Messages in this thread | | | Date | Sat, 2 Apr 2005 11:30:12 -0800 | From | Andrew Morton <> | Subject | Re: Problem mounting dvd if the drive spin down |
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Nate Grey <nate@paranoici.org> wrote: > > Hello guys, this is my first post in this list, I'm not a subscriner so > please CC me for reply and comments. Thank you. > > > I've got an Acer Aspire 1601LC laptop and I get strange issue when > mounting dvd (I cannot say the time 'cause firstly I thought to bad > dvd). > If I close the try and then mount the dvd everything is ok, but if the > drive stops, for example if I insert the dvd and go on with reading my > mail and try to access again the dvd this hangs up.
Did it work OK under any other kernel versions? If so, which?
> The drive is a Matshita as dmesg say: > > hdc: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache, UDMA(33) > > Example: > I put the dvd into the drive, wait some time... the drive spin down > $ mount /mnt/cdrom > > I got this in /var/log/messages > Apr 2 18:11:58 maggot kernel: hdc: DMA disabled > > and dmesg: > hdc: cdrom_decode_status: status=0x51 { DriveReady SeekComplete Error } > hdc: cdrom_decode_status: error=0x40 { LastFailedSense=0x04 } > ide: failed opcode was: unknown > > I'm using 2.6.11 kernel, but 2.6.10 wasn't better. > I notice that if I run > > $ hdparm -Y /dec/hdc > > output:/dev/hdc: > issuing sleep command > HDIO_DRIVE_CMD(sleep) failed: Input/output error > > the drive seems to wake up and I can run mount without problems. > > This is the output from hdparm -i:/dev/hdc: > > Model=UJDA740 DVD/CDRW, FwRev=1.00, SerialNo= > Config={ Fixed Removeable DTR<=5Mbs DTR>10Mbs nonMagnetic } > RawCHS=0/0/0, TrkSize=0, SectSize=0, ECCbytes=0 > BuffType=unknown, BuffSize=512kB, MaxMultSect=0 > (maybe): CurCHS=0/0/0, CurSects=0, LBA=yes, LBAsects=0 > IORDY=yes, tPIO={min:180,w/IORDY:120}, tDMA={min:120,rec:120} > PIO modes: pio0 pio1 pio2 pio3 pio4 > DMA modes: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 > UDMA modes: udma0 udma1 *udma2 > AdvancedPM=no > Drive conforms to: ATA/ATAPI-5 T13 1321D revision 3: > > * signifies the current active mode > > > Is there any solution to this problem? > > Thank in advance, and go on this way. > > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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