>From: "Russell Krayer" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED], [EMAIL PROTECTED]
>CC: hplip-devel@lists.sourceforge.net
>Subject: Re: [HPLIP-Devel] big-endian troubles scanning?
>Date: Mon, 23 Oct 2006 21:06:54 -0400
>
>
>
>
>>From: "Russell Krayer" <[EMAIL PROTECTED]>
>>To: [EMAIL PROTECTED]
>>CC: hplip-devel@lists.sourceforge.net
>>Subject: Re: [HPLIP-Devel] big-endian troubles scanning?
>>Date: Thu, 19 Oct 2006 20:23:04 -0400
>>
>>
>>
>>
>> >From: "Russell Krayer" <[EMAIL PROTECTED]>
>> >To: [EMAIL PROTECTED]
>> >CC: hplip-devel@lists.sourceforge.net
>> >Subject: Re: [HPLIP-Devel] big-endian troubles scanning?
>> >Date: Thu, 19 Oct 2006 20:15:02 -0400
>> >
>> >
>> >
>> >
>> > >From: "Suffield, David" <[EMAIL PROTECTED]>
>> > >To: "Russell Krayer" <[EMAIL PROTECTED]>
>> > >CC: <hplip-devel@lists.sourceforge.net>
>> > >Subject: RE: [HPLIP-Devel] big-endian troubles scanning?
>> > >Date: Thu, 19 Oct 2006 13:45:57 -0500
>> > >
>> > >We have actually reproduced your problem on a powerpc running Ubuntu
>> > >(dapper). We get the same kernel message "(hpiod) did not claim
>> > >interface 0 before use". Same symtoms - prints ok, but scanning fails.
>> > >Dapper is running libusb 0.1.10a.
>> > >
>>
>>I should have mentioned my libusb is 0.1.12
>>
>>
>>
>> > >Like I said before libusb is not claiming the interface as expected.
>>For
>> > >our test we used a OJ 7400 and for that device hpiod will claim
>> > >interface #1 which is the 7/1/2 interface. Hpiod does not use
>>interface
>> > >#0.
>> > >
>> > >We going to test with Ubuntu Breezy since that was our last known
>> > >big-endian test setup that worked.
>> > >
>
>
>So I rebuilt my kernel with debugfs and usbmon and captured the activity on
>the two boxes I have. I'm pretty sure we're seeing byte-swapping issues.
>I stripped out the times and extra junk to show the differences more easily
>side by side with xxdiff.
>
>First here is from the broken box on powerpc:
>
>S Ci00 s 80 06 0300 0000 00ff 255 <
>C Ci00 0 4 = 04030904
>S Ci00 s 80 06 0302 0409 00ff 255 <
>C Ci00 0 32 = 20035000 53004300 20003200 32003000 30002000 53006500
>72006900 65007300
>S Ci00 s 80 06 0300 0000 00ff 255 <
>C Ci00 0 4 = 04030904
>S Ci00 s 80 06 0303 0409 00ff 255 <
>C Ci00 0 26 = 1a034d00 59003300 32004700 46003400 30005a00 4b003000 4700
>S Ci00 s 80 06 0300 0000 00ff 255 <
>C Ci00 0 4 = 04030904
>S Ci00 s 80 06 0302 0409 00ff 255 <
>C Ci00 0 32 = 20035000 53004300 20003200 32003000 30002000 53006500
>72006900 65007300
>S Ci00 s 80 06 0300 0000 00ff 255 <
>C Ci00 0 4 = 04030904
>S Ci00 s 80 06 0303 0409 00ff 255 <
