Sorry, I had forgot about this one after it vanished and was only
reminded by a private email from someone suffering something similar.
I went through my collection of panic photos and (as my recollection
also was) there seem to have been none of this 'warn_slowpath_common'
kind since I last commented.
Except for one just a week ago, on completely new hardware: this one
with 3.8.0 rc2 when I was testing it wrt Bug #1096802, which turned out
to be caused by bad card reader firmware. It was tied to usb-storage as
most if not all of the panics caused by the firmware problem, so it was
most likely another symptom of that, but I'm posting that one here too
just in case it still contains a hint of the conditions under which
'warn_slowpath_common' can occur.
Meanwhile, I'm marking this as fixed as per Joseph's request above. For
the record, as far as I'm concerned, a installing 3.3 or newer series
kernel was a definite fix for this issue.
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
** Attachment added: "usb-storage: 'warn_slowpath_common' on mainline 3.8.0 rc2"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/917668/+attachment/3484478/+files/2013-01-09_11-06-44_29.jpg
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https://bugs.launchpad.net/bugs/917668
Title:
system freeze ("hard LOCKUP"), warn_slowpath_common+0x7f in
sock_aio_read
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