Return-path: Received: from 39.mail-out.ovh.net ([213.251.138.60]:48778 "HELO 39.mail-out.ovh.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751212AbZA1Lfa (ORCPT ); Wed, 28 Jan 2009 06:35:30 -0500 Date: Wed, 28 Jan 2009 12:37:51 +0100 From: Samuel Ortiz To: Tomas Winkler Cc: Jason Andryuk , reinette chatre , "linux-wireless@vger.kernel.org" Subject: Re: kernel BUG at drivers/net/wireless/iwlwifi/iwl3945-base.c:3127! Message-ID: <20090128113751.GA3197@sortiz.org> (sfid-20090128_123549_117725_E0AD13CE) Reply-To: Samuel Ortiz References: <760481.57662.qm@web57614.mail.re1.yahoo.com> <20090126114453.GB3197@sortiz.org> <20090127162437.GA3596@sortiz.org> <1ba2fa240901272312j270eedb5x33534a9703d26e06@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1ba2fa240901272312j270eedb5x33534a9703d26e06@mail.gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Jan 28, 2009 at 09:12:48AM +0200, Tomas Winkler wrote: > On Wed, Jan 28, 2009 at 1:31 AM, Jason Andryuk wrote: > >> No, that's just a consequence of the bug, not the bug itself. > >> Would you mind applying this patch on top of your latest wireless-testing tree > >> and testing 3945 with it ? Thanks for your patience. > > > > The patch did not cleanly apply, but I just removed the lines > > indicated in the patch. It crashed with a NULL pointer dereference. > > Samuel > It was really wrong try, you cannot just leave place where firmware > updated read pointer unallocated. I would rather focus on differences > introduced by this patch. Well, that's what I did. I neglected to check if rb_stts were actually used. > commit 738910c064ff461051cd37e17199f270ff88a9a3 iwl3945: use rx queue > management infrastructure from iwlcore is the first to trigger the > BUG_ON. However, prior versions would dereference a NULL pointer > before the driver could get far enough to trigger the BUG_ON. I know, that's what Jason described. I think I now understand why. Prior to 738910c064ff461051cd37e17199f270ff88a9a3, you introduced c2a0aa3cb733452e749727680e380dca6cc10a68 without actually allocating the rb_stts pointer, which was really wrong too. Samuel. > > Tomas > > > > > Jason > > > > [ 15.110619] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network > > Connection driver for Linux, 1.2.26kds > > [ 15.110707] iwl3945: Copyright(c) 2003-2009 Intel Corporation > > [ 15.110933] iwl3945 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 > > [ 15.111003] iwl3945 0000:03:00.0: setting latency timer to 64 > > [ 15.111284] ieee80211 phy0: U iwl3945_pci_probe pci_resource_len = 0x00001000 > > [ 15.111369] ieee80211 phy0: U iwl3945_pci_probe pci_resource_base = > > ffffc200050b4000 > > [ 15.111506] ieee80211 phy0: U iwl3945_power_init_handle Initialize power > > [ 15.111571] ieee80211 phy0: U iwl3945_power_init_handle adjust > > power command flags > > [ 15.166727] ieee80211 phy0: U iwl3945_pci_probe MAC address: > > 00:1f:3c:20:a1:6e > > [ 15.166803] ieee80211 phy0: U iwl_init_channel_map Initializing > > regulatory info from EEPROM > > [ 15.166868] ieee80211 phy0: U iwl_init_channel_map Parsing data for > > 56 channels. > > [ 15.166939] ieee80211 phy0: U iwl_init_channel_map Ch. 1 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167020] ieee80211 phy0: U iwl_init_channel_map Ch. 2 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167094] ieee80211 phy0: U iwl_init_channel_map Ch. 