Machine in question used to run RH9 with no problems running a 2.4.20 kernel with DMA enabled on all hard drives. Since doing a clean install of FC3, it's been impossible to enable DMA on the drives without leading to lots of timeout errors. I've tried every FC3 kernel and update without success. Currently running kernel-2.6.9-1.698_FC3. If I boot with ide=nodma, everything runs without issues, except for taking a huge performance penalty. With DMA enabled, I can reliably cause timeout errors every time. I've tried various combinations of unmasking IRQs and DMA to see if I can pinpoint the issue. The only trigger seems to be when DMA is enabled -- it doesn't matter if I have IRQ unmasking enabled or not (running with DMA disabled and IRQ unmasking enabled works fine, for instance). To test the setup, I run: e2fsck -f -D /dev/hdb1 which puts the drive through it's paces to see how it handles. The specific error messages are: hdb: dma_timer_expiry: dma status == 0x60 hdb: DMA timeout retry hdb: timeout waiting for DMA hdb: status error: status=0x58 { DriveReady SeekComplete DataRequest } ide: failed opcode was: unknown hdb: drive not ready for command hdb: dma_timer_expiry: dma status == 0x60 hdb: DMA timeout retry hdb: timeout waiting for DMA hdb: status error: status=0x58 { DriveReady SeekComplete DataRequest } ...etc. System info: PIIX3: IDE controller at PCI slot 0000:00:07.1 PIIX3: chipset revision 0 PIIX3: not 100% native mode: will probe irqs later ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:pio, hdb:pio ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:pio, hdd:pio ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 Probing IDE interface ide1... hdc: FX240S, ATAPI CD/DVD-ROM drive hdd: CRW6206A, ATAPI CD/DVD-ROM drive ide1 at 0x170-0x177,0x376 on irq 15 hda: max request size: 128KiB hda: 40000464 sectors (20480 MB) w/1024KiB Cache, CHS=39683/16/63 hda: cache flushes not supported hda: hda1 hdb: max request size: 128KiB hdb: 160086528 sectors (81964 MB) w/2048KiB Cache, CHS=65535/16/63 hdb: cache flushes not supported hdb: hdb1 hdc: ATAPI 24X CD-ROM drive, 256kB Cache hdd: ATAPI 6X CD-ROM CD-R/RW drive, 384kB Cache lspci -v output: 00:00.0 Host bridge: Intel Corp. 440FX - 82441FX PMC [Natoma] (rev 02) Flags: bus master, medium devsel, latency 32 00:07.0 ISA bridge: Intel Corp. 82371SB PIIX3 ISA [Natoma/Triton II] (rev 01) Flags: bus master, medium devsel, latency 0 00:07.1 IDE interface: Intel Corp. 82371SB PIIX3 IDE [Natoma/Triton II] (prog-if 80 [Master]) Flags: bus master, medium devsel, latency 32 I/O ports at ffa0 [size=16] 00:07.2 USB Controller: Intel Corp. 82371SB PIIX3 USB [Natoma/Triton II] (rev 01) (prog-if 00 [UHCI]) Flags: bus master, medium devsel, latency 32, IRQ 9 I/O ports at ff80 [size=32] 00:0b.0 SCSI storage controller: Adaptec AHA-2940U/UW/D / AIC-7881U Flags: bus master, medium devsel, latency 72, IRQ 11 I/O ports at fc00 [disabled] [size=256] Memory at ffbee000 (32-bit, non-prefetchable) [size=4K] 00:0f.0 Ethernet controller: 3Com Corporation 3c905 100BaseTX [Boomerang] Flags: bus master, medium devsel, latency 32, IRQ 9 I/O ports at fe80 [size=64] 00:11.0 Multimedia audio controller: Ensoniq ES1370 [AudioPCI] Subsystem: Unknown device 4942:4c4c Flags: bus master, slow devsel, latency 104, IRQ 10 I/O ports at ff00 [size=64] 00:13.0 PCI bridge: Hint Corp HB6 Universal PCI-PCI bridge (non-transparent mode) (rev 12) (prog-if 00 [Normal decode]) Flags: bus master, medium devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 Memory behind bridge: faf00000-fbffffff Prefetchable memory behind bridge: 00000000f6e00000-00000000fae00000 Capabilities: [80] Power Management version 2 Capabilities: [90] #06 [0000] Capabilities: [a0] Vital Product Data 01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 82) (prog-if 00 [VGA]) Subsystem: Matrox Graphics, Inc. Millennium G450 Dual Head PCI Flags: bus master, medium devsel, latency 136, IRQ 11 Memory at f8000000 (32-bit, prefetchable) [size=32M] Memory at fbffc000 (32-bit, non-prefetchable) [size=16K] Memory at fb000000 (32-bit, non-prefetchable) [size=8M] Capabilities: [dc] Power Management version 2 Capabilities: [f0] AGP version 2.0
Try booting with acpi=off just to check. I don't think that is the problem however. Are your cables 40 or 80 wire btw ?
An update has been released for Fedora Core 3 (kernel-2.6.12-1.1372_FC3) which may contain a fix for your problem. Please update to this new kernel, and report whether or not it fixes your problem. If you have updated to Fedora Core 4 since this bug was opened, and the problem still occurs with the latest updates for that release, please change the version field of this bug to 'fc4'. Thank you.
This bug has been automatically closed as part of a mass update. It had been in NEEDINFO state since July 2005. If this bug still exists in current errata kernels, please reopen this bug. There are a large number of inactive bugs in the database, and this is the only way to purge them. Thank you.