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SubjectRe: [ide-]scsi timeouts while writing cdrom
it doesn't.  system still hangs when burning cd's without the manual 
hdparm tuning.

Steven Walter wrote:

>Alright. If you don't already have "Intel PIIXn chipset support" and
>"PIIXn Tuning support" turned on in your config, do so. See if it
>helps.
>
>On Tue, Sep 18, 2001 at 02:10:33PM -0700, Joseph Cheek wrote:
>
>>piix4. this is an older p2/350 udma-33 machine.
>>
>>Sep 18 08:58:22 sanfrancisco kernel: block: queued sectors max/low
>>169288kB/56429kB, 512 slots per queue
>>Sep 18 08:58:22 sanfrancisco kernel: RAMDISK driver initialized: 16 RAM
>>disks of 4096K size 1024 blocksize
>>Sep 18 08:58:22 sanfrancisco kernel: Uniform Multi-Platform E-IDE driver
>>Revision: 6.31
>>Sep 18 08:58:22 sanfrancisco kernel: ide: Assuming 33MHz system bus
>>speed for PIO modes; override with idebus=xx
>>Sep 18 08:58:22 sanfrancisco kernel: PIIX4: IDE controller on PCI bus 00
>>dev a1
>>Sep 18 08:58:22 sanfrancisco kernel: PIIX4: chipset revision 1
>>Sep 18 08:58:22 sanfrancisco kernel: PIIX4: not 100%% native mode: will
>>probe irqs later
>>Sep 18 08:58:22 sanfrancisco kernel: ide0: BM-DMA at 0x10e0-0x10e7,
>>BIOS settings: hda:DMA, hdb:DMA
>>Sep 18 08:58:22 sanfrancisco kernel: ide1: BM-DMA at 0x10e8-0x10ef,
>>BIOS settings: hdc:DMA, hdd:DMA
>>Sep 18 08:58:22 sanfrancisco kernel: hda: IBM-DJNA-370910, ATA DISK drive
>>Sep 18 08:58:22 sanfrancisco kernel: hdb: QUANTUM FIREBALL EX12.7A, ATA
>>DISK drive
>>Sep 18 08:58:22 sanfrancisco kernel: hdc: LITE-ON LTR-12101B, ATAPI
>>CD/DVD-ROM drive
>>Sep 18 08:58:22 sanfrancisco kernel: hdd: Compaq CRD-8322B, ATAPI
>>CD/DVD-ROM drive
>>Sep 18 08:58:22 sanfrancisco kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
>>Sep 18 08:58:22 sanfrancisco kernel: ide1 at 0x170-0x177,0x376 on irq 15
>>Sep 18 08:58:22 sanfrancisco kernel: hda: 17773500 sectors (9100 MB)
>>w/1966KiB Cache, CHS=18807/15/63, UDMA(33)
>>Sep 18 08:58:22 sanfrancisco kernel: hdb: 24901632 sectors (12750 MB)
>>w/418KiB Cache, CHS=26350/15/63, UDMA(33)
>>Sep 18 08:58:22 sanfrancisco kernel: Partition check:
>>Sep 18 08:58:22 sanfrancisco kernel: hda: [PTBL] [1175/240/63] hda1
>>hda2 hda3 hda4
>>Sep 18 08:58:22 sanfrancisco kernel: hdb: [EZD] [remap 0->1]
>>[1550/255/63] hdb1 hdb2
>>
>>Steven Walter wrote:
>>
>>>What chipset are you using?
>>>
>>>On Tue, Sep 18, 2001 at 12:22:49PM -0700, Joseph Cheek wrote:
>>>
>>>>cool, i turned off DMA on both cd's and it works now! i still get
>>>>timeouts but not enough to crash the system.
>>>>
>>>>Steven Walter wrote:
>>>>
>>>>>With what drive chipset is this?
>>>>>
>>>>>In any event, try doing an 'hdparm -d0 /dev/hdd' and see if that fixes
>>>>>it. That will turn off DMA on the CD-RW, which is probably causing the
>>>>>trouble. If not, see if turning off DMA on /all/ the drives fixes it.
