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Re: DMA errors with hard disk



VJ wrote:
Hi,
    I get this error a lot of times, and I have tried looking at google too
without any solution(all I saw were postings of the problem). My System is
Gigabyte 7DXR. Kernel version is 2.6.8-1.521.
    Has anybody found any solution to this problem?
Thanks and regards from
VJ

******************************* Result of lspci command
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South]
(rev 40)
00:07.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:07.4 SMBus: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 40)
[root dxr root]# lspci
00:00.0 Host bridge: Advanced Micro Devices [AMD] AMD-760 [IGD4-1P] System
Controller (rev 13)
00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-760 [IGD4-1P] AGP
Bridge
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South]
(rev 40)
00:07.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:07.4 SMBus: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 40)
00:09.0 Multimedia video controller: Internext Compression Inc iTVC15 MPEG-2
Encoder (rev 01)
00:0d.0 PCI bridge: Digital Equipment Corporation DECchip 21152 (rev 03)
00:0e.0 Multimedia audio controller: Ensoniq 5880 AudioPCI (rev 02)
00:10.0 Unknown mass storage controller: Promise Technology, Inc. 20265 (rev
02)
01:05.0 VGA compatible controller: ATI Technologies Inc Rage 128 RF/SG AGP
02:04.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev
05)
02:05.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev
05)

*************************** Part of /var/log/messages
kernel: hdb: dma_timer_expiry: dma status == 0x60
kernel: hdb: DMA timeout retry
kernel: hdb: timeout waiting for DMA
kernel: hda: status timeout: status=0xd0 { Busy }
kernel: hda: DMA disabled
kernel: hda: drive not ready for command
kernel: ide0: reset timed-out, status=0x80
kernel: hdb: status error: status=0x34 { DeviceFault SeekComplete
CorrectedError }
kernel: hdb: no DRQ after issuing WRITE
kernel: ide0: reset timed-out, status=0x80
kernel: hdb: status error: status=0x34 { DeviceFault SeekComplete
CorrectedError }


Have had this happen with some crappy hard drives I've run into over the
years.  Usually accompanies some loud clicking.  Chances are you are
trying to run in a DMA mode that the drive doesnt support, eg UDMA(100)
instead of UDMA(66) or the like.  Check your BIOS, if you have
configured your hard drives by hand you may have have a wrong setting.
Consider either letting your BIOS autodetect or passing values to the
kernel at boot time.  If this doesn't work I would like to see your
dmesg output, specifically where the kernel detects your drives and ide
controller(s).
--
Jacob
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adr:;;;Baltimore;Maryland;;United States
email;internet:dweomer+fedora entheal com
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