Re: 2.6.10--modutils on crack? Also 15-pin joystick
From: Dances With Crows (danSPANceswitTRAPhcrows_at_gmail.com)
Date: 01/25/05
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Date: 24 Jan 2005 23:27:19 GMT
On 24 Jan 2005 22:59:53 GMT, Bill Unruh staggered into the Black Sun and
said:
> Dances With Crows <danSPANceswitTRAPhcrows@gmail.com> writes:
>>I upgraded my desktop machine to the 2.6 kernel at the beginning of
>>January, figuring that 2.6.10 would be usable since 2.4.10 was. Most
> ???
In case you forgot, the 2.4 kernel suffered from VIA DMA bugs until
2.4.5, and VM problems until 2.4.10. Both those problems caused a
number of annoyances for me--filesystem damage, lengthy reiserfscks,
OOM-killer zapping the things I was working on, etcetera.
>>enough to complain about. My motherboard's USB 1 chipset is OHCI.
>>samantha:~# modprobe uhci_hcd
>>samantha:~#
> And how do you know that the uhci_hcd driver does not have anything to
> drive? You have usb on your system.
Yes, an *OHCI* USB chipset. Look:
samantha:~$ lspci -vv | grep UHCI
samantha:~$ lspci -vv | grep OHCI
0000:00:02.0 USB Controller: nVidia Corporation: Unknown device 0087
(rev a1) (prog-if 10 [OHCI])
0000:00:02.1 USB Controller: nVidia Corporation: Unknown device 0087
(rev a1) (prog-if 10 [OHCI])
...I'd say that there isn't an UHCI chipset anywhere on the PCI bus. If
I modprobe uhci_hcd and rmmod ohci_hcd, USB 1 devices don't work. If I
modprobe ohci_hcd, USB 1 devices work. I am not a kernel hacker, but I
am very good at troubleshooting problems with Linux and I've been doing
it since mid-1999, as a quick groups.google should show you.
> Try modprobe of something you know you do not have.
samantha:~# modprobe via-rhine
samantha:~#
...there's no VIA-Rhine NIC on this motherboard. It's a VIA Velocity.
When via-rhine successfully loaded, I thought I had networking. Imagine
my surprise when "ifconfig eth0 192.168.1.2 up" failed miserably.
>>...so the mechanism that module-init-tools uses to report problems
>>with the insertion of a module is working. At least partially. Why
>>doesn't uhci_hcd report problems in the way that ns558 does?
> Maybe because it did find something to drive?
Nope. Though it loads, there's no UHCI chipset anywhere on this
motherboard. The root cause is probably as Damjan said in Message-ID
35kt4sF4ovmc8U3@individual.net , a way for modules to be loaded even if
they don't have anything to drive. This is supposed to make hotplugging
easier, but it also makes troubleshooting more difficult.
-- Matt G|There is no Darkness in Eternity/But only Light too dim for us to see Brainbench MVP for Linux Admin / mail: TRAP + SPAN don't belong http://www.brainbench.com / Hire me! -----------------------------/ http://crow202.dyndns.org/~mhgraham/resume
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