El vie, 28-07-2006 a las 10:22 -0400, Alan Stern escribió: > On Fri, 28 Jul 2006, Alejandro Riveira Fernández wrote: > [...] > > > Nothing shows up when I turn on the printer only when i turn it off: > > > > Jul 28 02:38:07 localhost kernel: usb 2-1: USB disconnect, address 3 > > Jul 28 02:38:07 localhost kernel: drivers/usb/class/usblp.c: usblp0: removed > > Jul 28 02:38:08 localhost kernel: ohci_hcd 0000:00:0a.1: wakeup > > Jul 28 02:38:08 localhost kernel: usb 2-1: new full speed USB device using > > ohci_hcd and address 4 > > Jul 28 02:38:09 localhost kernel: usb 2-1: Product: DeskJet 3820 > > Jul 28 02:38:09 localhost kernel: usb 2-1: Manufacturer: Hewlett-Packard > > Jul 28 02:38:09 localhost kernel: usb 2-1: SerialNumber: CN32J1C20K18 > > Jul 28 02:38:09 localhost kernel: usb 2-1: configuration #1 chosen from 1 > > choice > > Jul 28 02:38:09 localhost kernel: drivers/usb/class/usblp.c: usblp0: USB > > Bidirectional printer dev 4 if 0 alt 0 proto 2 vid 0x03F0 pid 0x1904 > > This is what show up when you turn the printer on. It looks like > everything is working normally.
This appears when i turn the printer off...
>
> > I have used git bisect to pin down the bad commit. Both problems: lsusb
> > not showing anything due to usbfs not getting mounted automatically and
> > the printer not working[1] appear with the following commit:
> >
> > c182274ffe1277f4e7c564719a696a37cacf74ea is first bad commit
> > commit c182274ffe1277f4e7c564719a696a37cacf74ea
> > Author: Greg Kroah-Hartman <[EMAIL PROTECTED]>
> > Date: Mon Jun 19 23:59:31 2006 -0700
> >
> > [PATCH] USB: move usb_device_class class devices to be real devices
> >
> > This moves the usb class devices that control the usbfs nodes to show up
> > in the proper place in the larger device tree.
> >
> > No userspace changes is needed, this is compatible due to the symlinks
> > generated by the driver core.
> >
> > Cc: Kay Sievers <[EMAIL PROTECTED]>
> > Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
> >
> > :040000 040000 879a23a817afb7237bb79a24d2b80ebf66ec52cd
> > a9f43bad474a0d1877db24a11282427e863a2718 M drivers
> > :040000 040000 167350de305feb4e79d2656f00b28475461405ce
> > e2957848b084cce6cbab275d636ee8685ddbd789 M include
>
> Are you certain this patch is responsible? That is, if you remove the
> patch does everything then work correctly?
Yes, as far as i can tell i used git bisect correctly.
>
> This really appears to be a problem with ubuntu, not with the kernel.
> Have you tried asking on an ubuntu mailing list?
Well i come to think that maybe is a HAL problem. I have just read a
blog entry by HAL mantainer saying that i has just released a new
version of HAL with patches by Kay Sievers to make it work again with
kernels newer than 2.6.17.
Sorry to waste your and the list time with an userspace issue.
Anyway i think it is sad that people like me are prevented to test
newer kernels due to problems with Hal, udev, and the like...
Thanks again for your time.
> Alan Stern
>
Alejandro,
--
> All is fine except that I can reliably "oops" it simply by trying to
> read from /proc/apm (e.g. cat /proc/apm).
> oops output and ksymoops-2.3.4 output is attached.
> Is there anything else I can contribute?
The latitude and longtitude of the bios writers current position, and
a ballistic missile.
--Alan Cox LKML-December 08,2000
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