Re: Realtek 8111c weirdness problems, apic/msi, and normal bug

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To: Francois Romieu <romieu@...>
Cc: Andrew Morton <akpm@...>, LKML Mailinglist <linux-kernel@...>, <linux-acpi@...>, <netdev@...>
Date: Thursday, April 10, 2008 - 9:11 pm

Sorry for top posting, but its just easier in this case :)

I may have just gotten some new information to share.

I just built -git8. and the nic didnt work.. by booting with
noapic/nomsi i got it running though. then i did some tests, and
rebooted into the default(has worked mostly for me) noapic/msi boot.
Then it worked.

i did get some interresting information though, which i think may help
to fix the problem..

if its a boot where the nic works, i can usually rmmod/modprobe the
module once without it giving error, however if its a boot where the nic
doesent work, first time i rmmod and modprobe, it gives me an error..

the error is:
PCI: cache line size of 32 is not supported by device 0000:05:00.0
ACPI: PCI interrupt for device 0000:05:00.0 disabled
r8169: probe of 0000:05:00.0 failed with error -22

I have attached some dmesgs(sorry, but my client messes up inlines..)
also.. link detecting isnt working properly, sometimes it will detect a
link as down after a while.. its quite weird..

(oh, and this time its without nvidia just to be 100000% sure)

I hope this can help to get it resolved, alot of people are having
problems with these controllers.. i can however confirm that a similar
controller is working perfectly on a friends gigabyte motherboard, thats
with P35 chipset though, i have X48. He has only 1 of them onboard.

also something which may be of interrest, realtek offers a modified
r8169 driver called "r8168", which supposedly fixes this. I have been
unable to get it to compile though, but i saw it on ubuntu forums.


On Thu, 2008-04-10 at 14:17 +0200, Kasper Sandberg wrote:

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Messages in current thread:
Realtek 8111c weirdness problems, apic/msi, and normal bug, Kasper Sandberg, (Sat Apr 5, 11:03 am)
Re: Realtek 8111c weirdness problems, apic/msi, and normal bug, Kasper Sandberg, (Thu Apr 10, 9:11 pm)