Date: Thu, 23 Jul 2009 10:24:07 +0800 From: "C. C. Tang" <hiyorin@gmail.com> To: Attilio Rao <attilio@freebsd.org> Cc: "dan.naumov" <dan.naumov@gmail.com>, barbara <barbara.xxx1975@libero.it>, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: 7.2-release/amd64: panic, spin lock held too long Message-ID: <4A67C9C7.6090301@gmail.com> In-Reply-To: <3bbf2fe10907220930y27b5da04sd0a71d57b6a9d191@mail.gmail.com> References: <KN4BGI$40ABF3E58EAD1201403C9DA561E2402F@libero.it> <4A667469.1080805@gmail.com> <3bbf2fe10907220930y27b5da04sd0a71d57b6a9d191@mail.gmail.com>
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Attilio Rao wrote: > 2009/7/22 C. C. Tang <hiyorin@gmail.com>: >>> 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... :( Regards, C.C.
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