This issue is present with kernel 2.6.29 (http://kernel.ubuntu.com /~kernel-ppa/mainline/v2.6.29/).
[ 1368.344399] iwlagn: Read index for DMA queue txq_id (2) index 134 is out of range [0-256] 148 145 [ 1368.344407] iwlagn: Read index for DMA queue txq id (4), index 237, is out of range [0-256] 244 242. [ 1372.836035] wlan2: No ProbeResp from current AP 00:21:91:ea:90:1f - assume out of range [ 1373.436105] iwlagn: Error sending REPLY_SCAN_CMD: time out after 500ms. [ 1373.936061] iwlagn: Error sending REPLY_RXON: time out after 500ms. [ 1373.936070] iwlagn: Error setting new RXON (-110) [ 1373.936079] wlan2: direct probe to AP 00:21:91:ea:90:1f try 1 [ 1374.136060] wlan2: direct probe to AP 00:21:91:ea:90:1f try 2 [ 1374.336066] wlan2: direct probe to AP 00:21:91:ea:90:1f try 3 [ 1374.536080] wlan2: direct probe to AP 00:21:91:ea:90:1f timed out [ 1383.940081] iwlagn: Error sending REPLY_SCAN_CMD: time out after 500ms. [ 1388.432093] iwlagn: Error sending REPLY_SCAN_CMD: time out after 500ms. [ 1388.932086] iwlagn: Error sending REPLY_SCAN_CMD: time out after 500ms. [ 1389.440061] iwlagn: Error sending REPLY_SCAN_CMD: time out after 500ms. [ 1394.940055] iwlagn: Error sending REPLY_SCAN_CMD: time out after 500ms. [ 1400.441265] iwlagn: Error sending REPLY_SCAN_CMD: time out after 500ms. [ 1405.940115] iwlagn: Error sending REPLY_SCAN_CMD: time out after 500ms. [ 1411.440089] iwlagn: Error sending REPLY_SCAN_CMD: time out after 500ms. [ 1415.482414] iwlagn 0000:06:00.0: PCI INT A disabled [ 1420.604118] cfg80211: Calling CRDA to update world regulatory domain [ 1420.686594] cfg80211: World regulatory domain updated: [ 1420.686602] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 1420.686608] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1420.686613] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [ 1420.686618] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [ 1420.686623] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1420.686628] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1420.705404] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, 1.3.27ks [ 1420.705410] iwlagn: Copyright(c) 2003-2008 Intel Corporation [ 1420.705595] iwlagn 0000:06:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19 [ 1420.705644] iwlagn 0000:06:00.0: setting latency timer to 64 [ 1420.706066] iwlagn: Detected Intel Wireless WiFi Link 5100AGN REV=0x54 [ 1420.728764] iwlagn: Tunable channels: 13 802.11bg, 24 802.11a channels [ 1420.729206] wmaster0 (iwlagn): not using net_device_ops yet [ 1420.731472] phy0: Selected rate control algorithm 'iwl-agn-rs' [ 1420.731569] wlan0 (iwlagn): not using net_device_ops yet [ 1420.790039] udev: renamed network interface wlan0 to wlan2 [ 1424.729422] iwlagn 0000:06:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19 [ 1424.729620] iwlagn 0000:06:00.0: irq 31 for MSI/MSI-X [ 1424.729695] iwlagn 0000:06:00.0: firmware: requesting iwlwifi-5000-1.ucode [ 1424.751159] iwlagn loaded firmware version 5.4.1.16 [ 1424.908431] Registered led device: iwl-phy0:radio [ 1424.908853] Registered led device: iwl-phy0:assoc [ 1424.918829] Registered led device: iwl-phy0:RX [ 1424.918875] Registered led device: iwl-phy0:TX [ 1424.940281] ADDRCONF(NETDEV_UP): wlan2: link is not ready jar...@gandalf:~$ jar...@gandalf:~$ uname -a Linux gandalf 2.6.29-020629-generic #020629 SMP Tue Mar 24 11:23:53 UTC 2009 x86_64 GNU/Linux jar...@gandalf:~$ I've had this happen with stock ubuntu 9.04 kernel (2.6.28-11-generic) with stock radeon (xserver-xorg-video-radeon 1:6.12.1-0ubuntu1 ) and also with stock fglrx installed on the same kernel. ** Summary changed: - radeon dri / dma conflitcs with wireless driver + iwlagn: Read index for DMA queue txq_id (2) index 134 is out of range [0-256] 148 145. Wireless connection drops. -- iwlagn: Read index for DMA queue txq_id (2) index 134 is out of range [0-256] 148 145. Wireless connection drops. https://bugs.launchpad.net/bugs/343987 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs