On sam, 2009-10-10 at 23:05 +0200, Wouter Cloetens wrote: > Package: firmware-iwlwifi > Version: 0.18 > Severity: grave > Justification: renders package unusable > > > Firmware iwlwifi-4965-2.ucode version 228.61.2.24 in firmware-iwlwifi 0.18 > renders the wlan interface unusable. After a couple of minutes, the > following message appears in syslog: > > iwlagn 0000:03:00.0: Microcode SW error detected. Restarting 0x82000000. > > .... after which no packets can be sent, though the interface appears up. > Simply restarting the interface brings it up again. > > Downgrading to 0.17 with firmware 228.57.2.23 solves the problem for me. > However, since 0.18 is already in squeeze, that version was hard to track > down. I found it in lenny-backports ultimately: > > > http://www.backports.org/debian/pool/non-free/f/firmware-nonfree/firmware-iwlwifi_0.17~bpo50+1_all.deb > > Googling this problem turns up hits in every distribution imaginable. > Other Debian bugs that are possibly related are 546213 and 548749. > Allegedly Ubunty Karmic Koala fixes the problem, however, package > linux-firmware_1.21_all.deb also contains 228.61.2.24. A combination of > kernel driver and firmware version perhaps? > > Intel seems unaware of the problem. 228.61.2.24 is still the latest version > on: > http://intellinuxwireless.org/?p=iwlwifi&n=downloads > > This is very serious. Please revert to the older microcode version. > > More information about my environment: > Intel Wireless WiFi 4965AGN. (ThinkPad R61, 802.11n draft WPA2 AP). > >From lspci: > 03:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN > [Kedron] Network Connection (rev 61) > > wlan0 IEEE 802.11abgn ESSID:"<censored>" > Mode:Managed Frequency:2.437 GHz Access Point: <censored> > Bit Rate=54 Mb/s Tx-Power=15 dBm > Retry min limit:7 RTS thr:off Fragment thr:off > Power Management:off > Link Quality=48/70 Signal level=-62 dBm Noise level=-91 dBm > Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 > Tx excessive retries:0 Invalid misc:0 Missed beacon:0 >
I'm on the same card, on a T61, and it works fine (but I don't connect to a 802.11n AP so maybe it's related) -- Yves-Alexis
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