Messages in this thread | | | Date | Thu, 31 Jul 2003 01:20:46 +0200 (MET DST) | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: Warn about taskfile? |
| |
On Thu, 31 Jul 2003, Pavel Machek wrote:
> Hi! > > > > I had some strange fs corruption, and andi suggested that it probably > > > is TASKFILE-related. Perhaps this is good idea? > > > > Idea is good. > > > > Did corruption go away after disabling taskfile? > > Not sure, it took week for corruption to creep in, and it might have > been loop-related or swsusp-related. I'm not at all sure it was > TASKFILE, but I'm turning it off for now.
I doubt it was taskfile, your /dev/hda is using UDMA so taskfile's impact is minimal. I've checked this codepath once again today and can't see anything which has (possibly) caused Andi's problems.
I think if it is taskfile related it might be caused by some timing issues (races) and should be visible (less frequently) with non-taskfile code too and this is not happening.
If you are not sure if it was taskfile why do you want to warn about it? [ Because Andi is spreading FUD about taskfile? ;-) ]
> At least it is strange to have option that says both "experimental" > and "it is safe to say Y". What are those "most cases"?
Using (U)DMA should be 100% safe, using single-sector PIO should also be safe, using multi-sector PIO might be less safe... -- Bartlomiej
- 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/
| |