[sane-devel] hp7400c won't work with latest sane ?

[Tymoteusz]

René Rebe pisze:
> Tymoteusz wrote:
>> René Rebe pisze:
>>> Hi,
>>>
>>> Tymoteusz wrote:
>>>> René Rebe pisze:
>>>>> Tymoteusz wrote:
>>>>>> Rene Rebe pisze:
>>>>>>> Hi,
>>>>>>>
>>>>>>> On 04.04.2008, at 01:05, Tymoteusz wrote:
>>>>>>>
>>>>>>>> m. allan noah pisze:
>>>>>>>>> On 4/3/08, Tymoteusz <tymoteusz.drozd at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>>> Yeah, just that X segfaulted, does not tell much.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> However, you could test with scanimage in a xterm (or 
>>>>>>>>>>> variant) or even
>>>>>>>>>>> the console text terminal to check your basic image processing
>>>>>>>>>>> functionality ...
>>>>>>>>>>>
>>>>>>>>>>> Yours,
>>>>>>>>>>>
>>>>>>>>>>> -- 
>>>>>>>>>>>  René Rebe - ExactCODE GmbH - Europe, Germany, Berlin
>>>>>>>>>>>  http://exactcode.de | http://t2-project.org | 
>>>>>>>>>>> http://rene.rebe.name
>>>>>>>>>>>
>>>>>>>>>> Well scanimage doesn't  crashing xorg. In this moment i've 
>>>>>>>>>> compiled old
>>>>>>>>>> sane-backends 1.0.18
>>>>>>>>>> and my scaner had return to previous state, it's working for 
>>>>>>>>>> now, but i
>>>>>>>>>> think that this situation is  not so fine. Is  there  anyway 
>>>>>>>>>> to solve
>>>>>>>>>> this problem ?
>>>>>>>>>>
>>>>>>>>> yes- get a debug log like i asked for previously....
>>>>>>>>>
>>>>>>>>> allan
>>>>>>>>>
>>>>>>>>> when i catch some more time i will try to investigate a
>>>>>>>>>
>>>>>>>>>> bit more this issue.
>>>>>>>>>>
>>>>>>>>>> Regards
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> -- 
>>>>>>>>>> sane-devel mailing list: sane-devel at lists.alioth.debian.org
>>>>>>>>>> http://lists.alioth.debian.org/mailman/listinfo/sane-devel
>>>>>>>>>> Unsubscribe: Send mail with subject "unsubscribe your_password"
>>>>>>>>>>             to sane-devel-request at lists.alioth.debian.org
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>> oups sorry i had forgotten to add ur email adres to my previous 
>>>>>>>> post
>>>>>>>> log is here http://atelier1.website.pl/N-A
>>>>>>> It is just inf. waiting for light warmup. I just yesterday found 
>>>>>>> a similar
>>>>>>> problem with a newer hardware and will provide a workaround when 
>>>>>>> done.
>>>>>>>
>>>>>>> Can you test if you can scan successfully if you let the scanner 
>>>>>>> warm
>>>>>>> it's light before you scan with the Avision SANE backend?
>>>>>>>
>>>>>>> Yours,
>>>>>>>
>>>>>> Well i have left scanner for warmup but this didn't give any 
>>>>>> difference.
>>>>>> Regards.
>>>>>
>>>>> Where is the log to take a look?
>>>>>
>>>>> Btw. I just noticed in the source I have on the screen the 7400
>>>>> is marked as AV_LIGHT_CHECK_BOGUS, which essentially ignores the
>>>>> light warmup state in the code. Can you review if your backend
>>>>> source you installed from contains this?
>>>>>
>>>>> Yours,
>>>>>
>>>> Hmm
>>>>
>>>> AV_LIGHT_CHECK_BOGUS appears in:
>>>>
>>>> /backend/
>>>>    767:avision.c
>>>>    2477:avision.c
>>>>    107:avision.h
>>>>
>>>>
>>>> log is here http://atelier1.website.pl/N-A
>>>> 7400_old.log is previous log
>>>> 7400.log is new one.
>>>>
>>>> also i'm sure that something had triggered lamp warmup because 
>>>> after 40min scanner was very hot (much warmer then after 30 scan's 
>>>> committed with old version of avison).
>>>
>>> So, still waiting for the light. Can you add a return 
>>> SANE_STATUS_GOODM;
>>> in the beginning of your wait_4_light() function in avision.c?
>>>
>>> If I find some time I'll send you some workaround for testing, as
>>> maybe the silicon would report a correct status if polled less often.
>>>
>>> If you have free time you could also test upfront if changing the
>>> sleep(1) that should be in your function to sleep(10) or sleep(20)
>>> fixes light detection for your scanner.
>>>
>>> Yours,
>>>
>> hmm i need some more info becuse i had
>>
>> avision.c: In function 'wait_4_light':
>> avision.c:2439: error: 'SANE_STATUS_GOODM' undeclared (first use in 
>> this function)
>>
>>
>> i had puted this here:
>>
>> wait_4_light (Avision_Scanner* s)
>> {
>>  return SANE_STATUS_GOODM; <<
>>  Avision_Device* dev = s->hw;
>>
>>  /* read stuff */
>>  struct command_read rcmd;
>>
>>
>> Regards
>
> Sorry, the trailing M was a typo from my side. SANE_STATUS_GOOD
> (taking a 2nd look) it should be.
>
> Depending on your compiler you might have to move the return after
> the variable declarations ...
>
> Yours,
>
Well thats gives difference.
Scanner have moved his head and started initialization.
But then stoped.
new log (7400_1.log) is here http://atelier1.website.pl/N-A

Regards