** Description changed: The current Saucy kernel (config-3.10.0-2-generic) causes my machine to - lock during bootup. Swithching 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 scroliing up the - screen faster than can be read. + 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 + 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.
** Tags removed: regression-release ** Tags added: regression-update -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1198324 Title: softlockup during boot on AMD A83500m To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1198324/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
