[Bug 281526] [NEW] Firefox freezes with 100% CPU after resuming from suspend

Adam Porter launchpad at alphapapa.net
Sat Oct 11 00:36:09 UTC 2008


Public bug reported:

Binary package hint: firefox

firefox-3.0 = 3.0.3+build1+nobinonly-0ubuntu0.8.04.1 0

Sometimes when resuming from suspend-to-RAM, Firefox becomes
unresponsive and uses 100% CPU time.  An strace shows it in a cycle like
this:

--- SIGIO (I/O possible) @ 0 (0) ---
rt_sigreturn(0xb2503d90) = 240
futex(0xb2503d90, 0x80 /* FUTEX_??? */, 2) = ? ERESTARTSYS (To be restarted)

This repeats endlessly and uses all available CPU time.  It doesn't
always happen, and I haven't noticed a pattern yet, but it's happened 3
or 4 times in the last week.

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  Binary package hint: firefox
  
+ firefox-3.0 = 3.0.3+build1+nobinonly-0ubuntu0.8.04.1 0
+ 
  Sometimes when resuming from suspend-to-RAM, Firefox becomes
- unresponsive while using 100% CPU time.  An strace shows it in a cycle
- like this:
+ unresponsive and uses 100% CPU time.  An strace shows it in a cycle like
+ this:
  
  --- SIGIO (I/O possible) @ 0 (0) ---
  rt_sigreturn(0xb2503d90) = 240
  futex(0xb2503d90, 0x80 /* FUTEX_??? */, 2) = ? ERESTARTSYS (To be restarted)
  
  This repeats endlessly and uses all available CPU time.  It doesn't
  always happen, and I haven't noticed a pattern yet, but it's happened 3
  or 4 times in the last week.

-- 
Firefox freezes with 100% CPU after resuming from suspend
https://bugs.launchpad.net/bugs/281526
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