Re: [OT] Who has record no. of DriveReady SeekComplete DataRequesterrors?

From: Pascal Schmidt
Date: Sun Jun 06 2004 - 07:14:35 EST


On Sun, 6 Jun 2004, Jens Axboe wrote:

> Interesting, and 2.6.2 works flawlessly? The only change in 2.6.3 wrt
> ide-cd is the addition of the != 2kB sector size support from Pascal
> Schmidt. A quick guess would be that blocklen isn't set, does this
> change anything for you?

Hmmm, another thing that just occured to me is that maybe some broken
drive might return the raw sector size, despite what the standard says.

> ===== drivers/ide/ide-cd.c 1.83 vs edited =====
> --- 1.83/drivers/ide/ide-cd.c 2004-05-29 19:04:42 +02:00
> +++ edited/drivers/ide/ide-cd.c 2004-06-06 11:27:51 +02:00
> @@ -2205,6 +2205,8 @@
> *capacity = 1 + be32_to_cpu(capbuf.lba);
> *sectors_per_frame =
> be32_to_cpu(capbuf.blocklen) >> SECTOR_BITS;
> + if (*sectors_per_frame == 0)
> + *sectors_per_frame = SECTORS_PER_FRAME;
> }
>
> return stat;

If this turns out to be the cause, maybe we should check that blocklen
isn't 0 and divisible by 512.

--
Ciao,
Pascal
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