Greg, Kay, kernel people,
Today I booted 2.6.22-rc2 on Ubunty Edgy Eft, and lsusb died on me:
ahu@intel:~$ lsusb
ahu@intel:~$ sudo lsusb
ahu@intel:~$
This behaviour persists in rc4. This might be udev related. I'm running:
ii udev 093-0ubuntu18.0edgy2
USB does work fine.
Bit from strace:
open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3
fstat64(3, {st_mode=S_IFDIR|0755, st_size=80, ...}) = 0
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
getdents64(3, /* 4 entries */, 4096) = 112
close(3) = 0
open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3
fstat64(3, {st_mode=S_IFDIR|0755, st_size=80, ...}) = 0
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
getdents64(3, /* 4 entries */, 4096) = 112
getdents64(3, /* 0 entries */, 4096) = 0
close(3) = 0
(end of program)
ahu@intel:~$ ls -l /dev/bus/usb -d
drwxr-xr-x 3 root root 80 2007-05-26 21:58 /dev/bus/usb
ahu@intel:~$ ls -l /dev/bus/usb/
total 0
lrwxrwxrwx 1 root root 14 2007-05-26 21:58 devices -> .usbfs/devices
ahu@intel:~$ ls -l /dev/bus/usb/devices
lrwxrwxrwx 1 root root 14 2007-05-26 21:58 /dev/bus/usb/devices ->
.usbfs/devices
ahu@intel:~$ wc -l /dev/bus/usb/devices
95 /dev/bus/usb/devices
On another machine (debian etch), with an older kernel, where lsusb does
work:
open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3
fstat64(3, {st_mode=S_IFDIR|0755, st_size=80, ...}) = 0
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
getdents64(3, /* 4 entries */, 4096) = 96
close(3) = 0
open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3
fstat64(3, {st_mode=S_IFDIR|0755, st_size=80, ...}) = 0
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
getdents64(3, /* 4 entries */, 4096) = 96
getdents64(3, /* 0 entries */, 4096) = 0
close(3) = 0
open("/dev/bus/usb/001", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3
fstat64(3, {st_mode=S_IFDIR|0755, st_size=60, ...}) = 0
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
getdents64(3, /* 3 entries */, 4096) = 72
open("/dev/bus/usb/001/001", O_RDWR) = -1 EACCES (Permission denied)
open("/dev/bus/usb/001/001", O_RDONLY) = 4
Any clues? Please let me know how I can help solve this problem!
Bert
--
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