Mailinglist Archive: opensuse-bugs (4060 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=662733

https://bugzilla.novell.com/show_bug.cgi?id=662733#c0


           Summary: WLAN connection drops regularly
    Classification: openSUSE
           Product: openSUSE 11.4
           Version: Milestone 5 of 6
          Platform: x86-64
        OS/Version: SuSE Other
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: Kernel
        AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
        ReportedBy: jonas@xxxxxxxxx
         QAContact: qa@xxxxxxx
          Found By: ---
           Blocker: ---


User-Agent:       Mozilla/5.0 (X11; Linux x86_64; rv:2.0b7) Gecko/20101105
Firefox/4.0b7

Network controller: Intel Corporation WiFi Link 5100

My wlan connection drops several times per hour. 

Jan  5 11:47:20 svarde kernel: [73097.779647] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 4
Jan  5 11:47:24 svarde kernel: [73101.406702] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 5
Jan  5 11:47:27 svarde kernel: [73105.220196] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 3
Jan  5 11:47:31 svarde kernel: [73108.947436] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 4
Jan  5 11:47:35 svarde kernel: [73112.594379] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 4
Jan  5 11:47:38 svarde kernel: [73116.178425] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 6
Jan  5 11:47:42 svarde kernel: [73119.890423] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 5
Jan  5 11:47:46 svarde kernel: [73123.358259] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 5
Jan  5 11:47:49 svarde kernel: [73127.006671] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 5
Jan  5 11:47:53 svarde kernel: [73130.590750] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 6
Jan  5 11:47:57 svarde kernel: [73134.238661] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 5
Jan  5 11:48:00 svarde kernel: [73137.950635] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 3
Jan  5 11:48:03 svarde kernel: [73141.218070] iwlagn 0000:09:00.0:
iwlagn_tx_agg_start on ra = 00:25:9c:4d:72:99 tid = 0
Jan  5 12:05:03 svarde kernel: [74160.446365] iwlagn 0000:09:00.0: low ack
count detected, restart firmware
Jan  5 12:05:03 svarde kernel: [74160.446376] iwlagn 0000:09:00.0: On demand
firmware reload
Jan  5 12:05:03 svarde kernel: [74160.479146] iwlagn 0000:09:00.0: Stopping AGG
while state not ON or starting
Jan  5 12:05:03 svarde kernel: [74160.479155] iwlagn 0000:09:00.0: queue number
out of range: 0, must be 10 to 19
Jan  5 12:09:21 svarde kernel: [74418.741690] iwlagn 0000:09:00.0: Aggregation
not enabled for tid 0 because load = 10
Jan  5 12:09:24 svarde kernel: [74421.929079] iwlagn 0000:09:00.0:
iwlagn_tx_agg_start on ra = 00:25:9c:4d:72:99 tid = 0
Jan  5 12:15:03 svarde kernel: [74760.506419] iwlagn 0000:09:00.0: low ack
count detected, restart firmware
Jan  5 12:15:03 svarde kernel: [74760.506428] iwlagn 0000:09:00.0: On demand
firmware reload
Jan  5 12:15:03 svarde kernel: [74760.539065] iwlagn 0000:09:00.0: Stopping AGG
while state not ON or starting
Jan  5 12:15:03 svarde kernel: [74760.539076] iwlagn 0000:09:00.0: queue number
out of range: 0, must be 10 to 19
Jan  5 12:18:07 svarde NetworkManager[1854]: <info> (wlan0): new 802.11 WiFi
device (driver: 'iwlagn' ifindex: 3)
Jan  6 11:48:15 svarde NetworkManager[1843]: <info> (wlan0): new 802.11 WiFi
device (driver: 'iwlagn' ifindex: 3)

Found this: https://partner-bugzilla.redhat.com/show_bug.cgi?id=620501
And to narrow down tried the suggested workaround by disabling 802.11n and that
does indeed seem to make the connection more stable. As you can see from the
log above I have not had any errors like before since I removed 802.11n (Jan 5)

Perhaps needless to say, I have an n-router. Before I reinstalled this machine
I had with Opensuse 11.3 a stable and extremely fast wlan connection.

Reproducible: Always

Steps to Reproduce:
1.
2.
3.

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