Comment 378 for bug 621265

Simon, thanks for workaround. It works great!
This bug should be nominated to oneiric. Looks like regression for me. I've never had problems with this card from my first version of Ubuntu: 8.04! Since I've upgraded from 11.04 to 11.10 I'm getting this error:
Nov 3 20:05:14 konrad-laptop kernel: [14766.903244] iwl3945 0000:03:00.0: Microcode SW error detected. Restarting 0x82000008.
Nov 3 20:05:14 konrad-laptop kernel: [14766.903254] iwl3945 0000:03:00.0: Loaded firmware version: 15.32.2.9
Nov 3 20:05:14 konrad-laptop kernel: [14766.903290] iwl3945 0000:03:00.0: Start IWL Error Log Dump:
Nov 3 20:05:14 konrad-laptop kernel: [14766.903296] iwl3945 0000:03:00.0: Status: 0x0002A2E4, count: 1
Nov 3 20:05:14 konrad-laptop kernel: [14766.903301] iwl3945 0000:03:00.0: Desc Time asrtPC blink2 ilink1 nmiPC Line
Nov 3 20:05:14 konrad-laptop kernel: [14766.903530] iwl3945 0000:03:00.0: SYSASSERT (0x5) 0001830343 0x008B6 0x13756 0x00320 0x00000 764
Nov 3 20:05:14 konrad-laptop kernel: [14766.903533]
Nov 3 20:05:14 konrad-laptop kernel: [14766.903663] iwl3945 0000:03:00.0: Start IWL Event Log Dump: display last 20 count
Nov 3 20:05:14 konrad-laptop kernel: [14766.903706] iwl3945 0000:03:00.0: 0001830107 0x00000000 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903731] iwl3945 0000:03:00.0: 0001830111 0x00000000 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903756] iwl3945 0000:03:00.0: 0001830116 0x00000000 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903781] iwl3945 0000:03:00.0: 0001830120 0x00000000 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903806] iwl3945 0000:03:00.0: 0001830124 0x00000000 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903831] iwl3945 0000:03:00.0: 0001830128 0x00000000 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903856] iwl3945 0000:03:00.0: 0001830133 0x00000000 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903881] iwl3945 0000:03:00.0: 0001830137 0x00000000 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903906] iwl3945 0000:03:00.0: 0001830141 0x00000001 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903931] iwl3945 0000:03:00.0: 0001830142 0x0000000f 1106
Nov 3 20:05:14 konrad-laptop kernel: [14766.903955] iwl3945 0000:03:00.0: 0001830144 0x00000412 1105
Nov 3 20:05:14 konrad-laptop kernel: [14766.903980] iwl3945 0000:03:00.0: 0001830147 0x00000473 1115
Nov 3 20:05:14 konrad-laptop kernel: [14766.904005] iwl3945 0000:03:00.0: 0001830151 0x00000001 0463
Nov 3 20:05:14 konrad-laptop kernel: [14766.904030] iwl3945 0000:03:00.0: 0001830152 0x00000001 0462
Nov 3 20:05:14 konrad-laptop kernel: [14766.904056] iwl3945 0000:03:00.0: 0001830288 0x44130080 0401
Nov 3 20:05:14 konrad-laptop kernel: [14766.904081] iwl3945 0000:03:00.0: 0001830302 0x00000017 0452
Nov 3 20:05:14 konrad-laptop kernel: [14766.904106] iwl3945 0000:03:00.0: 0001830328 0x00103b6e 0450
Nov 3 20:05:14 konrad-laptop kernel: [14766.904131] iwl3945 0000:03:00.0: 0001830334 0x00103b6e 0450
Nov 3 20:05:14 konrad-laptop kernel: [14766.904155] iwl3945 0000:03:00.0: 0001830339 0x00103b6e 0450
Nov 3 20:05:14 konrad-laptop kernel: [14766.904180] iwl3945 0000:03:00.0: 0001830345 0x00000100 0125
Nov 3 20:05:14 konrad-laptop kernel: [14766.904224] iwl3945 0000:03:00.0: Error Reply type 0x000002FC cmd REPLY_SCAN_CMD (0x80) seq 0x4413 ser 0x00340000
Nov 3 20:05:14 konrad-laptop kernel: [14766.904415] iwl3945 0000:03:00.0: Command REPLY_SCAN_CMD failed: FW Error
Nov 3 20:05:14 konrad-laptop kernel: [14766.908861] iwl3945 0000:03:00.0: Can't stop Rx DMA.
Nov 3 20:05:14 konrad-laptop kernel: [14766.908940] ieee80211 phy0: Hardware restart was requested