3 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167162] ieee80211 phy0: U iwl_init_channel_map Ch. 4 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167241] ieee80211 phy0: U iwl_init_channel_map Ch. 5 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167309] ieee80211 phy0: U iwl_init_channel_map Ch. 6 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167383] ieee80211 phy0: U iwl_init_channel_map Ch. 7 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167466] ieee80211 phy0: U iwl_init_channel_map Ch. 8 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167544] ieee80211 phy0: U iwl_init_channel_map Ch. 9 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167613] ieee80211 phy0: U iwl_init_channel_map Ch. 10 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 15dBm): Ad-Hoc supported > > [ 15.167686] ieee80211 phy0: U iwl_init_channel_map Ch. 11 [2.4GHz] > > VALID IBSS ACTIVE WIDE (0x2b 14dBm): Ad-Hoc supported > > [ 15.167771] ieee80211 phy0: U iwl_init_channel_map Ch. 12 Flags 0 > > [2.4GHz] - No traffic > > [ 15.167843] ieee80211 phy0: U iwl_init_channel_map Ch. 13 Flags 0 > > [2.4GHz] - No traffic > > [ 15.167910] ieee80211 phy0: U iwl_init_channel_map Ch. 14 Flags 0 > > [2.4GHz] - No traffic > > [ 15.167981] ieee80211 phy0: U iwl_init_channel_map Ch. 183 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168078] ieee80211 phy0: U iwl_init_channel_map Ch. 184 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168142] ieee80211 phy0: U iwl_init_channel_map Ch. 185 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168206] ieee80211 phy0: U iwl_init_channel_map Ch. 187 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168270] ieee80211 phy0: U iwl_init_channel_map Ch. 188 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168339] ieee80211 phy0: U iwl_init_channel_map Ch. 189 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168404] ieee80211 phy0: U iwl_init_channel_map Ch. 192 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168468] ieee80211 phy0: U iwl_init_channel_map Ch. 196 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168538] ieee80211 phy0: U iwl_init_channel_map Ch. 7 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168615] ieee80211 phy0: U iwl_init_channel_map Ch. 8 Flags 0 > > [5.2GHz] - No traffic > > [ 15.168680] ieee80211 phy0: U iwl_init_channel_map Ch. 11 Flags 0 > > [5.2GHz] - No traffic > > [ 15.169403] ieee80211 phy0: U iwl_init_channel_map Ch. 12 Flags 0 > > [5.2GHz] - No traffic > > [ 15.169483] ieee80211 phy0: U iwl_init_channel_map Ch. 16 Flags 0 > > [5.2GHz] - No traffic > > [ 15.169551] ieee80211 phy0: U iwl_init_channel_map Ch. 34 Flags 0 > > [5.2GHz] - No traffic > > [ 15.169637] ieee80211 phy0: U iwl_init_channel_map Ch. 36 [5.2GHz] > > VALID WIDE DFS (0xa1 14dBm): Ad-Hoc not supported > > [ 15.169705] ieee80211 phy0: U iwl_init_channel_map Ch. 38 Flags 0 > > [5.2GHz] - No traffic > > [ 15.169768] ieee80211 phy0: U iwl_init_channel_map Ch. 40 [5.2GHz] > > VALID WIDE DFS (0xa1 14dBm): Ad-Hoc not supported > > [ 15.169834] ieee80211 phy0: U iwl_init_channel_map Ch. 42 Flags 0 > > [5.2GHz] - No traffic > > [ 15.169903] ieee80211 phy0: U iwl_init_channel_map Ch. 44 [5.2GHz] > > VALID WIDE DFS (0xa1 14dBm): Ad-Hoc not supported > > [ 15.169970] ieee80211 phy0: U iwl_init_channel_map Ch. 46 Flags 0 > > [5.2GHz] - No traffic > > [ 