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PostPosted: Tue Jan 26, 2010 4:26 pm 
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I'm running a Macbook with SnowLeopard and backing up to my HP EX490 via Time Machine. Both are running the latest patches of their respective OSes.

Often, when it hasn't backed up in a couple of days, I'm getting kernel panics when it first starts to actually back up (i.e. after the "calculating changes" finishes). According to the crash logs, it looks like the problem is with the hpVDproxy program.

Has anyone else seen this? Is there a way I can report this issue to HP?

Below is an example of the top of the crash log:

panic(cpu 0 caller 0x226820): "thread_invoke: preemption_level -1, possible cause: unlocking an unlocked mutex or spinlock"@/SourceCache/xnu/xnu-1486.2.11/osfmk/kern/sched_prim.c:1471
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x52613d68 : 0x21b2bd (0x5cf868 0x52613d9c 0x223719 0x0)
0x52613db8 : 0x226820 (0x5876cc 0xffffffff 0x587664 0x225ec4)
0x52613e38 : 0x226f27 (0xa72f3f0 0x0 0x52613ec8 0xffffffff)
0x52613ea8 : 0x226fb5 (0x210aa3 0x0 0x0 0xa72f3d4)
0x52613ec8 : 0x211910 (0x210aa3 0x7000006 0x800 0x0)
0x52613ef8 : 0x216b92 (0x13ceebcc 0x7000006 0x800 0x0)
0x52613f78 : 0x292834 (0x99d7948 0x0 0x0 0x0)
0x52613fc8 : 0x29e44d (0x99d7944 0x0 0x10 0x86675a4)

BSD process name corresponding to current thread: hpVDProxy

[...snip...]


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PostPosted: Tue Jan 26, 2010 4:48 pm 
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I have not seen any kernel panics with my EX490 on either of my systems. How long has your Ex490 been up and running? Do you boot into the 64 bit kernel?

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PostPosted: Wed Jan 27, 2010 1:12 pm 
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System is booted in 32bit kernel. Not exactly sure of the uptime on the EX490, but it's been rebooted a couple of times in the past month.


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PostPosted: Wed Jan 27, 2010 1:42 pm 
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You're fortunate. I usually need to reboot mine a couple of times a week. Of course, that's one of the reasons why I mainly use Macs.

Did you install the connector software from the DVD, or from the software share on the server? Have you tried reinstalling the connector software? Are these kernel panics something recent, or have they been going on since you first installed the connector?

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PostPosted: Thu Jan 28, 2010 9:49 am 
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I installed the software from the server. They started in Dec, I think, but I'm not 100% sure: I don't recall them from earlier.


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PostPosted: Tue Feb 02, 2010 8:59 am 
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Similar thing happened last night with hpMSSAgent.



Interval Since Last Panic Report: 245190 sec
Panics Since Last Report: 1
Anonymous UUID: 56BAB5C5-7110-4577-858F-8D9BC01A4504

Tue Feb 2 08:27:16 2010
panic(cpu 1 caller 0x226820): "thread_invoke: preemption_level -1, possible cause: unlocking an unlocked mutex or spinlock"@/SourceCache/xnu/xnu-1486.2.11/osfmk/kern/sched_prim.c:1471
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x5859be28 : 0x21b2bd (0x5cf868 0x5859be5c 0x223719 0x0)
0x5859be78 : 0x226820 (0x5876cc 0xffffffff 0x587664 0x225ec4)
0x5859bef8 : 0x226f27 (0x8a397c4 0x10 0x1 0x0)
0x5859bf68 : 0x218f16 (0x29d655 0x0 0x1 0x4ee76a)
0x5859bfa8 : 0x2a6a07 (0xffffffff 0x1 0x5859bfc8 0x8680ea4)
0x5859bfc8 : 0x29d866 (0x0 0x0 0x10 0x8680ea4)

BSD process name corresponding to current thread: hpMSSAgent

Mac OS version:
10C540

Kernel version:
Darwin Kernel Version 10.2.0: Tue Nov 3 10:37:10 PST 2009; root:xnu-1486.2.11~1/RELEASE_I386
System model name: MacBook5,1 (Mac-F42D89C8)


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PostPosted: Wed Aug 18, 2010 8:26 am 
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I've run into this problem about 2-3 times. I think it's related to hard disk corruption on the mac. I'd suggest rebooting using your system CD and running disk utility on your HD, or rebooting using Command-S and running fsck -fy at the root prompt.

http://support.apple.com/kb/ts1417

So far, fsck has found minor corruption issues each time, and repairing the HD has stopped the recurrence of the kernel panic mutex issue.

