Problem Description: The system hangs upon loading of uhci-hcd How to do it: Log in via ssh (the USB keyboard does not work after boot) execute 'modprobe uhci-hcd'
on the machine's display is printed: USB Universal Host Controller Interface driver v2.2 uhci_hcd 0000:00:10.0: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller and it just hangs. If uhci-hcd is compiled in, all you have to do is simply boot the machine; when uhci-hcd loads it locks up the machine. Distribution: Debian testing Hardware Environment: Opteron running in x86 mode on an Asus SK8V Software Environment: Linux snozberry 2.6.6 #1 Sat Jun 5 11:34:57 EDT 2004 i686 GNU/Linux Gnu C 3.3.4 Gnu make 3.80 binutils 2.14.90.0.7 util-linux 2.12 mount 2.12 module-init-tools 3.1-pre5 e2fsprogs 1.35 PPP 2.4.2 nfs-utils 1.0.6 Linux C Library 2.3.2 Dynamic linker (ldd) 2.3.2 Procps 3.2.1 Net-tools 1.60 Console-tools 0.2.3 Sh-utils 5.2.1 Modules Loaded snd_ens1370 snd_rawmidi snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_ak4531_codec snd nvidia ftdi_sio NOTE: this is the ouput of ver_linux running under my functional 2.6.6 kernel ----- In 2.6.6 (my working kernel), the boot messages look like this: Aug 31 23:50:23 snozberry kernel: ehci_hcd 0000:00:10.4: VIA Technologies, Inc. USB 2.0 Aug 31 23:50:23 snozberry kernel: ehci_hcd 0000:00:10.4: irq 7, pci mem e183f000 Aug 31 23:50:23 snozberry kernel: ehci_hcd 0000:00:10.4: new USB bus registered, assigned bus number 1 Aug 31 23:50:23 snozberry kernel: ehci_hcd 0000:00:10.4: USB 2.0 enabled, EHCI 1.00, driver 2003-Dec-29 Aug 31 23:50:23 snozberry kernel: hub 1-0:1.0: USB hub found Aug 31 23:50:23 snozberry kernel: hub 1-0:1.0: 4 ports detected Aug 31 23:50:23 snozberry kernel: USB Universal Host Controller Interface driver v2.2 Aug 31 23:50:23 snozberry kernel: uhci_hcd 0000:00:10.0: VIA Technologies, Inc. USB Aug 31 23:50:23 snozberry kernel: uhci_hcd 0000:00:10.0: irq 11, io base 0000c400 Aug 31 23:50:23 snozberry kernel: uhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 2 Aug 31 23:50:23 snozberry kernel: hub 2-0:1.0: USB hub found Aug 31 23:50:23 snozberry kernel: hub 2-0:1.0: 2 ports detected Aug 31 23:50:23 snozberry kernel: uhci_hcd 0000:00:10.1: VIA Technologies, Inc. USB (#2) Aug 31 23:50:23 snozberry kernel: uhci_hcd 0000:00:10.1: irq 11, io base 0000c800 Aug 31 23:50:23 snozberry kernel: uhci_hcd 0000:00:10.1: new USB bus registered, assigned bus number 3 Aug 31 23:50:23 snozberry kernel: hub 3-0:1.0: USB hub found Aug 31 23:50:23 snozberry kernel: hub 3-0:1.0: 2 ports detected Aug 31 23:50:23 snozberry kernel: usbcore: registered new driver audio Aug 31 23:50:23 snozberry kernel: drivers/usb/class/audio.c: v1.0.0:USB Audio Class driver Aug 31 23:50:23 snozberry kernel: usbcore: registered new driver usblp Aug 31 23:50:23 snozberry kernel: drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver Aug 31 23:50:23 snozberry kernel: Initializing USB Mass Storage driver... Aug 31 23:50:23 snozberry kernel: usbcore: registered new driver usb-storage Aug 31 23:50:23 snozberry kernel: USB Mass Storage support registered. Aug 31 23:50:23 snozberry kernel: usbcore: registered new driver hiddev Aug 31 23:50:23 snozberry kernel: usbcore: registered new driver hid Aug 31 23:50:23 snozberry kernel: drivers/usb/input/hid-core.c: v2.0:USB HID core driver Aug 31 23:50:23 snozberry kernel: usbcore: registered new driver usbserial Aug 31 23:50:23 snozberry kernel: drivers/usb/serial/usb-serial.c: USB Serial Driver core v2.0 Aug 31 