Date: Fri, 23 Jul 2010 11:06:21 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Daniel Braniss <danny@cs.huji.ac.il> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: WITNESS is the culprit was Re: latest 8.1 hangs on xpt_config Message-ID: <4C494D7D.6040608@FreeBSD.org> In-Reply-To: <E1OcDBK-0007RD-SL@kabab.cs.huji.ac.il> References: <20100723064421.GA40830@icarus.home.lan> <mailpost.1279870026.9803508.57228.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> <4C494790.4070305@FreeBSD.org> <E1OcDBK-0007RD-SL@kabab.cs.huji.ac.il>
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Daniel Braniss wrote: >> Daniel Braniss wrote: >>>> On Fri, Jul 23, 2010 at 09:35:55AM +0300, Daniel Braniss wrote: >>>>> It seems that the latest changes (last 7 days) introduced this problem: >>>>> ... >>>>> run_interrupt_driven_hooks: still waiting after 60 seconds for xpt_config >>>>> run_interrupt_driven_hooks: still waiting after 120 seconds for xpt_config >>>>> run_interrupt_driven_hooks: still waiting after 180 seconds for xpt_config >>>>> run_interrupt_driven_hooks: still waiting after 240 seconds for xpt_config >>>>> ... >>>>> >>>>> i'll try to hunt this down, but any help is welcome. >>>> Recent to semi-recent commits relevant to xpt that I can find The >>>> problem might not be even in xpt though. Which xpt piece pertains to >>>> you probably depends on your system setup/configuration. Dates/times >>>> are in PDT/UTC-0700: >>>> >>>> -rw-r--r-- 1 root wheel 6037 1 Mar 22:48 /usr/src/sys/cam/cam_xpt_internal.h >>>> -rw-r--r-- 1 root wheel 124773 9 May 10:19 /usr/src/sys/cam/cam_xpt.c >>>> -rw-r--r-- 1 root wheel 72556 23 May 10:41 /usr/src/sys/cam/scsi/scsi_xpt.c >>>> -rw-r--r-- 1 root wheel 56663 19 Jul 05:28 /usr/src/sys/cam/ata/ata_xpt.c >>>> >>>> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/cam/cam_xpt_internal.h >>>> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/cam/cam_xpt.c >>>> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/cam/scsi/scsi_xpt.c >>>> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/cam/ata/ata_xpt.c >>> thanks Jeremy, i'll try and make some sence of the changes. >>> >>> here is some more info: >>> there are one disk and one dvd connected via SATA >> I recently had report about alike problem with "PIONEER DVD-RW DVR-215 >> 1.19" drive. Don't you have the same device or another Pioneer? >> >> In that case this patch: >> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/cam/ata/ata_xpt.c.diff?r1=1.3.2.29;r2=1.3.2.30;f=h >> allowed system to boot, though problem seemed to be hardware. Try this >> patch, it at least may give additional info about the problem. > > That was my first guess, so I detached the DVD, but the problem persisted. > the device is: > ATAPI DVD A DH16AAS JL34> Removable CD-ROM SCSI-0 device > > anyways, I compiled a kernel without WITNESS, and it now works ok! That's hardly a solution or reason. Still please try the patch (or fresh 8-STABLE with it), may be it tell more. -- Alexander Motin
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