Same problem with my DELL Latitude D630c:
0c:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or
AGN [Kedron] Network Connection (rev 61)
==CUT
[ 4427.218194] iwlagn 0000:0c:00.0: Microcode SW error detected. Restarting
0x2000000.
[ 4427.218206] iwlagn 0000:0c:00.0: Loaded firmware version: 228.61.2.24
[ 4427.218227] iwlagn 0000:0c:00.0: Start IWL Error Log Dump:
[ 4427.218233] iwlagn 0000:0c:00.0: Status: 0x000213E4, count: 5
[ 4427.218412] iwlagn 0000:0c:00.0: Desc Time
data1 data2 line
[ 4427.218423] iwlagn 0000:0c:00.0: SYSASSERT (0x0005)
0000002095 0x00000001 0x00000000 1384
[ 4427.218429] iwlagn 0000:0c:00.0: pc blink1 blink2 ilink1 ilink2 hcmd
[ 4427.218437] iwlagn 0000:0c:00.0: 0x021AC 0x0217A 0x021C2 0x006DE 0x00000
0x4DE004E
[ 4427.218443] iwlagn 0000:0c:00.0: FH register values:
[ 4427.218465] iwlagn 0000:0c:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG:
0X036fbf00
[ 4427.218485] iwlagn 0000:0c:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG:
0X00d72940
[ 4427.218505] iwlagn 0000:0c:00.0: FH_RSCSR_CHNL0_WPTR:
0X00000030
[ 4427.218523] iwlagn 0000:0c:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG:
0X80819004
[ 4427.218542] iwlagn 0000:0c:00.0: FH_MEM_RSSR_SHARED_CTRL_REG:
0X0000003c
[ 4427.218561] iwlagn 0000:0c:00.0: FH_MEM_RSSR_RX_STATUS_REG:
0X07030000
[ 4427.218579] iwlagn 0000:0c:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV:
0X00000000
[ 4427.218598] iwlagn 0000:0c:00.0: FH_TSSR_TX_STATUS_REG:
0X07ff0002
[ 4427.218617] iwlagn 0000:0c:00.0: FH_TSSR_TX_ERROR_REG:
0X00000000
[ 4427.218795] iwlagn 0000:0c:00.0: Start IWL Event Log Dump: display last 20
entries
[ 4427.218821] iwlagn 0000:0c:00.0: EVT_LOGT:3927467970:0x0000043e:1074
[ 4427.218837] iwlagn 0000:0c:00.0: EVT_LOGT:0000000008:0x000001c0:1005
[ 4427.218853] iwlagn 0000:0c:00.0: EVT_LOGT:0000000009:0x00000000:1208
[ 4427.218869] iwlagn 0000:0c:00.0: EVT_LOGT:0000000012:0x00000073:1209
[ 4427.218885] iwlagn 0000:0c:00.0: EVT_LOGT:0000000027:0x0000240e:1062
[ 4427.218901] iwlagn 0000:0c:00.0: EVT_LOGT:0000000031:0x00018fe1:1064
[ 4427.218916] iwlagn 0000:0c:00.0: EVT_LOGT:0000000032:0x00018fe0:1073
[ 4427.218932] iwlagn 0000:0c:00.0: EVT_LOGT:0000000037:0x00000001:1208
[ 4427.218947] iwlagn 0000:0c:00.0: EVT_LOGT:0000000048:0x11111111:1110
[ 4427.218963] iwlagn 0000:0c:00.0: EVT_LOGT:0000000065:0xef9a003b:0454
[ 4427.218979] iwlagn 0000:0c:00.0: EVT_LOGT:0000000066:0x00000000:0472
[ 4427.218994] iwlagn 0000:0c:00.0: EVT_LOGT:0000000072:0x00000006:0463
[ 4427.219010] iwlagn 0000:0c:00.0: EVT_LOGT:0000000074:0x00ffef9a:1111
[ 4427.219026] iwlagn 0000:0c:00.0: EVT_LOGT:0000000075:0x00000000:0651
[ 4427.219041] iwlagn 0000:0c:00.0: EVT_LOGT:0000000076:0x0000015b:0103
[ 4427.219057] iwlagn 0000:0c:00.0: EVT_LOGT:0000000170:0x0001008b:0250
[ 4427.219073] iwlagn 0000:0c:00.0: EVT_LOGT:0000000173:0x0000010f:0217
[ 4427.219088] iwlagn 0000:0c:00.0: EVT_LOGT:0000000175:0x020e001c:0218
[ 4427.219104] iwlagn 0000:0c:00.0: EVT_LOGT:0000002094:0x04de004e:0401
[ 4427.219120] iwlagn 0000:0c:00.0: EVT_LOGT:0000002098:0x00000000:0125
[ 4427.710068] iwlagn 0000:0c:00.0: Error sending REPLY_ADD_STA: time out after
500ms.
[ 4427.710082] iwlagn 0000:0c:00.0: Adding station 00:0e:d7:cd:e6:d0 failed.
[ 4428.210099] iwlagn 0000:0c:00.0: Error sending REPLY_ADD_STA: time out after
500ms.
[ 4428.210112] iwlagn 0000:0c:00.0: Adding station ff:ff:ff:ff:ff:ff failed.
[ 4428.210131] iwlagn 0000:0c:00.0: Error sending TX power (-5)
[ 9598.360047] iwlagn 0000:0c:00.0: Queue 4 stuck for 2000 ms.
[ 9598.360058] iwlagn 0000:0c:00.0: On demand firmware reload
[ 9598.572548] iwlagn 0000:0c:00.0: Attempting to modify non-existing station 31
==CUT
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https://bugs.launchpad.net/bugs/779159
Title:
[regression] after update to 11.04 wireless lan interruptions and
Microcode SW error detected. Restarting 0x82000000
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