15.170035] ieee80211 phy0: U iwl_init_channel_map Ch. 48 [5.2GHz] > > VALID WIDE DFS (0xa1 14dBm): Ad-Hoc not supported > > [ 15.170102] ieee80211 phy0: U iwl_init_channel_map Ch. 52 [5.2GHz] > > VALID RADAR WIDE DFS (0xb1 14dBm): Ad-Hoc not supported > > [ 15.170189] ieee80211 phy0: U iwl_init_channel_map Ch. 56 [5.2GHz] > > VALID RADAR WIDE DFS (0xb1 14dBm): Ad-Hoc not supported > > [ 15.170257] ieee80211 phy0: U iwl_init_channel_map Ch. 60 [5.2GHz] > > VALID RADAR WIDE DFS (0xb1 14dBm): Ad-Hoc not supported > > [ 15.170325] ieee80211 phy0: U iwl_init_channel_map Ch. 64 [5.2GHz] > > VALID RADAR WIDE DFS (0xb1 14dBm): Ad-Hoc not supported > > [ 15.170399] ieee80211 phy0: U iwl_init_channel_map Ch. 100 Flags 0 > > [5.2GHz] - No traffic > > [ 15.170467] ieee80211 phy0: U iwl_init_channel_map Ch. 104 Flags 0 > > [5.2GHz] - No traffic > > [ 15.170541] ieee80211 phy0: U iwl_init_channel_map Ch. 108 Flags 0 > > [5.2GHz] - No traffic > > [ 15.170616] ieee80211 phy0: U iwl_init_channel_map Ch. 112 Flags 0 > > [5.2GHz] - No traffic > > [ 15.170686] ieee80211 phy0: U iwl_init_channel_map Ch. 116 Flags 0 > > [5.2GHz] - No traffic > > [ 15.170758] ieee80211 phy0: U iwl_init_channel_map Ch. 120 Flags 0 > > [5.2GHz] - No traffic > > [ 15.170822] ieee80211 phy0: U iwl_init_channel_map Ch. 124 Flags 0 > > [5.2GHz] - No traffic > > [ 15.170892] ieee80211 phy0: U iwl_init_channel_map Ch. 128 Flags 0 > > [5.2GHz] - No traffic > > [ 15.170976] ieee80211 phy0: U iwl_init_channel_map Ch. 132 Flags 0 > > [5.2GHz] - No traffic > > [ 15.171041] ieee80211 phy0: U iwl_init_channel_map Ch. 136 Flags 0 > > [5.2GHz] - No traffic > > [ 15.171105] ieee80211 phy0: U iwl_init_channel_map Ch. 140 Flags 0 > > [5.2GHz] - No traffic > > [ 15.171175] ieee80211 phy0: U iwl_init_channel_map Ch. 145 Flags 0 > > [5.2GHz] - No traffic > > [ 15.171243] ieee80211 phy0: U iwl_init_channel_map Ch. 149 [5.2GHz] > > VALID WIDE (0x21 16dBm): Ad-Hoc not supported > > [ 15.171311] ieee80211 phy0: U iwl_init_channel_map Ch. 153 [5.2GHz] > > VALID WIDE (0x21 16dBm): Ad-Hoc not supported > > [ 15.171378] ieee80211 phy0: U iwl_init_channel_map Ch. 157 [5.2GHz] > > VALID WIDE (0x21 16dBm): Ad-Hoc not supported > > [ 15.171451] ieee80211 phy0: U iwl_init_channel_map Ch. 161 [5.2GHz] > > VALID WIDE (0x21 16dBm): Ad-Hoc not supported > > [ 15.171531] ieee80211 phy0: U iwl_init_channel_map Ch. 165 [5.2GHz] > > VALID WIDE (0x21 16dBm): Ad-Hoc not supported > > [ 15.171605] ieee80211 phy0: U > > iwl3945_hw_reg_txpower_get_temperature Temperature: 260 > > [ 15.171674] ieee80211 phy0: U iwl3945_hw_reg_init_channel_groups > > Initializing factory calib info from EEPROM > > [ 15.171745] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 1 mapped to grp 0 > > [ 15.171809] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 1: -21 [260] > > [ 15.171874] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 2 mapped to grp 0 > > [ 15.171937] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 2: -21 [260] > > [ 15.172008] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 3 mapped to grp 0 > > [ 15.172095] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 3: -21 [260] > > [ 15.172162] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 4 mapped to grp 0 > > [ 15.172230] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 4: -21 [260] > > [ 15.172296] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 