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Bug#652484: linux-image-3.1.0-1-amd64: kernel oops when USB drive hot unplugged



On Sat, 2011-12-17 at 11:57 -0600, Andrew Varner wrote:
> Package: linux-2.6
> Version: 3.1.1-1
> Severity: normal
> 
> I used dd to write an entire 4GB USB flash drive. It was only going at
> 2MB/s, so I ran it overnight. In the morning, it was done, so I
> unplugged the USB drive. Immediately there was a kernel oops.
> 
> The flash drive was plugged into a 7 port USB hub, which was plugged
> directly into the computer. The USB hub has been pretty flakey, and I
> don't really trust the flash drive much, either.
> 
> I have trimmed the Kernel log below. It shows from the moment the
> drive was plugged in, through the oops.
[...]

This bug seems to be known but not yet fully understood by the kernel
developers.  There was a change in Linux 3.1.5 which should result in
logging more information in case this bug is triggered.  Have you seen
it happen again?

Ben.

-- 
Ben Hutchings
Beware of programmers who carry screwdrivers. - Leonard Brandwein

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