** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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Title:
Hard Freeze (Kernel Panic) During Heavy Disk I/O on ext4
To mana
DiagonalArg, if you have a bug in Ubuntu, the Ubuntu Kernel team, Ubuntu Bug
Control team, and Ubuntu Bug Squad would like you to please file a new report
by executing the following in a terminal while booted into a Ubuntu repository
kernel (not a mainline one) via:
ubuntu-bug linux
For more on
I'm having similar problems trying to copy 1/2T of data. The system is
repeatedly freezing during a "cp" command. (12.04.2, fully updated.)
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Title
I should mention that I wasn't even doing heavy disk I/O when this
occurred...
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Title:
Hard Freeze (Kernel Panic) During Heavy Disk I/O on ext4
I apologize that I haven't had time to try to induce/capture the panic,
but it's still on my radar.
This is particularly true since it just happened a moment ago, forcing a
hard reset and loss of research data :(
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I'll try to set up netconsole and reproduce this weekend, since the
nature of the problem doesn't allow the panic to get written to local
log files.
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It looks like following
https://wiki.ubuntu.com/Kernel/CrashdumpRecipe?action=show&redirect=KernelTeam%2FCrashdumpRecipe
is fairly involved. I'm slightly concerned about borking my primary
computer which I use for research. If anyone has comments or suggestions
for a less invasive diagnosis, let me
