Crashing/kernel panics

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Crashing/kernel panics

Post by lurch99 » Wed Jan 09, 2013 9:38 am

We have a 10.6.8 OS Server with 10GB RAM, and bare metal backup drives connected via eSATA, formatted with ZEVO CE 1.1.1, experiencing regular crashes/kernel panics, with the following found in /Library/Logs/DiagnosticReports/Kernel_2013-01-05-085324_Snow-Leopard-Server.panic

Code: Select all
Sat Jan  5 08:53:23 2013
panic(cpu 4 caller 0xffffff7f80c470da): "zio_notify_parent: zero io_children [0, 0], err 0, 0xffffff81a2c91fa0 0 0xffffff81a2c92228\n"@/staging/zevo/src/uts/common/fs/zfs/zio.c:478
Backtrace (CPU 4), Frame : Return Address
0xffffff80d1a9bd70 : 0xffffff8000204d15
0xffffff80d1a9be70 : 0xffffff7f80c470da
0xffffff80d1a9bec0 : 0xffffff7f80c45d31
0xffffff80d1a9bef0 : 0xffffff7f80c43369
0xffffff80d1a9bf30 : 0xffffff7f80bb3c39
0xffffff80d1a9bfa0 : 0xffffff80002c8527
      Kernel Extensions in backtrace (with dependencies):
         com.getgreenbytes.filesystem.zfs(2012.09.23)@0xffffff7f80ba6000->0xffffff7f80ce5fff
            dependency: com.apple.iokit.IOStorageFamily(1.6.3)@0xffffff7f80884000

BSD process name corresponding to current thread: kernel_task

Mac OS version:
10K549

Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun  7 16:32:41 PDT 2011; root:xnu-1504.15.3~1/RELEASE_X86_64
System model name: MacPro4,1 (Mac-F221BEC8)


Any ideas or suggestions?
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zio_notify_parent: zero io_children [0, 0], err 0

Post by grahamperrin » Sat Jan 12, 2013 12:14 pm

Code: Select all
zio_notify_parent: zero io_children [0, 0], err 0


That string appears on page one of a topic where a fix is discussed.
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Re: Crashing/kernel panics

Post by lurch99 » Tue Feb 05, 2013 1:05 am

This issue was resolved by upgrading to OSX 10.8.2. No kernel panics so far (fingers crossed), despite lots of data going back and forth.
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Re: Crashing/kernel panics

Post by stephenmayor » Mon Feb 18, 2013 12:29 am

It is good to hear that the problem was solved. We hope you do not get more such problems in the future.
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