>>>>>
>>>>>I had a problem similar to this on my system, with an AMD-751 ide
>>>>>controller. To fix it, all I had to do was turn on CONFIG_EXPERIMENTAL
>>>>>and then "AMD Viper ATA-66 Override (WIP)". After that, the problem
>>>>>went away.
>>>>>
>>>>>On Fri, Sep 14, 2001 at 09:36:26PM -0700, Joseph Cheek wrote:
>>>>>
>>>>>>hello all,
>>>>>>
>>>>>>my shiny new cdrw hangs the system when i try to burn a cdrom. i've got a
>>>>>>a completely IDE system. hda and hdb are hard drives while hdc is a
>>>>>>standard cdrom and hdd is a cdrw.
>>>>>>
>>>>>>while burning cdrecord writes a couple of tracks and then the whole system
>>>>>>freezes [i need to hard power off]. i can blank cdrw's in the drive just
>>>>>>fine, however. i'm running 2.4.9-ac10 SMP [on a single-proc system] and
>>>>>>all partitions are ext3. ide-scsi is loaded as a module at boot.
>>>>>>
>>>>>>here's what /var/log/messages shows:
>>>>>>
>>>>>>Sep 14 21:12:45 sanfrancisco kernel: scsi : aborting command due to
>>>>>>timeout : pid 0, scsi0, channel 0, id 1, lun 0 0x00 00 00 00 00 00
>>>>>>Sep 14 21:12:54 sanfrancisco kernel: Device not ready. Make sure there is
>>>>>>a disc in the drive.
>>>>>>Sep 14 21:12:55 sanfrancisco last message repeated 2 times
>>>>>>Sep 14 21:13:20 sanfrancisco kernel: hdb: timeout waiting for DMA
>>>>>>Sep 14 21:13:20 sanfrancisco kernel: ide_dmaproc: chipset supported
>>>>>>ide_dma_timeout func only: 14
>>>>>>Sep 14 21:13:26 sanfrancisco kernel: scsi : aborting command due to
>>>>>>timeout : pid 0, scsi0, channel 0, id 1, lun 0 0x43 00 00 00 00 00 00 00
>>>>>>0c 00
>>>>>>Sep 14 21:13:37 sanfrancisco kernel: scsi : aborting command due to
>>>>>>timeout : pid 0, scsi0, channel 0, id 0, lun 0 0x2a 00 00 00 05 92 00 00
>>>>>>1f 00
>>>>>>Sep 14 21:13:37 sanfrancisco kernel: hdc: timeout waiting for DMA
>>>>>>Sep 14 21:13:37 sanfrancisco kernel: ide_dmaproc: chipset supported
>>>>>>ide_dma_timeout func only: 14
>>>>>>Sep 14 21:13:37 sanfrancisco kernel: hdd: status timeout: status=0xd8 {
>>>>>>Busy }
>>>>>>Sep 14 21:13:37 sanfrancisco kernel: hdd: DMA disabled
>>>>>>Sep 14 21:13:37 sanfrancisco kernel: hdd: drive not ready for command
>>>>>>Sep 14 21:13:41 sanfrancisco kernel: hdd: ATAPI reset complete
>>>>>>Sep 14 21:13:41 sanfrancisco kernel: hdd: irq timeout: status=0xd0 { Busy
>>>>>>}
>>>>>>Sep 14 21:13:42 sanfrancisco kernel: hdd: ATAPI reset complete
>>>>>>Sep 14 21:13:42 sanfrancisco kernel: hdd: irq timeout: status=0x80 { Busy
>>>>>>}
>>>>>>Sep 14 21:13:42 sanfrancisco kernel: scsi0 channel 0 : resetting for
>>>>>>second half of retries.
>>>>>>Sep 14 21:13:42 sanfrancisco kernel: SCSI bus is being reset for host 0
>>>>>>channel 0.
>>>>>>
>>>>>>any guesses?
>>>>>>
>>>>>>thanks!
>>>>>>
>>>>>>joe
>>>>>>
>>>>>>-
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>>>>>>
>


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