On Tuesday 24 April 2007 14:44, William Josephson wrote: > I've recently installed -CURRENT on a new machine after the > LCD in my old one died. I now have ZFS running as the root > filesystem. The result is very pleasant if a little slow, > although that may be my disk. I have noticed a fair number > of messages of the form ``ATA - FLUSHCACHE timed out'' while > running with ZFS. Is this expected behavior when running on > the bare metal? I see this when using gjournal too. I suspect the timeout on the flush cache command needs to be increased. I haven't got around to testing it but you could try increasing the timeout in ata-disk.c (around line 280) -> case BIO_FLUSH: request->u.ata.lba = 0; request->u.ata.count = 0; request->u.ata.feature = 0; request->bytecount = 0; request->transfersize = 0; request->timeout = 1; request->retries = 0; request->flags = ATA_R_CONTROL; request->u.ata.command = ATA_FLUSHCACHE; break; -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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