-alan


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PostPosted: Wed Aug 18, 2010 9:50 am 
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I am not sure if this will help but have you tried restoring permissions through OSx's Disk Utility? Sometimes letting that tool run can fix a lot of those sorts of panics. Just a thought.

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PostPosted: Fri Aug 27, 2010 11:22 pm 
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I have this exact same issue with a EX485 and Mac OS X 10.6.4. The Virtual Disk proxy will take my MacOS down once a week or sometimes more often.

Example kernel panic log below.

I'll try repairing disk permissions and fsck per the threads above.

--------

Fri Aug 27 21:30:59 2010
panic(cpu 0 caller 0x2269f0): "thread_invoke: preemption_level -1, possible cause: unlocking an unlocked mutex or spinlock"@/SourceCache/xnu/xnu-1504.7.4/osfmk/kern/sched_prim.c:1476
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x6ef53d68 : 0x21b455 (0x5cf328 0x6ef53d9c 0x2238b1 0x0)
0x6ef53db8 : 0x2269f0 (0x58712c 0xffffffff 0x5870c4 0x2265d1)
0x6ef53e38 : 0x2270f6 (0x822801c 0x0 0x1 0xffffffff)
0x6ef53ea8 : 0x227184 (0x210c2f 0x0 0x0 0x8228000)
0x6ef53ec8 : 0x211a9c (0x210c2f 0x7000006 0x800 0x0)
0x6ef53ef8 : 0x216d1e (0x80a0f14 0x7000006 0x800 0x0)
0x6ef53f78 : 0x293eb4 (0x98de9e8 0x0 0x0 0x0)
0x6ef53fc8 : 0x29f48d (0x98de9e4 0x0 0x10 0x98de9e4)

BSD process name corresponding to current thread: hpVDProxy

Mac OS version:
10F569

Kernel version:
Darwin Kernel Version 10.4.0: Fri Apr 23 18:28:53 PDT 2010; root:xnu-1504.7.4~1/RELEASE_I386
System model name: iMac7,1 (Mac-F42386C8)


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PostPosted: Tue Sep 07, 2010 8:53 pm 
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I ran Disk Utility and repaired permissions, which reported success. (There were definitely errors found and fixed.)

Alas, another kernel panic today. Anyone else have any ideas?

-------

Interval Since Last Panic Report: 113108 sec
Anonymous UUID: 0C2D80BE-080F-468B-8E8B-BE57FA49B1CB

Tue Sep 7 19:20:42 2010
panic(cpu 1 caller 0x2269f0): "thread_invoke: preemption_level -1, possible cause: unlocking an unlocked mutex or spinlock"@/SourceCache/xnu/xnu-1504.7.4/osfmk/kern/sched_prim.c:1476
Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x5c9ab998 : 0x21b455 (0x5cf328 0x5c9ab9cc 0x2238b1 0x0)
0x5c9ab9e8 : 0x2269f0 (0x58712c 0xffffffff 0x5870c4 0x2262b4)
0x5c9aba68 : 0x2270f6 (0x8cd73f0 0x0 0x5c9abbec 0xffffffff)
0x5c9abad8 : 0x227184 (0x0 0x0 0x0 0x8cd73d4)
0x5c9abaf8 : 0x211aa8 (0x0 0x0 0xffffffff 0x0)
0x5c9abb28 : 0x21dee9 (0x92b1744 0x0 0xffffffff 0x0)
0x5c9abb88 : 0x21dfe4 (0x5c9abbc4 0x5c 0x2c 0x0)
0x5c9abba8 : 0x23d2e8 (0x5c9abbc4 0x5c 0x2c 0x0)
0x5c9abc38 : 0x21b741 (0x7e6a500 0xa16fbd0 0x8d845e0 0x1)
0x5c9abee8 : 0x21ba73 (0x8cd73d4 0x1 0x5c9abfa0 0x2)
0x5c9abf38 : 0x2a843f (0x1 0x5c9abfa0 0x2 0x1)
0x5c9abfc8 : 0x29e80a (0x873e004 0x0 0x10 0x9f203a4)

BSD process name corresponding to current thread: hpVDProxy

Mac OS version:
10F569

Kernel version:
Darwin Kernel Version 10.4.0: Fri Apr 23 18:28:53 PDT 2010; root:xnu-1504.7.4~1/RELEASE_I386
System model name: iMac7,1 (Mac-F42386C8)


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