Public bug reported:
iwlagn does not work at all with the new Mavrick kernel without the backports
package.
With the backports package it does work, but there is an error in syslog many
times per minute which goes like:
Aug 10 15:31:40 pad kernel: [ 1492.131790] iwlagn 0000:03:00.0: Microcode SW
error detected. Restarting 0x2000000.
Aug 10 15:31:40 pad kernel: [ 1492.131801] iwlagn 0000:03:00.0: Loaded firmware
version: 8.24.2.12
Aug 10 15:31:40 pad kernel: [ 1492.131842] iwlagn 0000:03:00.0: Start IWL Error
Log Dump:
Aug 10 15:31:40 pad kernel: [ 1492.131848] iwlagn 0000:03:00.0: Status:
0x000312E4, count: 5
Aug 10 15:31:40 pad kernel: [ 1492.132015] iwlagn 0000:03:00.0: Desc
Time data1 data2 line
Aug 10 15:31:40 pad kernel: [ 1492.132025] iwlagn 0000:03:00.0: SYSASSERT
(#05) 1037585563 0x0000008C 0x00000038 140
Aug 10 15:31:40 pad kernel: [ 1492.132031] iwlagn 0000:03:00.0: pc blink1
blink2 ilink1 ilink2 hcmd
Aug 10 15:31:40 pad kernel: [ 1492.132039] iwlagn 0000:03:00.0: 0x1F650 0x1F790
0x1F790 0x008B2 0x00000 0x4360010
Aug 10 15:31:40 pad kernel: [ 1492.132046] iwlagn 0000:03:00.0: CSR values:
Aug 10 15:31:40 pad kernel: [ 1492.132051] iwlagn 0000:03:00.0: (2nd byte of
CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
Aug 10 15:31:40 pad kernel: [ 1492.132082] iwlagn 0000:03:00.0:
CSR_HW_IF_CONFIG_REG: 0X00480303
Aug 10 15:31:40 pad kernel: [ 1492.132111] iwlagn 0000:03:00.0:
CSR_INT_COALESCING: 0X0000ff40
Aug 10 15:31:40 pad kernel: [ 1492.132140] iwlagn 0000:03:00.0:
CSR_INT: 0X00000000
Aug 10 15:31:40 pad kernel: [ 1492.132170] iwlagn 0000:03:00.0:
CSR_INT_MASK: 0X00000000
Aug 10 15:31:40 pad kernel: [ 1492.132199] iwlagn 0000:03:00.0:
CSR_FH_INT_STATUS: 0X00000000
Aug 10 15:31:40 pad kernel: [ 1492.132229] iwlagn 0000:03:00.0:
CSR_GPIO_IN: 0X00000000
Aug 10 15:31:40 pad kernel: [ 1492.132259] iwlagn 0000:03:00.0:
CSR_RESET: 0X00000000
Aug 10 15:31:40 pad kernel: [ 1492.132289] iwlagn 0000:03:00.0:
CSR_GP_CNTRL: 0X080403c5
Aug 10 15:31:40 pad kernel: [ 1492.132318] iwlagn 0000:03:00.0:
CSR_HW_REV: 0X00000054
Aug 10 15:31:40 pad kernel: [ 1492.132348] iwlagn 0000:03:00.0:
CSR_EEPROM_REG: 0X00000000
Aug 10 15:31:40 pad kernel: [ 1492.132378] iwlagn 0000:03:00.0:
CSR_EEPROM_GP: 0X90000004
Aug 10 15:31:40 pad kernel: [ 1492.132409] iwlagn 0000:03:00.0:
CSR_OTP_GP_REG: 0X00060000
Aug 10 15:31:40 pad kernel: [ 1492.132439] iwlagn 0000:03:00.0:
CSR_GIO_REG: 0X00080042
Aug 10 15:31:40 pad kernel: [ 1492.132469] iwlagn 0000:03:00.0:
CSR_GP_UCODE_REG: 0X000000e2
Aug 10 15:31:40 pad kernel: [ 1492.132498] iwlagn 0000:03:00.0:
CSR_GP_DRIVER_REG: 0X00000000
Aug 10 15:31:40 pad kernel: [ 1492.132528] iwlagn 0000:03:00.0:
CSR_UCODE_DRV_GP1: 0X00000000
Aug 10 15:31:40 pad kernel: [ 1492.132558] iwlagn 0000:03:00.0:
CSR_UCODE_DRV_GP2: 0X00000000
Aug 10 15:31:40 pad kernel: [ 1492.132588] iwlagn 0000:03:00.0:
CSR_LED_REG: 0X00000078
Aug 10 15:31:40 pad kernel: [ 1492.132618] iwlagn 0000:03:00.0:
CSR_DRAM_INT_TBL_REG: 0X8813399c
Aug 10 15:31:40 pad kernel: [ 1492.132648] iwlagn 0000:03:00.0:
CSR_GIO_CHICKEN_BITS: 0X27800200
Aug 10 15:31:40 pad kernel: [ 1492.132678] iwlagn 0000:03:00.0:
CSR_ANA_PLL_CFG: 0X00880300
Aug 10 15:31:40 pad kernel: [ 1492.132708] iwlagn 0000:03:00.0:
CSR_HW_REV_WA_REG: 0X0001001a
Aug 10 15:31:40 pad kernel: [ 1492.132738] iwlagn 0000:03:00.0:
CSR_DBG_HPET_MEM_REG: 0Xffff0000
And so on. See syslog for the rest.
iwlagn works under the Lucid kernel with or without backports installed.
These errors occur whether or not power management is turned on like:
iwconfig wlan0 power on
or
iwconfig wlan0 power off
A few days ago, the wireless had problems connecting to WPA and I
reported a bug about that (under the linux-image package). This seems to
have been resolved. The only problem now is this constant reloading of
the firmware and error dumping in the datalog.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-backports-modules-wireless-2.6.35-14-generic 2.6.35-14.4
ProcVersionSignature: Ubuntu 2.6.35-14.20-generic 2.6.35
Uname: Linux 2.6.35-14-generic x86_64
Architecture: amd64
Date: Tue Aug 10 15:30:32 2010
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-backports-modules-2.6.35
** Affects: linux-backports-modules-2.6.35 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug maverick
--
Microcode SW error detected. Restarting 0x2000000 -- iwlagn
https://bugs.launchpad.net/bugs/616104
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