Bug 491
| Summary: | On Abit KD7 Usb doesn't "exist" while with linux 2.4.20 it runs perfectly | ||
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| Product: | Drivers | Reporter: | Samuele Kaplun (kaplun) |
| Component: | USB | Assignee: | Greg Kroah-Hartman (greg) |
| Status: | REJECTED DOCUMENTED | ||
| Severity: | high | CC: | andrew.grover |
| Priority: | P2 | ||
| Hardware: | i386 | ||
| OS: | Linux | ||
| Kernel Version: | 2.5.67 | Subsystem: | |
| Regression: | --- | Bisected commit-id: | |
| Bug Depends on: | 10 | ||
| Bug Blocks: | |||
| Attachments: |
This is the dmesg output, with usb debug on
This are all the modules I loaded in my test... This is the configuration of my kernel This is the dmesg output of 2.4.20 on the same platform... I hope it's useful This is the content of my /proc/bus/usb/device file This is the what happens after plugging all my usb device... What happens with modprobe uhci-hcd and no devices plugged in |
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Description
Samuele Kaplun
2003-03-23 11:08:41 UTC
Created attachment 228 [details]
This is the dmesg output, with usb debug on
I can't understand what the usb messages means... I can't find any wrong
message, but the devices (a mouse, a webcam, a printer, a scanner) aren't found
Created attachment 229 [details]
This are all the modules I loaded in my test...
Created attachment 230 [details]
This is the configuration of my kernel
I also modified my Makefile to include these gcc options:
-march=athlon-xp -mcpu=athlon-xp -mmmx -msse -m3dnow -mfpmath=sse
Um, it looks like your usb device is found just fine. What is the symptom of the problem? It looks like the modules load very well, while the devices don't run at all: I mean, I have an optical mouse, which doesn't fire up it's light, a little webcam which doesn't receive it's power from the computer and looks switched off... (with kernel 2.5.65 and earlier too) (I had a Gygabyte ViaKT333 since last two week, and all these devices worked perfectly with the same kernel...) Sorry for my disgusting English :-) [Aargh!!! read every "it's" like an "its"... :-D Sorry!] Created attachment 233 [details]
This is the dmesg output of 2.4.20 on the same platform... I hope it's useful
What does /proc/bus/usb/devices show on 2.5 with your devices plugged in? Created attachment 235 [details]
This is the content of my /proc/bus/usb/device file
I noticed one thing... for just a second, my mouse seems to react when its
module is loading, but then it suddenly shutdown...
ok, so the host controller drivers are loaded. Now try the following as root: dmesg -c # clears out the dmesg buffer plug the device into the usb bus dmesg Please attach the result of the final dmesg output above. Created attachment 256 [details]
This is the what happens after plugging all my usb device...
I've done this after loading uhci-hcd.ko, clearing my dmesg buffer...
I think it's also important the messages after modprobe uhci-hcd which I attach
next...
Created attachment 257 [details]
What happens with modprobe uhci-hcd and no devices plugged in
I activated all of the possible debug options and tricks in the kernel...
I patched kernel 2.4.20, aginst Con Kolivas patch set ck5... The usb system, stop to run properly, when backporting to 2.4 the acpi system of 2.5, as done with this patch set, I think... So I think the problem is concerned with acpi, too (as in bug 10) [I need to learn English, I know...] Wow! I disabled APIC and IOAPIC, in my 2.5.67 kernel, and the usb system returned to Life! But it's only a workaround, isn't it? No, that's not a "workaround", it's the way your hardware is wired :) |