Re: regression: ide-floppy doesn't work with IOMEGA IDE ZIP drive

[Tejun Heo <htejun@gmail.com>]

Stanislav Brabec wrote:
> Looking at the syslog in Novell bug 232086 in detail, following line may
> indicate hardware failure:
> usb 5-1: string descriptor 0 read error: -22

I don't think usb 5-1 is related to ide-floppy problem.

> My drive is a slave on bus, where master is a modern Seagate ST3160812A.
> 
> On my system I see two regressions:
> - One between year 2002 kernels and SuSE Linux 10.0:
>   Delay with "packet command initiated yet DRQ isn't asserted" before
>   first read access, then the read will succeed.
>   I did not yet reproduce this regression just now on my hardware.
> - Second between SuSE 10.1 and 10.2:
>   Delay with "packet command initiated yet DRQ isn't asserted" before
>   any attempt to access, then it will fail.
>   This regression is reproducible just now on my hardware, but still may
>   be caused by hardware problems raised by a slightly different
>   initialization order.

I see.

> Tejun Heo wrote:
>> [libata]
>> And, as the device requires custom high level driver, libata fails
>> miserably.  Would it be worth to try support these devices?  Or are
>> they just too outdated to put the effort in?
> 
> As far as I remember, it was working without any special driver with
> ide-scsi.

If that's the case, libata should work too as long as the HSM problem is
fixed.

-- 
tejun