Messages in this thread | | | Subject | Re: [2.6.21.1] soft lockup when removing netconsole module | From | Thomas Gleixner <> | Date | Sat, 26 May 2007 19:06:28 +0200 |
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On Sat, 2007-05-26 at 18:49 +0200, Folkert van Heusden wrote: > > > > > Seems to be hrtimers related - CC'ed Thomas. > > > > I doubt that. The tick interrupt just finds out, that the machine is > > > > stuck in rmmod. > > > > > > Also the rmmod hangs and would not exit even with kill -9. It also > > > > > > sucks up 100% cpu. > > > > Can you please enable CONFIG_PROVE_LOCKING ? > > > Luckily I already had :-) > > > Here is its output: > > So there is no output from lockdep, during the rmmod hang ? The rmmod > > Nope, just other subsystems (nfs, usb) minutes before that.
Hmm. Can you provide the output of that ? Might be some stale stuff leading to the hang later.
tglx
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