Date: Wed, 16 May 2001 15:19:38 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Matthew Jacob <mjacob@feral.com> Cc: current@FreeBSD.org, Bob Bishop <rb@gid.co.uk> Subject: RE: panic: sleeping process owns a mutex Message-ID: <XFMail.010516151938.jhb@FreeBSD.org> In-Reply-To: <Pine.BSF.4.21.0105160955120.8660-100000@beppo.feral.com>
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On 16-May-01 Matthew Jacob wrote: > > Oh, I'd like you to think twice about this. Massive amounts of driver > rototilling should be avoided at this point. Well, it's causing panics in some cases. Those are bad. Basically I would be reverting earlier changes. > On Wed, 16 May 2001, John Baldwin wrote: > >> >> On 16-May-01 Bob Bishop wrote: >> > Hi, >> > >> > This while building world, with a kernel cvsup at Fri Apr 27 04:06:40 BST >> > 2001 >> > >> > kern/kern_synch.c:386 sleeping with "vr0" locked from pci/if_vr.c:1315 >> > >> > abridged backtrace: >> > >> > panic() >> > propagate_priority() >> > _mtx_lock_sleep() >> > vr_intr() >> > ithread_loop() >> > fork_exit() >> > fork_trampoline() >> >> Well, I think the best thing to do for now will be to back out all the >> ethernet >> driver locking until we figure out how we are actually going to lock them. >> The original locks that went in starting with fxp many months ago weren't >> quite >> right but have been mostly harmless up to this point. There are some cases >> where we sleep with locks however, which can lead to problems. >> >> -- >> >> John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ >> PGP Key: http://www.baldwin.cx/~john/pgpkey.asc >> "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ >> >> To Unsubscribe: send mail to majordomo@FreeBSD.org >> with "unsubscribe freebsd-current" in the body of the message >> > -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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