[sane-devel] HP ScanJet IIcx /T --- any hope?

[Moritz Angermann]

o.k. i changed the scsi kernel driver from aic7xxx to aic7xxx_old
and did 2 'trys' the first one sane.log.bz2 is with the still active
dumb-read option, the secound one withought.

reg.
 moritz angermann

Am Sam, 2003-01-04 um 16.17 schrieb abel deuring:
> Peter Kirchgessner wrote:
> > Hi,
> > 
> > from the logfile is see that everything is working well up to that point 
> > when the scan-data is read from the scanner. It immediately fails when 
> > trying to read 32768 bytes of data.
> > You are using the option dumb-read of the hp-backend. What happens 
> > without that option ? If scanning fails earlier, I would say the problem 
> > is the kernel driver of the card. This option could be used for Buslogic 
> > cards to work around a problem of the corresponding kernel driver.
> > It simply reads data from the scanner bytewise until an error occurs. 
> > This makes sense for small amount of data when setting up options in the 
> > scanner. But it makes no sense when reading the image data.
> > Just for a test please drop the option dumb-read and rerun scanimage
> > to create a new logfile.
> 
> The host status 7 for the failing command:
> 
> dev_max(currently)=8 max_active_device=3 (origin 1)
>   scsi_dma_free_sectors=176 sg_pool_secs_aval=320 def_reserved_size=32768
>   >>> device=sg2 scsi1 chan=0 id=2 lun=0   em=0 sg_tablesize=128 excl=1
>     FD(1): timeout=120000ms bufflen=131072 (res)sgat=4 low_dma=0
>     cmd_q=1 f_packid=0 k_orphan=0 closed=0
>       rb>> rcv: id=3058 blen=32768 dur=126010ms sgat=0 op=0x08
>       rcv: id=3059 blen=32768 dur=126000ms sgat=0 op=0x08
> [sanei_scsi] sanei_scsi.issue: 0x401d0008
> [sanei_scsi] sanei_scsi_req_wait: read 64 bytes
> [sanei_scsi] sanei_scsi_req_wait: SCSI command complained: Success
> [sanei_scsi] sense buffer: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> [sanei_scsi] target status: 00 host status: 0007 driver status: 0000
> [hp] do_read: Error from scsi_req_wait: Error during device I/O
> 
> indicates an error somewhere in the Linux SCSI system, most probably in 
> the adapter driver. Most 2.4.x kernel have two drivers for the Adaptec 
> 7xxx chips: aic7xxx and aic7xxx_old. Moritz, you could try to use the 
> other driver. Another question: Do you see anything related to this 
> problem in /var/log/messages?
> 
> Abel
> 
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-- 
Moritz Angermann <moritz.angermann at gmx.net>
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