5 mapped to grp 0 > > [ 15.172386] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 5: -21 [260] > > [ 15.172457] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 6 mapped to grp 0 > > [ 15.172520] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 6: -21 [260] > > [ 15.172596] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 7 mapped to grp 0 > > [ 15.172659] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 7: -21 [260] > > [ 15.172725] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 8 mapped to grp 0 > > [ 15.172789] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 8: -21 [260] > > [ 15.172873] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 9 mapped to grp 0 > > [ 15.172937] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 9: -21 [260] > > [ 15.173004] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 10 mapped to grp 0 > > [ 15.173097] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 10: -21 [260] > > [ 15.173175] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 11 mapped to grp 0 > > [ 15.173240] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 11: -21 [260] > > [ 15.173311] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 36 mapped to grp 1 > > [ 15.173374] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 36: -21 [260] > > [ 15.173467] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 40 mapped to grp 1 > > [ 15.173544] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 40: -21 [260] > > [ 15.173617] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 44 mapped to grp 1 > > [ 15.173686] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 44: -21 [260] > > [ 15.173758] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 48 mapped to grp 2 > > [ 15.173821] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 48: -21 [260] > > [ 15.173887] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 52 mapped to grp 2 > > [ 15.173968] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 52: -21 [260] > > [ 15.174046] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 56 mapped to grp 2 > > [ 15.174122] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 56: -21 [260] > > [ 15.174211] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 60 mapped to grp 2 > > [ 15.174277] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 60: -21 [260] > > [ 15.174344] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 64 mapped to grp 2 > > [ 15.174412] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 64: -21 [260] > > [ 15.174482] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 149 mapped to grp 4 > > [ 15.174546] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 149: -21 [260] > > [ 15.174612] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 153 mapped to grp 4 > > [ 15.174681] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 153: -21 [260] > > [ 15.174760] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 157 mapped to grp 4 > > [ 15.174823] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 157: -21 [260] > > [ 15.174890] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 161 mapped to grp 4 > > [ 15.174960] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 161: -21 [260] > > [ 15.175029] ieee80211 phy0: U iwl3945_hw_reg_get_ch_grp_index Chnl > > 165 mapped to grp 4 > > [ 15.175093] ieee80211 phy0: U