Date: Mon, 14 Sep 2009 14:43:05 +0200 From: Attilio Rao <attilio@freebsd.org> To: "C. C. Tang" <hiyorin@gmail.com> Cc: freebsd-stable <freebsd-stable@freebsd.org>, barbara <barbara.xxx1975@libero.it>, "dan.naumov" <dan.naumov@gmail.com> Subject: Re: 7.2-release/amd64: panic, spin lock held too long Message-ID: <3bbf2fe10909140543w56783cc8of964f464d9314db2@mail.gmail.com> In-Reply-To: <4A67C9C7.6090301@gmail.com> References: <KN4BGI$40ABF3E58EAD1201403C9DA561E2402F@libero.it> <4A667469.1080805@gmail.com> <3bbf2fe10907220930y27b5da04sd0a71d57b6a9d191@mail.gmail.com> <4A67C9C7.6090301@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
2009/7/23 C. C. Tang <hiyorin@gmail.com>: > 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... :( 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 -- Peace can only be achieved by understanding - A. Einstein
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3bbf2fe10909140543w56783cc8of964f464d9314db2>