Messages in this thread | | | Date | Thu, 22 Sep 2005 09:25:46 -0400 | Subject | Re: DMA broken in mainline 2.6.13.2 _AND_ opensuse vendor 2.6.13-15 | From | (Lennart Sorensen) |
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On Wed, Sep 21, 2005 at 10:28:18PM -0400, David R wrote: > DMA is broken in 2.6.13.2 and opensuse 2.6.13-15, for my cdrom/dvd > burner. > > My chipset is: > > 00:0f.1 IDE interface: VIA Technologies, Inc. > VT82C586A/B/VT82C686/A/B/VT823x/A/C/VT8235 PIPC Bus Master IDE (rev 06) > > I have also heard ICH5 has this problem as well. > > I can tell you that hdparm -iI /dev/hdb reports the drive in udma4 mode. > > This drive is a: LITE-ON DVDRW SOHW-1693S, FwRev=KS09 However I think > that maybe irrelevant. > > On .13 I get this at the end of dmesg: > > hdb: drive_cmd: status=0x51 { DriveReady SeekComplete Error } > hdb: drive_cmd: error=0x04 { AbortedCommand } > ide: failed opcode was: 0xec > hdb: drive_cmd: status=0x51 { DriveReady SeekComplete Error } > hdb: drive_cmd: error=0x04 { AbortedCommand } > ide: failed opcode was: 0xec > > On .12 I get this but not on .13: > > VP_IDE: VIA vt8237 (rev 00) IDE UDMA133 controller on pci0000:00:0f.1 > ide0: BM-DMA at 0xa000-0xa007, BIOS settings: hda:pio, hdb:DMA > ide1: BM-DMA at 0xa008-0xa00f, BIOS settings: hdc:pio, hdd:pio
What is on hda?
If nothing, fix your system. You should NOT have a slave without a master on an ide bus.
Probably won't fix things, but sometimes it does fix things.
Len Sorensen - 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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