23:50:23 snozberry kernel: mice: PS/2 mouse device common for all mice Aug 31 23:50:23 snozberry kernel: serio: i8042 AUX port at 0x60,0x64 irq 12 Aug 31 23:50:23 snozberry kernel: serio: i8042 KBD port at 0x60,0x64 irq 1 Aug 31 23:50:23 snozberry kernel: i2c /dev entries driver Aug 31 23:50:23 snozberry kernel: usb 2-1: new full speed USB device using address 2 Aug 31 23:50:23 snozberry kernel: hub 2-1:1.0: USB hub found Aug 31 23:50:23 snozberry kernel: hub 2-1:1.0: 4 ports detected Aug 31 23:50:23 snozberry kernel: usb 2-2: new full speed USB device using address 3 Aug 31 23:50:23 snozberry kernel: hub 2-2:1.0: USB hub found Aug 31 23:50:23 snozberry kernel: hub 2-2:1.0: 7 ports detected Aug 31 23:50:23 snozberry kernel: usb 2-2.2: new full speed USB device using address 4 Aug 31 23:50:23 snozberry kernel: drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 4 if 0 alt 0 proto 2 vid 0x04F9 pid 0x000E Aug 31 23:50:23 snozberry kernel: NET: Registered protocol family 2 Aug 31 23:50:23 snozberry kernel: usb 2-2.3: new full speed USB device using address 5 Aug 31 23:50:23 snozberry kernel: IP: routing cache hash table of 4096 buckets, 32Kbytes Aug 31 23:50:23 snozberry kernel: TCP: Hash tables configured (established 32768 bind 65536) Aug 31 23:50:23 snozberry kernel: NET: Registered protocol family 1 Aug 31 23:50:23 snozberry kernel: NET: Registered protocol family 17 Aug 31 23:50:23 snozberry kernel: NET: Registered protocol family 15 Aug 31 23:50:23 snozberry kernel: EXT3-fs: INFO: recovery required on readonly filesystem. Aug 31 23:50:23 snozberry kernel: EXT3-fs: write access will be enabled during recovery. Aug 31 23:50:23 snozberry kernel: hub 2-2.3:1.0: USB hub found Aug 31 23:50:23 snozberry kernel: hub 2-2.3:1.0: 4 ports detected Aug 31 23:50:23 snozberry kernel: usb 2-2.6: new full speed USB device using address 6 Aug 31 23:50:23 snozberry kernel: kjournald starting. Commit interval 5 seconds Aug 31 23:50:23 snozberry kernel: EXT3-fs: recovery complete. Aug 31 23:50:23 snozberry kernel: EXT3-fs: mounted filesystem with ordered data mode. Aug 31 23:50:23 snozberry kernel: VFS: Mounted root (ext3 filesystem) readonly. Aug 31 23:50:23 snozberry kernel: Freeing unused kernel memory: 180k freed Aug 31 23:50:23 snozberry kernel: usb 2-2.7: new low speed USB device using address 7 Aug 31 23:50:23 snozberry kernel: hid: probe of 2-2.7:1.0 failed with error -5 Aug 31 23:50:23 snozberry kernel: usb 2-1.1: new low speed USB device using address 8 Aug 31 23:50:23 snozberry kernel: Adding 131064k swap on /dev/sda3. Priority:-1 extents:1 Aug 31 23:50:23 snozberry kernel: input: USB HID v1.00 Keyboard [05f3:0007] on usb-0000:00:10.0-1.1 Aug 31 23:50:23 snozberry kernel: input: USB HID v1.00 Device [05f3:0007] on usb-0000:00:10.0-1.1 Aug 31 23:50:23 snozberry kernel: EXT3 FS on sda1, internal journal Aug 31 23:50:23 snozberry kernel: usb 2-1.2: new low speed USB device using address 9 Aug 31 23:50:23 snozberry kernel: input: USB HID v1.00 Mouse [Microsoft Microsoft Wheel Mouse Optical<AE>] on usb-0000:00:10.0-1.2 [mounting of hard disks and loading of nVidia module] Aug 31 23:52:08 snozberry kernel: drivers/usb/input/hid-input.c: event field not found Aug 31 23:52:08 snozberry kernel: drivers/usb/input/hid-input.c: event field not found Aug 31 23:58:19 snozberry kernel: usb 2-2.7: control timeout on ep0in in 2.6.8.1, they look like this: http://bugme.osdl.org/attachment.cgi?id=3603&action=view Thanks. 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