Re: 3.1.0-rc9+ : wlan stops working w/o any error messages

From: Toralf Förster
Date: Mon Oct 17 2011 - 03:32:10 EST



David Rientjes wrote at 23:21:59
> What's the last kernel prior to 3.1-rc9 that worked for you?
2.6.39.4 (in general that kernel version rocks, reliable, stable, no problems
AFAICS, 3.0.x have problems in the DVB-T area, 3.1 added wlan issues)

> What does "iwconfig" show?
wlan0 IEEE 802.11abgn ESSID:"IBM"
Mode:Managed Frequency:2.462 GHz Access Point: 00:21:55:AC:8B:80
Bit Rate=54 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=49/70 Signal level=-61 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

> What does "dmesg | grep iwlagn" show?
n22 ~ # dmesg | grep iwlagn
iwlagn 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
iwlagn 0000:03:00.0: setting latency timer to 64
iwlagn 0000:03:00.0: pci_resource_len = 0x00002000
iwlagn 0000:03:00.0: pci_resource_base = f81f8000
iwlagn 0000:03:00.0: HW Revision ID = 0x0
iwlagn 0000:03:00.0: irq 48 for MSI/MSI-X
iwlagn 0000:03:00.0: Detected Intel(R) WiFi Link 5100 AGN, REV=0x54
iwlagn 0000:03:00.0: L1 Disabled; Enabling L0S
iwlagn 0000:03:00.0: device EEPROM VER=0x11e, CALIB=0x4
iwlagn 0000:03:00.0: Device SKU: 0Xf0
iwlagn 0000:03:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels
iwlagn 0000:03:00.0: loaded firmware version 8.83.5.1 build 33692
iwlagn 0000:03:00.0: L1 Disabled; Enabling L0S
iwlagn 0000:03:00.0: Radio type=0x1-0x2-0x0
iwlagn 0000:03:00.0: L1 Disabled; Enabling L0S
iwlagn 0000:03:00.0: Radio type=0x1-0x2-0x0


--
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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