Messages in this thread |  | | Date | Sun, 31 Dec 2000 13:28:50 +0200 | From | Matti Aarnio <> | Subject | Re: scheduling problem test13-pre7 |
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On Sun, Dec 31, 2000 at 10:42:26AM +0100, Mike Galbraith wrote: > Hi, > > While running iozone, I notice severe stalls of vmstat output > despite vmstat running SCHED_RR and mlockall().
Lets eliminate the obvious:
- Are you running with IDE disk ? - Does hdparm /dev/hda(whatever) report:
/dev/hda: unmaskirq = 0 (off) using_dma = 0 (off)
The IKD uses local interrupts, so this isn't necessarily true...
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