amd64/87015: LG cdrom (GCE-8240B) is not detected by 6.0-BETA5

Ilya Sher ilya79 at
Thu Oct 6 14:20:10 PDT 2005

>Number:         87015
>Category:       amd64
>Synopsis:       LG cdrom (GCE-8240B) is not detected by 6.0-BETA5
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-amd64
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Oct 06 21:20:05 GMT 2005
>Originator:     Ilya Sher
>Release:        6.0-BETA5
FreeBSD  6.0-BETA4 FreeBSD 6.0-BETA4 #0: Mon Sep 19 00:24:24 UTC 2005     root at rat.samsco.home:/usr/obj/usr/src/sys/GENERIC  amd64
              (The ISO image name is 6.0-BETA5-amd64-disc1.iso, not BETA4)
              LG cdrom drive (GCE-8240B) is not detected (dmesg follows):
              Oct  6 23:29:19  kernel: ad0: 114473MB <WDC WD1200JB-00EVA0 15.05R15> at ata0-master UDMA100
              Oct  6 23:29:19  kernel: unknown: timeout waiting for read DRQunknown: timeout waiting for read DRQacd0: DMA limited to UDMA33, device found non-ATA66 cable
              Oct  6 23:29:19  kernel: acd0: DVDR <LITE-ON DVDRW SOHW-1653S/CS0K> at ata1-slave UDMA33
              Worked fine with FreeBSD 5.4

              HW components as listed in Linux:
              dmesg | grep ^hd
              hda: WDC WD1200JB-00EVA0, ATA DISK drive
              hdc: HL-DT-ST CD-RW GCE-8240B, ATAPI CD/DVD-ROM drive
              hdd: LITE-ON DVDRW SOHW-1653S, ATAPI CD/DVD-ROM drive
              hda: max request size: 1024KiB
              hda: 234441648 sectors (120034 MB) w/8192KiB Cache, CHS=16383/255/63, UDMA(100)
              hda: cache flushes supported
              hdc: ATAPI 40X CD-ROM CD-R/RW drive, 8192kB Cache, DMA
              hdd: ATAPI 48X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, UDMA(33)


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