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** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/305754
Title:
p54pci module freezes the system when loaded with a Netgear WG511
pcmcia wifi card (v1)
Status in linux package in Ubuntu:
Invalid
Bug description:
The system is an Acer TravelMate 212TVX laptop. The operating system version
is Ubuntu 8.10 (first freshly installed,
with the original 2.6.27-7 kernel, and later auto-updated through wired
network, with kernel 2.6.27-9).
If the Netgear WG511 (v1) wifi PCMCIA card is already inserted at bootup the
system freezes completely around 16%
of bootup process (right after starting the sound card driver, as a small
click can be heard through the speakers when
the sound card is started). While the system is completely locked (no
keyboard, no console switching, nothing)
just by removing the wifi card the system responds at once and resumes the
bootup process with no more
problems.
If the module is blacklisted (in /etc/modprobe.d/blacklist) to avoid the
startup lockup, and later mounted from Terminal
with "sudo modprobe p54pci" the system freezes as well most times, but not
always. When there is no lockup, usually
the card doesn't work at all, but I've seen it working 2 times (out of 20 or
so). If the system freezes, removing the card
unlocks the system and everything is fine.
Tested the computer with a PCMCIA ethernet card and everything works fine,
the system boots quick and smooth and
network connectivity under ubuntu GUI is perfect, so it seems that the PCMCIA
port is not the source of the problem.
As usual, the wifi card works well under windows xp. Under prims54 the card
works too, and doesn't freeze at all, but
this old module has a lot of problems with WPA, and WEP is not an option
right now. I've seen in the module blacklist
file that prism54 has been deprecated by default in ubuntu 8.10 (because of
the WPA problems, I suppose).
Tried to start the systema with acpi=off, noapic, nolapic and all that, just
in case, but nothing changed. Updating the
kernel chaged nothing as well.
Best regards.
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