Date: Sat, 23 Jan 2010 18:46:19 +0100 From: Gary Jennejohn <gary.jennejohn@freenet.de> To: Juergen Lock <nox@jelal.kn-bremen.de> Cc: mav@FreeBSD.org, FreeBSD-Current <freebsd-current@FreeBSD.org>, Stable <freebsd-stable@FreeBSD.org>, FreeBSD Subject: Re: Pack of CAM improvements Message-ID: <20100123184619.257203d9@ernst.jennejohn.org> In-Reply-To: <201001231407.o0NE7l8j002620@triton8.kn-bremen.de> References: <4B55D9D4.1000008@FreeBSD.org> <201001231407.o0NE7l8j002620@triton8.kn-bremen.de>
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On Sat, 23 Jan 2010 15:07:47 +0100 (CET) Juergen Lock <nox@jelal.kn-bremen.de> wrote: > But what > this still doesn't fix is the broken `test unit ready' command on ada > devices, which also makes things like `cdrecord -scanbus' hang the bus. :( > (A few days ago I also got a hang after wanting to try out xfburn, > I suspect for the same reason...) > > Here is my earlier report: > http://docs.freebsd.org/cgi/mid.cgi?20090817163144.GA2991 > I started seeing a problem a few days ago with one of my DVD drives (a burner at cd0) under 9-current, which makes it impossible to use it even to simply read a DVD. Here the (rather strange IMO) output in dmesg: cd0: <HL-DT-ST DVD-RAM GSA-H54N 1.00> Removable CD-ROM SCSI-0 device cd0: 66.700MB/s transfers (UDMA4, PIO size 65534bytes) cd0: Attempt to query device size failed: UNIT ATTENTION, Power on, reset, or bus device reset occurred cd1 at ata0 bus 0 scbus6 target 1 lun 0 cd1: <TSSTcorp DVD-ROM SH-D162D SB01> Removable CD-ROM SCSI-0 device cd1: 33.300MB/s transfers (UDMA2, PIO size 65534bytes) cd1: Attempt to query device size failed: NOT READY, Medium not present - tray closed I haven't the foggiest why cd0 behaves diffrently from cd1, which is a vanilla DVD drive and just works. --- Gary Jennejohn
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