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Mingming Cao wrote: >On Sat, 2003-06-14 at 01:01, Andrew Morton wrote: > > >>Was elevator=deadline observed to fail in earlier kernels? If not then it >>may be an anticipatory scheduler bug. It certainly had all the appearances >>of that. >> >Yes, with elevator=deadline the many fsx tests failed on 2.5.70-mm5. > > >>So once you're really sure that elevator=deadline isn't going to fail, >>could you please test elevator=as? >> >> >Ok, the deadline test was run for 10 hours then I stopped it (for the >elevator=as test). > >But the test on elevator=as (2.5.70-mm9 kernel) still failed, same >problem. Some fsx tests are sleeping on io_schedule(). > So by failed, you just mean stuck in io_schedule? Are you sure they are permanently stuck there? Is any progress being made? I have tried this test, and often some or most of the processes wait in io_schedule for a while, but do get woken. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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