Date: Fri, 5 Nov 2010 09:06:49 -0700 From: Garrett Cooper <gcooper@FreeBSD.org> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-scsi@freebsd.org, Alexander Motin <mav@freebsd.org>, freebsd-current@freebsd.org Subject: Re: stuck in cam with bad optical media Message-ID: <AANLkTikFKuej9tqoVCPeaj8DkF2ttzHWTwaBdF=gBMUc@mail.gmail.com> In-Reply-To: <4CD40B10.5090205@icyb.net.ua> References: <4CD40B10.5090205@icyb.net.ua>
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On Fri, Nov 5, 2010 at 6:48 AM, Andriy Gapon <avg@icyb.net.ua> wrote: > > [I am probably just having an unlucky day.] > > I tried to burn (with growisofs) a DVD+RW disk which seems to have develo= ped some > problems. > First, the burning process got stuck at the same percentage and the drive= started > to make unusual sounds. =A0Then, the following messages appeared in syste= m log: > kernel: (cd0:ahcich5:0:0:0): READ(10). CDB: 28 0 0 0 0 0 0 0 1 0 > kernel: (cd0:ahcich5:0:0:0): CAM status: SCSI Status Error > kernel: (cd0:ahcich5:0:0:0): SCSI status: Check Condition > kernel: (cd0:ahcich5:0:0:0): SCSI sense: MEDIUM ERROR asc:2,0 (No seek co= mplete) > kernel: (cd0:ahcich5:0:0:0): READ(10). CDB: 28 0 0 0 0 0 0 0 1 0 > kernel: (cd0:ahcich5:0:0:0): CAM status: SCSI Status Error > kernel: (cd0:ahcich5:0:0:0): SCSI status: Check Condition > kernel: (cd0:ahcich5:0:0:0): SCSI sense: MEDIUM ERROR asc:2,0 (No seek co= mplete) > kernel: (cd0:ahcich5:0:0:0): READ(10). CDB: 28 0 0 0 0 0 0 0 1 0 > kernel: (cd0:ahcich5:0:0:0): CAM status: SCSI Status Error > kernel: (cd0:ahcich5:0:0:0): SCSI status: Check Condition > kernel: (cd0:ahcich5:0:0:0): SCSI sense: MEDIUM ERROR asc:2,0 (No seek co= mplete) > kernel: (cd0:ahcich5:0:0:0): READ(10). CDB: 28 0 0 0 0 0 0 0 1 0 > kernel: (cd0:ahcich5:0:0:0): CAM status: SCSI Status Error > kernel: (cd0:ahcich5:0:0:0): SCSI status: Check Condition > kernel: (cd0:ahcich5:0:0:0): SCSI sense: Deferred error: MEDIUM ERROR asc= :2,0 (No > seek complete) > kernel: ahcich5: Timeout on slot 7 > kernel: ahcich5: is 00000000 cs 00000180 ss 00000000 rs 00000180 tfd 58 s= err 00000000 > kernel: (cd0:ahcich5:0:0:0): cddone: got error 0x5 back > > After that growisofs either remained or became stuck in the following sta= te: > 42433 100119 growisofs =A0 =A0 =A0 =A0initial thread =A0 mi_switch+0x1de = sleepq_switch+0xdb > sleepq_wait+0x45 _sleep+0x295 cam_periph_ccbwait+0x40 cam_periph_runccb+0= x68 > passioctl+0x260 devfs_ioctl_f+0xf8 kern_ioctl+0x262 ioctl+0x168 syscallen= ter+0x3be > syscall+0x41 Xfast_syscall+0xe2 > > Any commands that tried to access the device (cdcontrol eject, camcontrol= reset > 5:0:0) also got stuck. > Only reboot helped to recover the device. > > I understand that bad media is bad, but it happens. > I think that cam and ahci typically recover from errors/timeouts, so some= hting > must have gone wrong in this case. > > P.S. I have already thrown out the bad disk - irritation won over reason = when that > happened, unfortunately :( I think we are in the same boat (I've run into this problem on two different machines with my revisions of CURRENT) :(... I resorted to using an external DVD writer to write media (which is in and of itself a PITA): $ camcontrol devlist; uname -a <ATAPI iHAS124 Y BL0V> at scbus1 target 0 lun 0 (cd0,pass0) <Hitachi HDS721010CLA332 JP4OA39C> at scbus2 target 0 lun 0 (pass1,ada0) FreeBSD bayonetta.local 9.0-CURRENT FreeBSD 9.0-CURRENT #2 r214347M: Mon Oct 25 04:38:54 PDT 2010 root@:/usr/obj/usr/src/sys/BAYONETTA amd64 Have you tried non-rewritable CDs and DVDs yet (something that I need to try too)? HTH, -Garrett
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