Re: [Fwd: Re: long-term regression - Parallel Port broken?]

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On Sat, 2007-07-21 at 19:04 -0700, david@xxxxxxx wrote:
> On Thu, 28 Jun 2007, Thomas Renninger wrote:
> 
> > Hi David,
> >
> > Could this problem have to do with this one:
> > https://bugzilla.novell.com/show_bug.cgi?id=180390
> > Tell me if you have problems accessing the bug, it should be public.
> > Unfortunately the ongoing of the bug stopped a bit for various reasons.
> 
> it's requireing a login, and I'm not particularly eager to play 20 guesses 
> to find a userid that's not already in use.
Yes, but posting on a bugzilla server needs an account...

> > The first comments pointed in the wrong direction, it's getting
> > interesting when Vojtech joined the conversation and things pointed to
> > acpi, possibly acpipnp.
> >
> > First a collection of acpidump outputs of affected machines would be
> > great, hopefully other reporters start helping again...
> 
> how do I generate an acpidump?
It's included in acpica sources:
http://developer.intel.com/technology/iapc/acpi/downloads.htm
You probably don't want to compile this..., don't know what distribution
you are using, the binary should already be provided ("acpidump"), maybe
you need to install a package including it...
then simply run:
>acpidump >/tmp/acpidump
and post the output file using plaintext as mime type.

   Thomas

> David Lang
> 
> > If it is the same bug, it's interesting that 2.6.18-rc3 worked for you
> > (vanilla or gentoo?). Because SLE[DS]10 is 2.6.16 based, we could have
> > backported the bug and that might help finding it?
> >
> > Thanks,
> >
> >   Thomas
> >
> > PS: I stripped the CC list, things seem to point to acpi...
> >
> > PSS: Has there already been a bug at bugzilla.kernel.org opened where
> > dmesg, acpidump and other info can be reviewed? If not this should be
> > done.
> >
> > On Wed, 2007-06-27 at 09:19 -0700, Randy Dunlap wrote:
> >> [adding linux-acpi@xxxxxxxxxxxxxxx]
> >>
> >> On Wed, 27 Jun 2007 00:38:17 -0700 (PDT) david@xxxxxxx wrote:
> >>
> >>> On Tue, 26 Jun 2007, Randy Dunlap wrote:
> >>>
> >>>> On Mon, 25 Jun 2007 15:56:17 -0700 (PDT) david@xxxxxxx wrote:
> >>>>
> >>>>> due to the size the files are posted at http://linux.lang.hm/linux
> >>>>>
> >>>>> let me know what else I can send to help.
> >>>>>
> >>>>> David Lang
> >>>>
> >>>>
> >>>> I suggest that you test 2.6.22-rcN using one or both of these
> >>>> boot options:
> >>>>
> >>>> noisapnp
> >>>> pnpacpi=off
> >>>>
> >>>> Somewhere between 2.6.18 and 2.6.22-development, the ACPI config
> >>>> symbol also starting enabling (selecting) PNP.  That's one of many
> >>>> differences....
> >>>
> >>> with the 2.6.22-rc4 kernel that I was useing earlier, adding these two
> >>> options clears up the problem. Thanks.
> >>>
> >>> should I test the two individually? or just plan on useing both from now
> >>> on?
> >>
> >> Yes, please test them individually.  I expect that just one of them
> >> will suffice, but I don't know which one.
> >>
> >>> I normally disable PnP (both ISA and PCI), should I leave it enabled with
> >>> the newer kernels and this motherboard?
> >>
> >> ACPI recently began enabling (selecting) PNP for you...
> >>
> >> How do you normally disable PCI PNP?
> >>
> >> What kind of hardware is this?  Please show us lspci output.
> >>
> >>>> I would also disable CONFIG_USB_USS720, at least for testing.
> >>>
> >>> for ease of testing (I got time to reboot the box around midnight) I used
> >>> the same config as before, so this is still on.
> >>>
> >>> David Lang
> >>>
> >>>>
> >>>>> On Mon, 25 Jun 2007, Randy Dunlap wrote:
> >>>>>
> >>>>>> Date: Mon, 25 Jun 2007 15:40:28 -0700
> >>>>>> From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
> >>>>>> To: david@xxxxxxx
> >>>>>> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx,
> >>>>>>     linux-usb-devel@xxxxxxxxxxxxxxxxxxxxx
> >>>>>> Subject: Re: long-term regression
> >>>>>>
> >>>>>> david@xxxxxxx wrote:
> >>>>>>>  On Thu, 21 Jun 2007, Randy Dunlap wrote:
> >>>>>>>
> >>>>>>>>  Date: Thu, 21 Jun 2007 08:36:59 -0700
> >>>>>>>>  From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
> >>>>>>>>  To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> >>>>>>>>  Cc: david@xxxxxxx, linux-kernel@xxxxxxxxxxxxxxx,
> >>>>>>>>      linux-usb-devel@xxxxxxxxxxxxxxxxxxxxx
> >>>>>>>>  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@xxxxxxx 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?
> >>
> >> ---
> >
> >
> >

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