[Techtalk] Upgrading to kernel 2.6-test4 mouse problem

[Lucas Woods]

Hi,

devfs is mounted majically by the kernel, so drivers can register with
it and have their files created. 

devfsd is extremely useful to run for backwards compatibility until the
time that you have configured everything to use the new naming schemes
in devfs. 

As far as the mouse goes, /dev/mouse is a symlink usually created by
helpful distributions at install/configuration stages. You need to find
the actual device the mouse is attached to and either recreate the
symlink point your configuration at it. (AFAIK)

Now you need to track down the device your mouse is using. Is it a PS2
mouse?  If you're not running devfsd then I think the PS/2 mouse device
is /dev/psmouse. 



On Thu, 2003-09-25 at 20:53, Rudy L. Zijlstra wrote:
> Bud wrote:
> 
> >Hi Rudy,
> >
> > Thanks for the feedback. Actually we were using a precompiled kernel that was 
> >available in Debian SID.
> >
> > Can you send me some info on your /etc/fstab so I can see if there is some 
> >new devfs that makes it all work. We tried adding a devfs entry but that 
> >didnt seem to work (it did mount the dev but  lot of devices were still 
> >missing) I would have expected devfs to be mounted in the initrd that came 
> >wirth the kernel so devices can eb detected early on. I think if you later 
> >mount devfs you dont get all the devices?
> >
>  From my slackware desktop (2.6.0-test4):
> 
> /dev/sdb3        swap             swap        defaults         0   0
> /dev/sdb1        /                reiserfs    defaults         1   1
> /dev/sdb2        /usr/src         reiserfs    defaults         1   2
> /dev/sdb5        /tmp             reiserfs    defaults         1   2
> /dev/sdb6        /var/log         reiserfs    defaults         1   2
> /dev/sdb7        /home            reiserfs    defaults         1   2
> 
> /dev/hda1        /data/local/workspace0 reiserfs    defaults         1   2
> 
> /dev/md0         /data/local/workspace1 reiserfs    defaults         1   2
> /dev/hdc         /mnt/cdrom       iso9660     user,unhide,noauto,owner,ro  0   0
> /dev/scd0        /mnt/dvd         iso9660     user,unhide,noauto,owner,ro  0   0
> /dev/scd1        /mnt/cdrw        iso9660     user,unhide,noauto,owner,ro  0   0
> 
> /dev/sdd1        /mnt/cf          vfat        user,noauto,owner,rw  0  0
> 
> none             /dev/pts         devpts      gid=5,mode=620   0   0
> none             /proc            proc        defaults         0   0
> none             /proc/bus/usb    usbfs       defaults         0   0
> 
> >From the debian laptop (2.6.0-test1-ac1, sorry forgot i still have to upgrade that one):
> 
> /dev/hda3       /       ext3    defaults        0       1
> /dev/hda5       /usr/src reiserfs defaults      0       0
> /dev/hda6       swap    swap    defaults        0       0
> /dev/hda7       /tmp     reiserfs defaults      0       0
> /dev/hda8       /home    reiserfs defaults      0       0
> /dev/hda2       /data/slackware reiserfs defaults  0    0
> proc            /proc   proc    defaults        0       0
> /dev/fd0        /floppy auto    rw,user,noauto  0       0
> /dev/cdrom      /cdrom  iso9660 ro,user,noauto  0       0
> none             /proc/bus/usb    usbfs       defaults         0   0
> 
> In both cases the network mounts have been left out.
> I've never used devfs, so no experience there.
> 
> Good luck,
> 
> Rudy
> 
> >Bud
> >
> >On Thursday 25 September 2003 4:59 am, you wrote:
> >  
> >
> >>Bud wrote:
> >>    
> >>
> >>>Hi Rudy,
> >>>
> >>>This is on a desktop with a Logitech mouse.
> >>>
> >>>Bud
> >>>
> >>>On Tuesday 23 September 2003 1:14 pm, you wrote:
> >>>      
> >>>
> >>>>Bud wrote:
> >>>>        
> >>>>
> >>>>>Hi,
> >>>>>
> >>>>>One of my friends upgraded to kernel 2.6-test4 on debian (using SID) and
> >>>>>eveything boots fine except X fails to start because it says opening
> >>>>>/dev/mouse failed. For some reason the mouse device doesnt seem to get
> >>>>>detected with the new kernel and changing to /dev/psaux or
> >>>>>/dev/input/mice didnt work on XFree86Config file. Tried changing the
> >>>>>protocol to PS/2 and IMPS/2 still no luck.
> >>>>>
> >>>>>Has anyone come across this problem? Thanks in advance
> >>>>>
> >>>>>Bud
> >>>>>          
> >>>>>
> >>>>On a laptop or on a desktop? On a laptop you have to upgrade XFree
> >>>>touchpad driver.
> >>>>
> >>>>Cheers,
> >>>>
> >>>>Rudy
> >>>>        
> >>>>
> >>Hmmm,
> >>
> >>Did he compile his kernel or use a pre-compiled one? This desktop i am
> >>typing this from is on a modified slackware 9.0 with 2.6.0-test4, now up
> >>for 32 days without probs. And no device problems. My laptop is dual
> >>boot between slackware 9.0 and debian SID, runs the same kernel in both
> >>distros and also has no probs. I always run self-compiled kernels though.
> >>
> >>Problem may be related to the input section of the kernel configuration.
> >>
> >>Succes,
> >>
> >>Rudy
> >>    
> >>
> >
> >  
> >
> 
> 
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-- 
Regards,

Luke Woods
Network Engineer

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