Messages in this thread | | | Date | Tue, 12 Sep 2000 23:12:23 -0700 (PDT) | From | Andre Hedrick <> | Subject | Re: Update Linux 2.4 Status/TODO list |
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On Wed, 13 Sep 2000 tytso@mit.edu wrote:
> 2. Capable Of Corrupting Your FS/data > > * Use PCI DMA by default in IDE is unsafe (must not do so on via > VPx, x < 3) (requires chipset tuning to be enabled according to > Andre Hedrick --- we need to turn this on by default -- TYT)
VIA Chipset code now handled by Vojtech Pavlik <vojtech@suse.cz>
> 4. Boot Time Failures > > * Use PCI DMA 'lost interrupt' problem with some hw [which ?] (NEC > Versa LX with PIIX tuning)
If this is a rare version of the BX/LX that has a no fix errata, then it will be messy to issue resets to get out of the loop.
> * HT6560/UMC8672 ide sets up stuff too early (before region stuff > can be done)
I have HT6560 fix some where ...
> * PIIXn tuning can hang laptop (2.4.0-test8-pre6, David Ford)
Need more details of how APM/ACPI is dorking with DMA settins by the OEM.
> * Multiwrite IDE breaks on a disk error [minor issue at best] > (hopefully fixed)
Have not seen this issue lately but that may be because of TF fixes that I use.
> * ACPI/APM suspend issue - IDE related stuff ? (requires full > taskfile support that was vetoed by Linus)
Only the IOCTL method, but the re-write will not happen in time to make 2.4 release.
> Probably Hardware Bugs > > * Data corruption on IDE disks (Generic PCI DMA and SiS support > Steven Walter) (sounds like PCChips #M599LMR motherboard doesn't > disable UDMA when a non-UDMA cable is used. If you disable UDMA in > the BIOS, then there is no problem. hardware bug?)
Try newest SIS code because it supports auto-dma-downgrade if iCRC's are hit.
Cheers,
Andre Hedrick The Linux ATA/IDE guy
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