>C Ci00 0 26 = 1a034d00 59003300 32004700 46003400 30005a00 4b003000 4700
>S Co00 s 01 0b 0000 0001 0000 0
>C Co00 0 0
>S Co00 s 01 0b 0000 0001 0000 0
>C Co00 0 0
>S Ci00 s a1 00 0000 0100 0400 1024 <
>C Ci00 0 158 = 009e4d46 473a4865 776c6574 742d5061 636b6172 643b4d44
>4c3a5053 43203232
>S Ci00 s a1 00 0000 0100 0400 1024 <
>C Ci00 0 158 = 009e4d46 473a4865 776c6574 742d5061 636b6172 643b4d44
>4c3a5053 43203232
>S Ci00 s c1 00 4d00 0100 0001 1 <
>C Ci00 0 1 = 00
>S Bi03 -115 8192 <
>C Bi03 0 0
>S Bo03 -115 8 = 00000008 00000003
>C Bo03 0 8 >
>S Bi03 -115 8192 <
>C Bi03 0 0
>S Bi03 -115 8192 <
>C Bi03 0 0
>
>
>And here is from a working AMD64 box:
>
>S Ci00 s 80 06 0300 0000 00ff 255 <
>C Ci00 0 4 = 04030904
>S Ci00 s 80 06 0302 0409 00ff 255 <
>C Ci00 0 32 = 20035000 53004300 20003200 32003000 30002000 53006500
>72006900 65007300
>S Ci00 s 80 06 0300 0000 00ff 255 <
>C Ci00 0 4 = 04030904
>S Ci00 s 80 06 0303 0409 00ff 255 <
>C Ci00 0 26 = 1a034d00 59003300 32004700 46003400 30005a00 4b003000 4700
>S Ci00 s 80 06 0300 0000 00ff 255 <
>C Ci00 0 4 = 04030904
>S Ci00 s 80 06 0302 0409 00ff 255 <
>C Ci00 0 32 = 20035000 53004300 20003200 32003000 30002000 53006500
>72006900 65007300
>S Ci00 s 80 06 0300 0000 00ff 255 <
>C Ci00 0 4 = 04030904
>S Ci00 s 80 06 0303 0409 00ff 255 <
>C Ci00 0 26 = 1a034d00 59003300 32004700 46003400 30005a00 4b003000 4700
>S Co00 s 01 0b 0000 0001 0000 0
>C Co00 0 0
>S Co00 s 01 0b 0000 0001 0000 0
>C Co00 0 0
>S Ci00 s a1 00 0000 0001 0400 1024 <
>C Ci00 0 158 = 009e4d46 473a4865 776c6574 742d5061 636b6172 643b4d44
>4c3a5053 43203232
>S Ci00 s a1 00 0000 0001 0400 1024 <
>C Ci00 0 158 = 009e4d46 473a4865 776c6574 742d5061 636b6172 643b4d44
>4c3a5053 43203232
>S Ci00 s c1 00 004d 0001 0001 1 <
>C Ci00 0 1 = 4d
>S Bi03 -115 8192 <
>C Bi03 0 0
>S Bo03 -115 8 = 00000008 00000003
>C Bo03 0 8 >
>S Bi03 -115 8192 <
>C Bi03 0 6 = 00000009 0000
>S Bi03 -115 8192 <
>C Bi03 0 3 = 800003
>S Bo03 -115 13 = 0000000d 00000704 20002000 00
>C Bo03 0 13 >
>S Bi03 -115 8192 <
>C Bi03 0 6 = 0000000d 0000
>S Bi03 -115 8192 <
>C Bi03 0 7 = 87000044 200000
>S Bo03 -115 11 = 0000000b 00000104 040000
>C Bo03 0 11 >
>S Bi03 -115 8192 <
>C Bi03 0 6 = 0000000a 0000
>S Bi03 -115 8192 <
>C Bi03 0 4 = 81000000
>S Bo03 -115 13 = 0000000d 00000701 20002000 00
>C Bo03 0 13 >
>S Bi03 -115 8192 <
>C Bi03 0 6 = 0000000d 0000
>
>
>The differences start at line 21.
>
>
>Regards,
>Russ Krayer
>
>
I think the first Bo line like this:
>S Bo03 -115 8 = 00000008 00000003
is the MLCInit with length 8 and rev 3 so the troubles seem to start before
that, as you suspected.
Russ Krayer
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