Re: Kernel Panic with atmelwlandriver 2.1.2.2

Hi Andre,

On Wed, 23 Jul 2003, Andre Küster wrote:

> after trying out a Netgear MA311 (which works perfectly, but not with my AP)

What's the problem with your AP? Did you try both wlan-ng and host_ap?

> and an ADM8211-WL-200P Fiberline PCI-Card (does not work at all)
Strange, the WL-200X works here (the Cardbus card) with driver version
1.03, althrough I've tried ad-hoc mode only.

> Since a while I try to get this device running stable, but it will not work.
> I used Kernels 2.4.20, 2.4.21 and now 2.4.22pre7 and atmel-driver-version
> 2.1.2.2.  This is the first release, which is working over a longer
> period and
> crashes only happens under a few conditions.
>
> This are mainly firmware-upload-issues (I suppose), e.g. USB-Replug,
> reboot without
> "powering down" the usb-device and stuff... But the most annoying thing
> are the crashes
> under high load. The average "crash rate" during the download of an
> 650mb cd-iso file
> is 3 times, the kernel gets a NULL-Pointer-Reference and dies...
>
> Between the Kernel-Panic stuff I could read something about "process:
> hotplug"
> so maybe the usb-stuff is it, what produces the crash...
>
> Im am using the uhci.o Module for my MPV3-Via-USB-Controller,
> for which lspci -v gave me that infos...
>
> 00:07.2 USB Controller: VIA Technologies, Inc. USB (rev 02) (prog-if 00
> [UHCI])
>         Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
>         Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
> ParErr- Stepping- SERR- FastB2B-
>         Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
> <TAbort- <MAbort- >SERR- <PERR-
>         Latency: 64, cache line size 08
>         Interrupt: pin D routed to IRQ 10
>         Region 4: I/O ports at e400 [size=32]

No idea about the reason of the above problem, but could you try:

a) another USB controller hardware (some PCI card)?
b) an external hub and/or
c) the Berlios OS driver (http://at76c503a.berlios.de/)

/Jörg