linux-kernel - Re: parallel port problems with 2.6.21_rc5 and 2.6.21_rc6

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Message-Id: <20070513151201.f2b38720.randy.dunlap@oracle.com>
Date:	Sun, 13 May 2007 15:12:01 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Markus Koßmann <mkossmann_ml1@....de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: parallel port problems with 2.6.21_rc5 and
 2.6.21_rc6_git3-20070410174235

On Sat, 5 May 2007 16:58:22 +0200 Markus Koßmann wrote:

> Am Donnerstag, 3. Mai 2007 schrieb Randy Dunlap:
> > On Wed, 11 Apr 2007 20:40:23 +0200 Markus Koßmann wrote:
> > > When using either the unpatched  2.6.21_rc5   or SUSEs patched
> > > 2.6.21_rc6_git3-20070410174235 on a SUSE-10.2 x86_64 system the parallel
> > > port doesn't work right. If I "cat some_asciifile >/dev/lp0"  the output
> > > on my Epson Stylus Color 880 is unreadable.  "cat /dev/zero >/dev/lp0" 
> > > creates random characters on the paper. Printing using cups also doesn't
> > > work any more.
> > > Switching back to SUSEs  2.6.18.8-0.1 kernel fixes the problem.
> > > Any Ideas, what might be broken here ?
> >
> > Nope, but I have the same problem.
> > I'll dig into it some day, but it's not very high priority for me.
> >
> > I haven't tested it lately.  Do you still see this problem?
> >
> Yes, it still exists with SUSEs  2.6.21-20070502152652 kernel. Didn't check 
> with vanilla 2.6.21 yet. 

Hi Markus,

I just retested this on 2.6.21-git12 and didn't have a problem
with printing.  Can you test on 2.6.22-rc1?


---
~Randy
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