Re: Any way to make USB work?

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Stefan Reinauer wrote:
> did you load the v4l modules? What does dmesg say?

The required v4l module for the Philips webcam is 'pwc'. After modprobing=

it, the /var/log/messages shows no errors:

kernel: Linux video capture interface: v1.00
kernel: pwc Philips PCA645/646 + PCVC675/680/690 + PCVC730/740/750 webcam=

module version 8.6 loaded.
kernel: pwc Also supports the Askey VC010, Logitech Quickcam 3000 Pro,
Samsung MPC-C10 and MPC-C30,
kernel: pwc the Creative WebCam 5, SOTEC Afina Eye and Visionite VCS-UC30=
0
and VCS-UM100.
kernel: usb.c: registered new driver Philips webcam

The same webcam, when connected to SuSE-IA32 shows exactly the same
messages plus the following crucial line:

kernel: pwc Registered as /dev/video1.

And, by the way, when connecting the webcam to the ES40, the following
messages appear in the log:

kernel: hub.c: USB new device connect on bus1/1, assigned device number 2=

kernel: usb.c: USB device not accepting new address=3D2 (error=3D-60)
kernel: hub.c: USB new device connect on bus1/1, assigned device number 3=

kernel: usb.c: USB device not accepting new address=3D3 (error=3D-60)

The 'pwc' module has never been tested by it's author on Alpha (only on
x86, PowerPC and ARM). I was just curious to know if it worked. We have a=

XP1000 here, I will try to test it there too.

> what errors?

Meanwhile I've achieved some success: I am able to mount the partitions
and run 'ls'. Cool!
Sometimes 'ls -l' takes a long time to return. Maybe there is something
wrong with the partition's FAT filesystem, judging by the kernel log:

kernel: SCSI disk error : host 1 channel 0 id 0 lun 0 return code =3D 700=
00
kernel:  I/O error: dev 08:32, sector 265
kernel: bread in fat_access failed
kernel: Filesystem panic (dev 08:32).
kernel:   FAT error
kernel:   File system has been set read-only

After I format the drive's partitions, I will make further experiments.

> Since SuSE 8.1 Alpha Edition is an unsupported product, nobody really
> tested this I guess. I had my terratec usb camera working though

My colleague Carlos Rodrigues, made a patch for your xp1000usb module wit=
h
your fix for ES40:

diff -Nur xp1000usb-old/xp1000usb.c xp1000usb/xp1000usb.c
- --- xp1000usb-old/xp1000usb.c	2002-08-01 13:21:43.000000000 +0100
+++ xp1000usb/xp1000usb.c	2003-09-12 17:44:11.000000000 +0100
@@ -44,6 +44,11 @@

 	xp1000usb=3Dpci_find_slot(0,PCI_DEVFN(7,3));
 	if (!xp1000usb || xp1000usb->class!=3D0xc0310) {
+		printk(KERN_INFO "XP1000USB: XP1000 USB controller not found, maybe
this is an ES40, checking...\n");
+		xp1000usb=3Dpci_find_slot(0,PCI_DEVFN(0x13,0));
+	}
+
+	if (!xp1000usb || xp1000usb->class!=3D0xc0310) {
 		printk(KERN_WARNING "XP1000USB: no appropriate USB controller found.\n=
");
 		return -ENODEV;
 	}

And we may add the following line to /etc/modules

pre-install usb-ohci /sbin/insmod "-f" "/lib/modules/`uname
- -r`/kernel/drivers/usb/xpusb.o"

in order to load your module automatically on boot.

Thanks,
Jo=E3o Fraga


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