2.4.19 USB Yes, 2.4.20 USB No

From: brian@worldcontrol.com
Date: Fri Jan 10 2003 - 02:00:02 EST

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Anyone know why USB support for my FXA32 disappeared between Linux kernel
2.4.19 to 2.4.20?

When I boot with 2.4.19 I get:

Jan 9 22:35:25 top kernel: usb-uhci.c: $Revision: 1.275 $ time 12:19:03 Nov 23 2002
Jan 9 22:35:25 top kernel: usb-uhci.c: High bandwidth mode enabled
Jan 9 22:35:25 top kernel: PCI: Setting latency timer of device 00:07.2 to 64
Jan 9 22:35:25 top kernel: usb-uhci.c: USB UHCI at I/O 0x1c00, IRQ 9
Jan 9 22:35:25 top kernel: usb-uhci.c: Detected 2 ports
Jan 9 22:35:25 top kernel: usb.c: new USB bus registered, assigned bus number 1
Jan 9 22:35:25 top kernel: hub.c: USB hub found
Jan 9 22:35:25 top kernel: hub.c: 2 ports detected
Jan 9 22:35:25 top kernel: PCI: Setting latency timer of device 00:07.3 to 64
Jan 9 22:35:25 top kernel: usb-uhci.c: USB UHCI at I/O 0x1c20, IRQ 9
Jan 9 22:35:25 top kernel: usb-uhci.c: Detected 2 ports
Jan 9 22:35:25 top kernel: usb.c: new USB bus registered, assigned bus number 2
Jan 9 22:35:25 top kernel: hub.c: USB hub found
Jan 9 22:35:25 top kernel: hub.c: 2 ports detected
Jan 9 22:35:25 top kernel: usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
Jan 9 22:35:26 top kernel: hub.c: USB new device connect on bus1/1, assigned device number 2
Jan 9 22:35:26 top kernel: dc2xx.c: USB Camera #0 connected, major/minor 180/80
Jan 9 22:35:29 top /etc/hotplug/usb.agent: ... no modules for USB product 0/0/0
Jan 9 22:35:29 top /etc/hotplug/usb.agent: ... no modules for USB product 0/0/0
Jan 9 22:35:29 top /etc/hotplug/usb.agent: Setup dc2xx for USB product 40a/111/100
Jan 9 22:35:29 top /etc/hotplug/usb.agent: Setup usbcam for USB product 40a/111/100
Jan 9 22:35:29 top /etc/hotplug/usb.agent: Module setup usbcam for USB product

When I boot with 2.4.20 I get:

Jan 9 22:54:00 top kernel: usb-uhci.c: $Revision: 1.275 $ time 23:08:09 Dec 23 2002
Jan 9 22:54:00 top kernel: usb-uhci.c: High bandwidth mode enabled
Jan 9 22:54:00 top kernel: usb-uhci.c: USB UHCI at I/O 0x1c00, IRQ 9
Jan 9 22:54:00 top kernel: usb-uhci.c: Detected 2 ports
Jan 9 22:54:01 top kernel: usb.c: new USB bus registered, assigned bus number 1
Jan 9 22:54:01 top kernel: hub.c: USB hub found
Jan 9 22:54:01 top kernel: hub.c: 2 ports detected
Jan 9 22:54:01 top kernel: usb-uhci.c: USB UHCI at I/O 0x1c20, IRQ 9
Jan 9 22:54:01 top kernel: usb-uhci.c: Detected 2 ports
Jan 9 22:54:01 top kernel: usb.c: new USB bus registered, assigned bus number 2
Jan 9 22:54:01 top kernel: hub.c: USB hub found
Jan 9 22:54:01 top kernel: hub.c: 2 ports detected
Jan 9 22:54:01 top kernel: usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
Jan 9 22:54:04 top /etc/hotplug/usb.agent: ... no modules for USB product 0/0/0
Jan 9 22:54:04 top /etc/hotplug/usb.agent: ... no modules for USB product 0/0/0

It is completely repeatable.

-- 
Brian Litzinger
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Next message: Denis Vlasenko: "Re: strange sparc64 -> i586 intermittent but reproducible NFS write errors to one and only one fs"
Previous message: Andrey Panin: "[PATCH] VISWS support for 2.5.55"
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