Messages in this thread | | | Date | Wed, 24 Dec 2008 19:12:25 +0530 | From | Dhaval Giani <> | Subject | Re: asterisk hangs with RT priority |
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On Wed, Dec 24, 2008 at 10:36:17PM +1100, Herbert Xu wrote: > On Sun, May 18, 2008 at 06:10:03PM +0200, Patrick McHardy wrote: > > I'm seeing hanging asterisk processes on startup when using > > RT priority with current -git. Unfortunately I'm not sure about > > the last working version, but it was one of the final 2.6.25 rcs. > > The hang stops when executing "schedtool -N $(pidof asterisk)". > > I'm now hitting exactly the same problem with 2.6.28-rc9 (I had > it with 2.6.27 too but thought it might go away on its own :) > > I've made a small program to attempt to reproduce this based on > the asterisk code. Unfortunately it doesn't work on its own. > However, if you run it under strace then it does hang in the > same away as asterisk (which seems to happen after the setuid > call, as strace shows it before hanging and the printk after > it in asterisk gets executed). > > Note that the hang goes away if either setscheduler or setuid > is removed. >
Hmm. Do you have CONFIG_FAIR_USER_SCHED set on?
Thanks, -- regards, Dhaval
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