Date: Mon, 11 May 2020 15:25:26 +0200 From: Christoph Kukulies <kuku@kukulies.org> To: freebsd-questions@freebsd.org Subject: Kernel panic while reading from at a cdrom Message-ID: <8D7D3A75-ACE4-407F-90C4-DF827A361A30@kukulies.org>
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I=E2=80=99m seeing these error messages in syslog: (cd0:ata1:0:1:0): READ(10). CDB: 28 00 00 05 14 96 00 00 01 00=20 (cd0:ata1:0:1:0): CAM status: SCSI Status Error (cd0:ata1:0:1:0): SCSI status: Check Condition (cd0:ata1:0:1:0): SCSI sense: ILLEGAL REQUEST asc:64,0 (Illegal mode for = this track) (cd0:ata1:0:1:0): Error 6, Unretryable error (cd0:ata1:0:1:0): cddone: got error 0x6 back (cd0:ata1:0:1:0): READ(10). CDB: 28 00 00 05 14 97 00 00 01 00=20 (cd0:ata1:0:1:0): CAM status: SCSI Status Error (cd0:ata1:0:1:0): SCSI status: Check Condition (cd0:ata1:0:1:0): SCSI sense: ILLEGAL REQUEST asc:64,0 (Illegal mode for = this track) (cd0:ata1:0:1:0): Error 6, Unretryable error (cd0:ata1:0:1:0): cddone: got error 0x6 back I was dd=E2=80=99ing a whole CD to a file while the panic happened. This = happened twice after another. The MB is an ASRock939A790GMH. Possibly the CDROM drive , a CREATIVE 52x = is the culprit. DMA is =E2=80=9EAuto=E2=80=9C in the BIOS and the device = can do DMA, not Ultra DMA.=20 Before I kick out the drive and get me a sata DVD drive, would it help = analyzing something. kernel core dump? =E2=80=94 Christoph
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