iwl3945_txpower_set_from_eeprom Delta > > index for channel 165: -21 [260] > > [ 15.175162] ieee80211 phy0: U iwlcore_init_geos Channel 1 > > Freq=2412[2.4GHz] valid flag=0x30 > > [ 15.175231] ieee80211 phy0: U iwlcore_init_geos Channel 2 > > Freq=2417[2.4GHz] valid flag=0x30 > > [ 15.175307] ieee80211 phy0: U iwlcore_init_geos Channel 3 > > Freq=2422[2.4GHz] valid flag=0x30 > > [ 15.175371] ieee80211 phy0: U iwlcore_init_geos Channel 4 > > Freq=2427[2.4GHz] valid flag=0x30 > > [ 15.175435] ieee80211 phy0: U iwlcore_init_geos Channel 5 > > Freq=2432[2.4GHz] valid flag=0x30 > > [ 15.175505] ieee80211 phy0: U iwlcore_init_geos Channel 6 > > Freq=2437[2.4GHz] valid flag=0x30 > > [ 15.175575] ieee80211 phy0: U iwlcore_init_geos Channel 7 > > Freq=2442[2.4GHz] valid flag=0x30 > > [ 15.175640] ieee80211 phy0: U iwlcore_init_geos Channel 8 > > Freq=2447[2.4GHz] valid flag=0x30 > > [ 15.175704] ieee80211 phy0: U iwlcore_init_geos Channel 9 > > Freq=2452[2.4GHz] valid flag=0x30 > > [ 15.176448] ieee80211 phy0: U iwlcore_init_geos Channel 10 > > Freq=2457[2.4GHz] valid flag=0x30 > > [ 15.176515] ieee80211 phy0: U iwlcore_init_geos Channel 11 > > Freq=2462[2.4GHz] valid flag=0x30 > > [ 15.176587] ieee80211 phy0: U iwlcore_init_geos Channel 36 > > Freq=5180[5.2GHz] valid flag=0x36 > > [ 15.176659] ieee80211 phy0: U iwlcore_init_geos Channel 40 > > Freq=5200[5.2GHz] valid flag=0x36 > > [ 15.176723] ieee80211 phy0: U iwlcore_init_geos Channel 44 > > Freq=5220[5.2GHz] valid flag=0x36 > > [ 15.176807] ieee80211 phy0: U iwlcore_init_geos Channel 48 > > Freq=5240[5.2GHz] valid flag=0x36 > > [ 15.176875] ieee80211 phy0: U iwlcore_init_geos Channel 52 > > Freq=5260[5.2GHz] valid flag=0x3E > > [ 15.176941] ieee80211 phy0: U iwlcore_init_geos Channel 56 > > Freq=5280[5.2GHz] valid flag=0x3E > > [ 15.177019] ieee80211 phy0: U iwlcore_init_geos Channel 60 > > Freq=5300[5.2GHz] valid flag=0x3E > > [ 15.177104] ieee80211 phy0: U iwlcore_init_geos Channel 64 > > Freq=5320[5.2GHz] valid flag=0x3E > > [ 15.177169] ieee80211 phy0: U iwlcore_init_geos Channel 149 > > Freq=5745[5.2GHz] valid flag=0x36 > > [ 15.177234] ieee80211 phy0: U iwlcore_init_geos Channel 153 > > Freq=5765[5.2GHz] valid flag=0x36 > > [ 15.177305] ieee80211 phy0: U iwlcore_init_geos Channel 157 > > Freq=5785[5.2GHz] valid flag=0x36 > > [ 15.177374] ieee80211 phy0: U iwlcore_init_geos Channel 161 > > Freq=5805[5.2GHz] valid flag=0x36 > > [ 15.177444] ieee80211 phy0: U iwlcore_init_geos Channel 165 > > Freq=5825[5.2GHz] valid flag=0x36 > > [ 15.177525] iwl3945 0000:03:00.0: Tunable channels: 11 802.11bg, 13 > > 802.11a channels > > [ 15.177597] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link 3945ABG > > [ 15.177781] iwl3945 0000:03:00.0: irq 31 for MSI/MSI-X > > [ 15.177960] ieee80211 phy0: U iwl3945_set_rxon_channel Staging > > channel set to 6 [0] > > [ 15.178799] wmaster0 (iwl3945): not using net_device_ops yet > > [ 15.179090] phy0: Selected rate control algorithm 'iwl-3945-rs' > > [ 15.445074] wlan0 (iwl3945): not using net_device_ops yet > > [ 15.592361] HDA Intel 0000:00:1b.0: PCI INT B -> GSI 17 (level, > > low) -> IRQ 17 > > [ 15.592434] hda_intel: probe_mask set to 0x1 for device 17aa:20ac > > [ 15.592594] HDA Intel 0000:00:1b.0: setting latency timer to 64 > > [ 26.684365] ieee80211 phy0: U iwl3945_mac_start enter > > [ 26.755340] ieee80211 phy0: U iwl3945_read_ucode Got