[sane-devel] epson 2450(firewire) crashes usb

[Gene Heskett]

On Monday 19 May 2003 15:20, rob wrote:
>Hi,
>
>I've just discovered that scanning crashes the usb system. What I
> get in syslog is this message:
>
>May 19 19:53:03 samantha kernel: uhci.c: a400: host system error,
> PCI problems?
>May 19 19:53:03 samantha kernel: uhci.c: a400: host controller
> halted. very bad
>
>Getting any more info is tricky as both my keyboard and mouse are
> usb.
>
>It's probably been a couple of months at least since I last
> scanned something so it's hard to know when the problem started
> prior to that it's been working great for at least 6 months.
>
>I'm running debian sid. 2.4.20.  libsane 1.0.11. The scanner is
> the perfection 2450 photo. The crash happens after a couple of
> minutes of use. It happens with both the uhci and usb-uhci. With
> uhci the scanner continues to scan fine with usb-uhci it locks
> the scanner up too. I don't have any other firewire devices to
> test with.

It might be your motherboard, older via chipsets would do that quite 
regularly, or even totally freeze the machine in mid-scan.

>
>The command used is:
>
>scanimage --focus-position 'Focus 2.5mm above glass' --source
>'Transparency Unit' --mode gray --film-type 'Negative Film' -x
> 25mm -y 35mm -l 8.5mm -t 3.3mm  --format pnm --resolution 2400
> --depth 16 > filmNoir13.pnm
>
>If I can give any more info let me know.
>
>Thanks

-- 
Cheers, Gene
AMD K6-III at 500mhz 320M
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Copyright 2003 by Maurice Eugene Heskett, all rights reserved.