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    SubjectRe: long-term regression
    On Mon, 25 Jun 2007 15:56:17 -0700 (PDT) david@lang.hm 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....


    I would also disable CONFIG_USB_USS720, at least for testing.


    > On Mon, 25 Jun 2007, Randy Dunlap wrote:
    >
    > > Date: Mon, 25 Jun 2007 15:40:28 -0700
    > > From: Randy Dunlap <randy.dunlap@oracle.com>
    > > To: david@lang.hm
    > > Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
    > > linux-usb-devel@lists.sourceforge.net
    > > Subject: Re: long-term regression
    > >
    > > david@lang.hm wrote:
    > >> On Thu, 21 Jun 2007, Randy Dunlap wrote:
    > >>
    > >> > Date: Thu, 21 Jun 2007 08:36:59 -0700
    > >> > From: Randy Dunlap <randy.dunlap@oracle.com>
    > >> > To: Andrew Morton <akpm@linux-foundation.org>
    > >> > Cc: david@lang.hm, linux-kernel@vger.kernel.org,
    > >> > linux-usb-devel@lists.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@lang.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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