linux-kernel - Re: long-term regression

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Date:	Mon, 25 Jun 2007 15:40:28 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	david@...g.hm
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-usb-devel@...ts.sourceforge.net
Subject: Re: long-term regression

david@...g.hm wrote:
> On Thu, 21 Jun 2007, Randy Dunlap wrote:
> 
>> Date: Thu, 21 Jun 2007 08:36:59 -0700
>> From: Randy Dunlap <randy.dunlap@...cle.com>
>> To: Andrew Morton <akpm@...ux-foundation.org>
>> Cc: david@...g.hm, linux-kernel@...r.kernel.org,
>>     linux-usb-devel@...ts.sourceforge.net
>> Subject: Re: long-term regression
>>
>> On Thu, 21 Jun 2007 05:28:07 -0700 Andrew Morton wrote:
>>
>>>> On Sun, 17 Jun 2007 10:57:55 -0700 (PDT) david@...g.hm wrote:
>>>> I haven't had time to bisect this, but I'm having a problem on a AMD64
>>>> gentoo system where the printer doesn't work with recent kernels.
>>>>
>>>> 2.6.18-rc3 worked
>>>> 2.6.21.1 doesn't
>>>> 2.6.22-rc4 doesn't
>>>>
>>>> unfortunantly the system is gooted on 2.6.18 at the moment and I'm 
>>>> out of
>>>> town so my ability to test is limited I can provide the 2.6.22-rc4
>>>> (attached) and 2.6.18-rc3 configs.
>>>>
>>>> dmesg appears to show the port being detected, but writes to the port
>>>> under newer kernels appear to complete, but no data gets to the 
>>>> printer.
>>>>
>>>> any suggestions other then doing the large bisect?
>>>
>>> That would be good, thanks.  Please be sure to cc linux-usb-devel on
>>> the results.
>>
>> OK, I'm curious about how someone deduced that this is a problem
>> with a USB printer vs. parallel port printer since the config file has:
>>
>> CONFIG_PRINTER=y
>> CONFIG_USB_PRINTER=y
>>
>> The kernel boot log should probably be posted also.
> 
> here is the dmesg from 2.6.22-rc4 and kern.log showing 2.6.22.-rc4 and 
> 2.6.180rc3
> 
> the printer not working is the parallel port.

This email didn't show up on lkml or linux-usb-devel due to size limits (it was 900+ KB).

David, please send your working 2.6.18 config file.

Can you post the kernel log files on the web somewhere?

-- 
~Randy
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