Date: Tue, 19 Oct 2004 00:05:22 +0300 From: Giorgos Keramidas <keramida@freebsd.org> To: freebsd-current@freebsd.org Subject: burncd triggers a panic on 6.0-CURRENT Message-ID: <20041018210522.GA681@gothmog.gr>
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Every time I attempt to write a CD-ROM with burncd a panic is triggered, shortly after this message appears on my console: acd0: illegal transfer phase ata1-master: FAILURE - ATAPI_IDENTIFY timed out The next thing I see is acd0 being deleted and a panic from somewhere within geom, but I can't manage to save a crash dump no matter what I try :-/ Adding atapicam on my kernel config and trying to burn a CD-ROM with cdrecord works fine though. The relevant bits from dmesg are: : $ dmesg | egrep 'ata|cd' : atapci0: <SiS 962/963 UDMA133 controller> port 0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 2.5 on pci0 : ata0: channel #0 on atapci0 : ata1: channel #1 on atapci0 : ata0-master: DMA limited to UDMA33, non-ATA66 cable or device : ad0: 42934MB <WDC WD450AA-00BAA0/10.09K11> [87233/16/63] at ata0-master UDMA33 : acd0: CDRW <PCRW804/1.1> at ata1-master PIO4 : cd0 at ata1 bus 0 target 0 lun 0 : cd0: <PHILIPS PCRW804 1.1> Removable CD-ROM SCSI-0 device : cd0: 16.000MB/s transfers : cd0: Attempt to query device size failed: NOT READY, Medium not present : $ sysctl -a hw.ata : hw.ata.ata_dma: 1 : hw.ata.wc: 1 : hw.ata.atapi_dma: 0
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