Geoff,
great, thanks for the quick testing.
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/1198324
Title:
softlockup during boot on AMD A83500m
Status in “linux” package in Ubuntu:
Fix Released
Bug description:
The current Saucy kernel (config-3.10.0-2-generic) causes my machine
to lock during bootup. The last known working kernel I have is
3.8.0-26-generic. Switching to a text mode boot I discovered that CPU
#1, #2 and #3 report that they are softlocked by the "migration"
process (I believe that's internal to the kernel) and that on CPU #0
the RCU stall detector has detected a stall. The machine in question
is a Thinkpad E525 with an AMD A8-3500m APU. I've tried and failed to
extract more information from the kernel, but setting softlock_panic
just ends up with a continuous repeating stream of text scrolling up
the screen faster than can be read.
As I can't boot into that kernel I can't give you the output suggested
on the bug submission form, but I've attached the lspci output from
the 3.8 kernel version in case that is helpful.
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