserfs_sync_file+0x97/0x120</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff811290b1&gt;] ? do_fsync+0x31/0x70</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff810ff76c&gt;] ? sys_pwrite64+0x7c/0xb0</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8112911b&gt;] ? sys_fsync+0xb/0x20</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81434a39&gt;] ? system_call_fastpath+0x16/0x1b</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: INFO: task kworker/1:1:27685 blocked for more than 120 seconds.</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: &quot;echo 0 &gt; /proc/sys/kernel/hung_task_timeout_secs&quot; disables this message.</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: kworker/1:1     D ffff880005ee5980     0 27685      2 0x00000000</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: ffff880005ee5980 0000000000000046 0000000000000000 ffff880128354660</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: 0000000000011280 ffff8801018e3fd8 0000000000011280 ffff8801018e2010</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: ffff8801018e3fd8 0000000000011280 ffff880005ee5980 0000000000011280</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: Call Trace:</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81066a80&gt;] ? try_to_wake_up+0x2b0/0x2b0</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8106ac92&gt;] ? load_balance+0x102/0x790</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8105fbd0&gt;] ? __wake_up_common+0x50/0x80</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8107a609&gt;] ? debug_mutex_add_waiter+0x29/0x70</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff814312cf&gt;] ? __mutex_lock_slowpath+0x22f/0x310</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8107a609&gt;] ? debug_mutex_add_waiter+0x29/0x70</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff814312cf&gt;] ? __mutex_lock_slowpath+0x22f/0x310</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8102c455&gt;] ? default_spin_lock_flags+0x5/0x10</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8143401b&gt;] ? _raw_spin_lock_irqsave+0x3b/0x60</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8118cd81&gt;] ? queue_log_writer+0x91/0xe0</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81066a80&gt;] ? try_to_wake_up+0x2b0/0x2b0</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8118f3f6&gt;] ? do_journal_end+0x1d6/0xf00</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8117ff20&gt;] ? reiserfs_sync_fs+0x70/0x70</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8117ff00&gt;] ? reiserfs_sync_fs+0x50/0x70</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8117ff5e&gt;] ? flush_old_commits+0x3e/0x60</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff8105054c&gt;] ? process_one_work+0x14c/0x450</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81050c8f&gt;] ? worker_thread+0x13f/0x4d0</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81050b50&gt;] ? manage_workers+0x300/0x300</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81050b50&gt;] ? manage_workers+0x300/0x300</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff810578de&gt;] ? kthread+0x9e/0xb0</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81435ac4&gt;] ? kernel_thread_helper+0x4/0x10</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81057840&gt;] ? kthread_freezable_should_stop+0x60/0x60</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Jan  5 02:25:36 opal kernel: [&lt;ffffffff81435ac0&gt;] ? gs_change+0x13/0x13</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">I think it only occurs when I am using the machine in graphic mode (NVidia binary drivers) but am not positive. I have rebuilt the system assuming some corruption after the disk restore and built a new kernel but it makes no difference. The only sure thing is this never happened before the new disk; the trace-backs do seem to indicate it's trying to write but I did manage to write a small file to a partition, so the file-system seems OK. Once this happens the system is toast, sync, reboot and umount commands just hang, only Alt-Sysrq-B does anything. I would be grateful for any suggestions!</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">TIA</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">-Robin</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">-- </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">----------------------------------------------------------------------</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Robin Atwood.</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">&quot;Ship me somewheres east of Suez, where the best is like the worst,</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"> Where there ain't no Ten Commandments an' a man can raise a thirst&quot;</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">         from &quot;Mandalay&quot; by Rudyard Kipling</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">----------------------------------------------------------------------</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; ">&nbsp;</p></body></html>
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