Messages in this thread | | | Date | Sat, 25 Oct 2003 11:15:47 +1000 | From | Nick Piggin <> | Subject | Re: [BUG] linux 2.6.0-test8 reaim tests fail to exit |
| |
Dave Olien wrote:
>I've observed in the last two days, linux 2.6.0-test8 and I think >linux 2.6.0-test8-mm1. The reaim test workload fails to exit. >All of the reaim tasks are blocked in sys_wait4(). But non of >them seem to have any obvious child processes. > >There are also lots of sync() processes. Many of those seem to be >blocked somewhere scheduling IO. These kernels were all with the >as-isoched IO scheduler. I may retry with deadline scheduler, just >to rule out IO scheduler. Is there any link between the sync() >processes and the reaim waiting for children? > >Could there be a problem with IO not completing for the sync() >tasks that causes the reaim tasks to not complete? > >Attached is a console output from a system hung in this state. >Included (towards the bottom) is a sysrq t output. > >I'm hoping to investigate this more closely over the week end. >
Looks like IO scheduler. Testing deadline would be good. Thanks.
- 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/
| |