Date: Fri, 05 Nov 2010 21:06:11 +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: <4CD455A3.2010803@FreeBSD.org> In-Reply-To: <mailpost.1288920550.1218428.11116.mailing.freebsd.scsi@FreeBSD.cs.nctu.edu.tw> References: <mailpost.1288920550.1218428.11116.mailing.freebsd.scsi@FreeBSD.cs.nctu.edu.tw>
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Hi. 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. -- Alexander Motin
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