Public bug reported:

I updated to Ubuntu 8.10 Intrepid Ibex a few days after it was released,
and am loving the experience so far - except for the wireless.

Way back in Fiesty, I had this weird issue where my wireless card would
simply die after a random amount of time.  Using the internet heavily
seemed to hasten the effect, although I could never discern exactly what
the issue was.  Shortly thereafter, Gutsy was released and it fixed
everything.  Hardy also worked extremely well.

Intrepid, on the other hand, seems to have regressed back to this
behavior.  I turn on my laptop, connect to the campus wireless, and a
random amount of time later it will disconnect and my CPU usage will
spike to 100% until I restart the computer entirely.  The only current
workaround is to disable the wireless by right-clicking network-manager
and unchecking "Enable Wireless", but this kills my only access to the
internet if I'm not sitting in my Residence Hall.

I originally posted in this bug 229611
(https://bugs.launchpad.net/ubuntu/+source/linux/+bug/229611) about it,
however that bug is about a 3945BG card, and I have an Intel
PRO/Wireless 2915ABG card.  In addition, my computer behaves differently
than the other users in that bug, I think.

So far, I have tried the following:

1.  I have installed all available kernel updates to date.  I am now running 
Ubuntu 2.6.27-7.16-generic according to cat /proc/version_signature
2.  I have attempted booting my computer with the irqpoll option enabled.  I 
did this because I was getting a message in dmesg that said I should try 
booting with it.  This option, however, makes my mouse virtually unusable and 
also does not solve the problem (in fact, I still get the same message even 
with irqpoll booted).
3.  I have installed linux-backports-modules-intrepid at the advice of Leann 
Ogasawara in bug 229611.  This did not solve the problem.  It is still also not 
solved with the backports modules installed and irqpoll booted.

I will attach my lspci -vvnn log, and a few dmesg logs from various
times this bug has been triggered.  It is important that this bug, on my
system, is reproduceable without fail, although it takes different
amounts of time to trigger it in each instance.  The number and type of
programs/processes running to not appear to make a difference at all.

Another interesting note is that my lspci -vvnn output has changed since
installing linux-backports-modules-intrepid.  It no longer tells me what
capabilities each entry have, and instead says "access denied".  The one
posted here lists all capabilities and was taken before installing
linux-backports-modules-intrepid on my system.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Wireless Card Fails After X Amount of Time or Y Amount of Data Transfered
https://bugs.launchpad.net/bugs/303802
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