[Bug 551068] [NEW] i5 and i7 systems have TSC warping when coming out of resume causing soft lockp messages

Colin King colin.king at ubuntu.com
Mon Mar 29 17:22:26 UTC 2010


Public bug reported:

Binary package hint: linux-source-2.6.31

When coming out of resume, the TSC has warped causing many spurious softlockup messages
Steps to reproduce:
   1. Suspend using pm-suspend or from the gnome menu select suspend.
   2. Wake up from suspend
   3. Look at dmesg log, one can see lots of messages such as:

[1266874876.845061] BUG: soft lockup - CPU#0 stuck for 0s! [python:2000]
[1266874876.845158] Modules linked in: bridge stp bnep btusb usbhid binfmt_misc

** Affects: linux (Ubuntu)
     Importance: Medium
     Assignee: Colin King (colin-king)
         Status: In Progress

** Changed in: linux (Ubuntu)
       Status: New => In Progress

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => Colin King (colin-king)

** Changed in: linux (Ubuntu)
   Importance: Low => Medium

-- 
i5 and i7 systems have TSC warping when coming out of resume causing soft lockp messages
https://bugs.launchpad.net/bugs/551068
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