Messages in this thread Patch in this message | | | Date | Mon, 24 Jun 2002 10:54:57 +0200 | From | Stelian Pop <> | Subject | Re: hda: error: DMA in progress.. |
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On Fri, Jun 21, 2002 at 04:57:24PM +0200, Stelian Pop wrote:
> Martin, I have the same problem on my Sony Vaio C1VE, > Intel Corp. 82371AB/EB/MB PIIX4 IDE (rev 01), HITACHI_DK23AA-12 disk. > > It doesn't even boot, the "DMA in progress error..." appears just > after having mounted the root partition. 2.5.23 worked on this laptop.
Ok, after poking around the "waiting_for_dma" changes, I found that the attached patch is solving all my problems, my laptop works again.
BIG FAT WARNING: I have a very limited knowledge in the ide driver internals, the attached patch could destroy all your data!
Please advice.
Stelian.
===== include/linux/ide.h 1.90 vs edited ===== --- 1.90/include/linux/ide.h Thu Jun 20 13:35:15 2002 +++ edited/include/linux/ide.h Mon Jun 24 10:17:00 2002 @@ -766,10 +766,12 @@ */ static inline ide_startstop_t udma_init(struct ata_device *drive, struct request *rq) { - int ret = drive->channel->udma_init(drive, rq); - if (ret == ide_started) - set_bit(IDE_DMA, drive->channel->active); - + int ret; + + set_bit(IDE_DMA, drive->channel->active); + ret = drive->channel->udma_init(drive, rq); + if (ret != ide_started) + clear_bit(IDE_DMA, drive->channel->active); return ret; } -- Stelian Pop <stelian.pop@fr.alcove.com> Alcove - http://www.alcove.com - 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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