Messages in this thread |  | | Date | Mon, 12 May 2003 15:23:30 +0200 | From | Jens Axboe <> | Subject | Re: 2.5.69, IDE TCQ can't be enabled |
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On Mon, May 12 2003, Oleg Drokin wrote: > Hello! > > On Mon, May 12, 2003 at 03:16:17PM +0200, Bartlomiej Zolnierkiewicz wrote: > > > > Just a note that we have found TCQ unusable on our IBM drives and we had > > > > some reports about TCQ unusable on some WD drives. > > > > Unusable means severe FS corruptions starting from mount. > > > > So if your FSs will suddenly start to break, start looking for cause with > > > > disabling TCQ, please. > > > I can confirm that. This drive Model=IBM-DTLA-307045, FwRev=TX6OA60A, > > > SerialNo=YMCYMT3Y229 has eaten my filesystem with TCQ on 2.5.69 > > TCQ is marked EXPERIMENTAL and is known to be broken. > > Probably it should be marked DANGEROUS or removed? > > How do you think people will test code that is removed? > Or do you mean that nobody plans to look at this ever? > I remember that Jens Axboe promised to take a look at it some > months ago.
Yeah, that is correct. OTOH, it's not a great loss. The SATA tcq will be much better, ide tcq is a really horrible beast.
-- Jens Axboe
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