On Mon, Sep 14, 2009 at 3:43 PM, Attilio Rao <[email protected]> wrote: > 2009/7/23 C. C. Tang <[email protected]>: >> Attilio Rao wrote: >>> >>> 2009/7/22 C. C. Tang <[email protected]>: >>>>> >>>>> Could that one (on i386) be related? >>>>> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/134584 >>>>> >>>> I have no idea about it but I can tell the difference... >>>> My machine panic randomly rather than on shutdown and I remembered that >>>> it >>>> failed to write core dump. It also failed to reboot automatically.. >>> >>> Is your problem on -CURRENT and amd64? >>> At some point there has been a problem with PAT support (and >>> tlb_shootdowns() could lead to a livelock hanging forever, leading to >>> such a bug) but I expect it is fixed now. >>> Can you try with a fresh new -CURRENT if any? >> >> My problem is on i386 version of 7.2-RELEASE-p2 on Intel Atom 330 CPU. >> And my system just panic randomly with "spin lock held too long". >> It didn't panic at reboot or shutdown so I think it the problem is somewhat >> different from that mentioned by Barbara's PR? >> >> Anyway I disabled powerd and it seems become stable now. >> >> And I am sorry that my system has been put into service so it would be hard >> for me to switch to -CURRENT... :( > > Can you re-enable powerd and try the attached patch?: > http://www.freebsd.org/~attilio/sched_ule.diff > > The patch is against STABLE_7, but I think HEAD has the same bug. > Please try it and report to me. > > Attilio
Sadly I can't test this, I had to put the machine into production using another OS. I hope the patch fixes the issue, so I can at some point evaluate using FreeBSD on this hardware again. - Dan _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
