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Old 10-11-2012, 09:45 AM   #1
the_penguinator
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hid and usbhid modules not found


Running 64current with Alien's multilibs installed on a Compaq V5000 laptop. I can't get Xsane to run. Debugging this points to permissions on the usb device being wrong. However /proc/bus/usb does not exist. lsmod shows only usblp module installed, no hid or usbhid. I'm thinking this may be the problem. Doing insmod for hid, hid_generic and usbhid gives "no such file or directory" error.
Clues happily read!
 
Old 10-11-2012, 09:50 AM   #2
kikinovak
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If you use an initrd, these are the kind of modules you have to add explicitly to the MODULES line in /etc/mkinitrd.conf. Here's what mine looks like on this PC for example:

Code:
SOURCE_TREE="/boot/initrd-tree"
CLEAR_TREE="1"
OUTPUT_IMAGE="/boot/initrd.gz"
KERNEL_VERSION="$(uname -r)"
KEYMAP="fr_CH-latin1"
MODULE_LIST="ext4:usb-storage:pcmcia_core:pcmcia:mmc_core:ssb:ehci-hcd:ohci-hcd"
ROOTDEV="/dev/sda3"
ROOTFS="ext4"
RESUMEDEV="/dev/sda2"
RAID="0"
LVM="0"
UDEV="1"
MODCONF="0"
WAIT="1"
Use the /usr/share/mkinitrd/mkinitrd_command_generator.sh to know what particular modules you have to add explicitly.

Cheers,

Niki
 
Old 10-11-2012, 10:00 AM   #3
Didier Spaier
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That looks strange as both HID and USB_HID are among the kernel modules shipped in Slackware 14. Did you customize your kernel or do you use stock kernel & kernel-modules packages?
 
Old 10-11-2012, 10:44 AM   #4
the_penguinator
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Quote:
Originally Posted by Didier Spaier View Post
That looks strange as both HID and USB_HID are among the kernel modules shipped in Slackware 14. Did you customize your kernel or do you use stock kernel & kernel-modules packages?
Other than the use of Alien's multilib files, it's just a stock install. Maybe I should slackpkg reinstall kernel...? perhaps something got left behind?
 
Old 10-11-2012, 11:04 AM   #5
Didier Spaier
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I would try to reinstall the kernel-modules package. Be careful to select the X86-64smp version.
 
Old 10-11-2012, 11:14 AM   #6
the_penguinator
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Quote:
Originally Posted by Didier Spaier View Post
I would try to reinstall the kernel-modules package. Be careful to select the X86-64smp version.
yes this is strange...looked in /lib/modules and both hid.ko and usbhid.ko are there, modprobed both and neither appears in lsmod output after a reboot
going to eat/think and then reinstall the kernel-modules
 
Old 10-11-2012, 11:24 AM   #7
Didier Spaier
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If you could load it with the modprobe command, just uncomment the line
Code:
#/sbin/modprobe usbhid
in /etc/r.d/rc.modules. Both modules will be loaded at next system startup.
 
Old 10-11-2012, 01:19 PM   #8
the_penguinator
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Quote:
Originally Posted by Didier Spaier View Post
If you could load it with the modprobe command, just uncomment the line
Code:
#/sbin/modprobe usbhid
in /etc/r.d/rc.modules. Both modules will be loaded at next system startup.
weird...uncommented, rebooted, neither showed up in lsmod listing

looking through the a/ directory on a slack mirror and see only "kernel-modules-3.2.29-x86_64-1.txz" no SMP option...
 
Old 10-11-2012, 01:23 PM   #9
Didier Spaier
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Quote:
Originally Posted by the_penguinator View Post
weird...uncommented, rebooted, neither showed up in lsmod listing

looking through the a/ directory on a slack mirror and see only "kernel-modules-3.2.29-x86_64-1.txz" no SMP option...
My mistake, I forgot that all 64 bit kernels are smp capable... Did you check that all /etc/rc.d/rc.module* files be executable?
 
Old 10-11-2012, 03:17 PM   #10
the_penguinator
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Thanks Didier, it's functioning now, but I'm still left with a puzzle. I reinstalled the kernel-modules and rebooted. Xsane found the scanner and it works properly...however...

1) hid and usbhid still do not appear in lsmod output.
2) #cat /proc/bus/usb gives: no such file or directory
3) As root, #sane-find-scanner fails to find an attached USB scanner,
4) as root #scanimage -L gives: device `umax:libusb:002:002' is a UMAX Astra 2200 flatbed scanner
5) as user $sane-find-scanner gives:
could not open USB device 0x1d6b/0x0002 at 001:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 002:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 003:001: Access denied (insufficient permissions)
6) as user $scanimage -L gives:
device `umax:libusb:002:002' is a UMAX Astra 2200 flatbed scanner

yet Xsane is finding the scanner and it works perfectly...I don't like not knowing _why_ it's working...
Cheers
 
Old 10-11-2012, 03:54 PM   #11
Didier Spaier
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Quote:
Originally Posted by the_penguinator View Post
hid and usbhid still do not appear in lsmod output.
That's pretty strange as /etc/rc.d/rc.S should load it at startup, provided you uncommented the relevant line in /etc/rc.d/rc.modules and /etc/rc.d/rc.modules* be executable

Quote:
Originally Posted by the_penguinator View Post
.I don't like not knowing _why_ it's working...
Let me remind you the old saying:

« La pratique, c'est quand ça marche mais on ne sait pas pourquoi.
La théorie c'est quand ça ne marche pas mais on sait pourquoi.
Ici la pratique et la théorie sont réconciliées: ça ne marche pas et personne ne sait pourquoi ».

Cheers
 
  


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