On Thu, 3 Dec 1998, Kurt Garloff wrote:
> On Thu, Dec 03, 1998 at 02:19:59AM +0100, Bas Vermeulen wrote:
> > Hi,
> >
> > I am currently using a driver from Initio that supports the 9100UW SCSI
> > adapter. I am having some problems with this driver in combination with
> > the DC390 driver. (I know it isn't supported, and I am contacting Initio
> > as well, but wanted to see if anything major changed since 2.1.118)
> >
> > If things HAVE changed, in what way? I will try and implement the needed
> > changes in the driver code myself, if/when Initio is unwilling/unable to
> > do it. The drivers are under the GPL, so that would not be the problem.
>
> Well, I've seen a couple of reports about SANE breaking between 2.1.126 and
> .127, so there were changes, but I ddin't check of what kind those changes
> were. Maybe the timeout/timer handling changes?
I am able to run my Mustek SE 6000SP with the DC390, so that isn't the
case with your driver as far as my experience goes.
> > The problems I am having are the following: If I start a backup to a DAT
> > connected to the DC390(T), after a period of time there are read-timeouts
> > on the drives connected to the Initio card. During all other operation I
> > have not had any problems.
>
> Maybe your tape is very slow and the DC390 does lock the kernel for a too
> long time, when it transfers data to7from the tape. You should see DC390:
> Timeout (...) messages then, however.
The initio drivers still use cli()/sti() locking. From reading your driver
this kind of locking should only be used in < 2.1.30 or so, so I'm heavily
suspecting that. I haven't been able to find anything on the spin_lock
thingy yet (apart from the driver code, which I don't understand yet :)
I am NOT getting any Timeout messages from the DC390, only Read Errors
from my disks connected to the Initio. This does hangup other things as
well though, since my box becomes completely unresponsive to the point
that I have to reboot it with Alt-SysRq-b. This is NOT caused by the
DC390, but (IMO) by the faulty locking in the initio driver.
I want to try and fix that, and get it working reliably :) The driver is
kinda large though, and I have only the source to go by. But with a little
effort that should be doable.
Thanks,
Bas Vermeulen.
--
When I shop for hardware I always look for the "Designed for Windows 95" logo.
I really thank Microsoft(TM) for encouraging manufacturers to label their
products this way, so I know what to AVOID.
I stick to quality software:
Linux 2.0.36 | IBM OS/2 Warp (TM) v4.0
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