> The problem seems to lie in the sg driver, not specifically in aha1505 as I
> mentionned in another post, with an aha2940 (aic7xxx driver) it worked fine with
> 2.2.3 but *not* in 2.2.9 nor 2.2.10.
I verified this with a 2.2.10 kernel; I'm using it with the
AVA-1505AE ISA card that came with a SnapScan 1236. I could not get
it working with the 2.2.10 kernel, but replacing the `sg' driver
(include/scsi/sg.h and drivers/scsi/sg.c) with the files form 2.2.5
got it working.
However, I still see some strange things happen:
* During initialization (self test?) I see a lot of syslog messages
(but then it's working):
aha152x: more data than expected (128 bytes)
aha152x: data (ff ff ff ff ab ff ab cb 7 ff ff ff ff ff ff ff ff c5 86 55 32 21 1b 19 5 6 6 6 6 6 6 6 6 7 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 d 11 11 11 11 11 11 11 ff ff ff ff ff ff ff ff ab ff ab ca 6 ff ff ff ff ff ff ff ff c5 86 55 32 21 1b 19 5 6 6 6 )
aha152x: data ( 6 6 6 6 6 6 7 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 7 7 d 11 11 11 11 11 12 11 ff ff ff ff ff ff ff ff ab ff ab c9 7 ff ff ff ff ff ff ff ff c5 86 55 32 21 1b 19 5 6 7 6 6 6 6 6 6 6 6 6 6 7 7 7 6 6 6 7 7 7 7 7 7 7 7 7 6 7 7 6 )
aha152x: more data than expected (128 bytes)
aha152x: data ( 6 7 7 7 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 7 7 7 7 7 7 7 7 6 6 7 7 d f 10 10 11 11 11 11 ff ff ff ff ff ff ff ff ab ff ab c8 6 ff ff ff ff ff ff ff ff c5 86 55 32 21 1b 19 5 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 6 7 7 7 7 6 7 7 7 7 7 7 6 6 6 7 7 6 6 7 7 7 6 7 7 7 7 7 7 7 7 7 7 7 7 7 )
aha152x: more data than expected (128 bytes)
aha152x: data ( 7 7 7 7 d 11 10 10 11 11 11 12 ff ff ff ff ff ff ff ff ab ff ab c7 6 ff ff ff ff ff ff ff ff c5 86 55 32 21 1b 19 5 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 7 6 6 7 7 7 7 6 6 6 6 6 6 7 7 7 7 7 7 6 6 6 6 7 6 6 7 7 6 6 6 6 7 7 d 10 11 11 10 11 11 11 ff ff ff ff ff ff ff ff ab ff ab c6 6 ff ff ff )
aha152x: more data than expected (128 bytes)
aha152x: data (ff ff ff ff ff c5 86 55 32 21 1b 19 5 6 6 6 6 6 6 6 6 7 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 6 6 6 6 6 6 6 6 6 6 6 6 7 6 6 7 7 7 7 6 6 7 6 6 6 6 7 7 7 6 6 7 6 6 6 7 6 d 11 11 11 11 11 11 12 ff ff ff ff ff ff ff ff ab ff ab c5 6 ff ff ff ff ff ff ff ff c5 86 55 32 21 1b 19 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 )
...
* Probably interesting fact is that with the 2.2.10 driver the same
thing is happening (but then I can't access the driver, and the
scanner LED continues blinking). But here the syslog messages look
like that:
aha152x: more data than expected (132 bytes)
aha152x: data ( 6 6 6 6 6 6 6 7 7 7 6 6 6 6 6 6 6 6 6 6 7 7 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 6 6 7 6 6 6 6 6 7 c 11 11 11 11 11 11 11 ff ff ff ff ff ff ff ff ab ff ab ca 6 ff ff ff ff ff ff ff ff d8 9e 55 36 31 26 25 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 7 6 6 6 7 6 6 6 6 6 6 6 7 7 6 6 7 7 )
aha152x: more data than expected (132 bytes)
aha152x: data ( 6 6 6 6 7 6 6 6 6 6 6 6 6 7 7 6 6 6 6 6 6 6 6 7 d 10 10 10 10 10 11 11 ff ff ff ff ff ff ff ff ab ff ab c9 6 ff ff ff ff ff ff ff ff d8 9e 55 36 31 26 25 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 7 c 11 10 10 10 11 11 11 )
aha152x: more data than expected (132 bytes)
aha152x: data (ff ff ff ff ff ff ff ff ab ff ab c8 6 ff ff ff ff ff ff ff ff d8 9e 55 36 31 26 25 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 c 11 10 10 10 10 11 11 ff ff ff ff ff ff ff ff ab ff ab c7 6 ff ff ff ff ff ff ff ff d8 9e 55 36 31 26 25 5 5 6 6 )
aha152x: more data than expected (132 bytes)
aha152x: data ( 6 6 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 d 11 10 10 10 10 11 11 ff ff ff ff ff ff ff ff ab ff ab c6 6 ff ff ff ff ff ff ff ff d8 9e 55 36 31 26 25 4 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 )
So it's 132 instead of 128 "expected" bytes...
Wolfgang
-- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de Anything free is worth what you pay for it.
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