Date: Mon, 08 Nov 2010 17:29:29 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Alexander Best <arundel@freebsd.org>, freebsd-scsi@freebsd.org Subject: Re: panic with high kern.cam.boot_delay value Message-ID: <4CD81759.3040109@FreeBSD.org> In-Reply-To: <4CD455A3.2010803@FreeBSD.org> References: <mailpost.1288920550.1218428.11116.mailing.freebsd.scsi@FreeBSD.cs.nctu.edu.tw> <4CD455A3.2010803@FreeBSD.org>
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Alexander Motin wrote: > Alexander Best wrote: >> i just stumbled upon a panic in connection with a very high kern.cam.boot_delay >> value (=100000). this is on HEAD (r214809; amd64). unfortunately i couldn't >> enter the debugger, because the panic occured before my usb keyboard attached. >> >> the panic however occured in sched_priority(). can anybody reproduce this? just >> before the panic i saw some xpt_* message in connection with a 60 second delay. > > I have feeling that it is related not to CAM, but to new event timers > infrastructure and SCHED_ULE. I have one report about panic in > sched_priority() on virtual machine. Unluckily, I can't reproduce any of > cases. r214987 should fix the problem. -- Alexander Motin
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