firmware > > 'iwlwifi-3945-2.ucode' file (149816 bytes) from disk > > [ 26.755352] ieee80211 phy0: U iwl3945_read_ucode f/w package hdr > > ucode version raw = 0xf1c0208 > > [ 26.755356] ieee80211 phy0: U iwl3945_read_ucode f/w package hdr > > runtime inst size = 80684 > > [ 26.755359] ieee80211 phy0: U iwl3945_read_ucode f/w package hdr > > runtime data size = 32768 > > [ 26.755362] ieee80211 phy0: U iwl3945_read_ucode f/w package hdr > > init inst size = 2672 > > [ 26.755365] ieee80211 phy0: U iwl3945_read_ucode f/w package hdr > > init data size = 32768 > > [ 26.755367] ieee80211 phy0: U iwl3945_read_ucode f/w package hdr > > boot inst size = 900 > > [ 26.755441] ieee80211 phy0: U iwl3945_read_ucode Copying (but not > > loading) uCode instr len 80684 > > [ 26.755459] ieee80211 phy0: U iwl3945_read_ucode uCode instr buf > > vaddr = 0xffff8800bb880000, paddr = 0xbb880000 > > [ 26.755464] ieee80211 phy0: U iwl3945_read_ucode Copying (but not > > loading) uCode data len 32768 > > [ 26.755482] ieee80211 phy0: U iwl3945_read_ucode Copying (but not > > loading) init instr len 2672 > > [ 26.755486] ieee80211 phy0: U iwl3945_read_ucode Copying (but not > > loading) init data len 32768 > > [ 26.755498] ieee80211 phy0: U iwl3945_read_ucode Copying (but not > > loading) boot instr len 900 > > [ 26.755526] ieee80211 phy0: U iwl3945_power_init_handle Initialize power > > [ 26.755534] ieee80211 phy0: U iwl3945_power_init_handle adjust > > power command flags > > [ 26.755628] ieee80211 phy0: U iwl3945_hw_nic_init HW Revision ID = 0x2 > > [ 26.755675] ieee80211 phy0: U iwl3945_nic_config 3945 RADIO-MM type > > [ 26.755683] ieee80211 phy0: U iwl3945_nic_config SKU OP mode is basic > > [ 26.755686] ieee80211 phy0: U iwl3945_nic_config 3945ABG revision is 0xF1 > > [ 26.755694] ieee80211 phy0: U iwl3945_nic_config Card M type B version is 0x3 > > [ 26.756399] ieee80211 phy0: U iwl3945_load_bsm Begin load bsm > > [ 26.757665] ieee80211 phy0: U iwl3945_verify_bsm Begin verify bsm > > [ 26.759801] ieee80211 phy0: U iwl3945_verify_bsm BSM bootstrap uCode image OK > > [ 26.759855] ieee80211 phy0: U iwl3945_load_bsm BSM write complete, > > poll 1 iterations > > [ 26.759870] ieee80211 phy0: U __iwl3945_up iwl3945 is coming up > > [ 26.759873] ieee80211 phy0: U iwl3945_mac_start Start UP work. > > [ 26.771305] BUG: unable to handle kernel NULL pointer dereference at (null) > > [ 26.771318] IP: [] > > iwl3945_irq_tasklet+0x4ee/0x1500 [iwl3945] > > [ 26.771334] PGD 139191067 PUD 138870067 PMD 0 > > [ 26.771342] Oops: 0000 [#1] SMP > > [ 26.771347] last sysfs file: > > /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/firmware/0000:03:00.0/loading > > [ 26.771350] CPU 1 > > [ 26.771354] Modules linked in: i915 drm i2c_algo_bit i2c_core > > binfmt_misc ipv6 acpi_cpufreq cpufreq_ondemand cpufreq_stats > > cpufreq_powersave cpufreq_userspace cpufreq_conservative freq_table > > pci_slot sbs sbshc container iptable_filter ip_tables x_tables sbp2 > > snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_pcm_oss > > snd_mixer_oss arc4 ecb snd_pcm snd_seq_dummy snd_seq_oss iwl3945 > > iwlcore snd_seq_midi snd_rawmidi joydev mac80211 snd_seq_midi_event > > thinkpad_acpi rfkill snd_seq lib80211 snd_timer cfg80211 pcmcia > > led_class snd_seq_device evdev nvram psmouse snd soundcore serio_raw > > pcspkr intel_agp iTCO_wdt iTCO_vendor_support video output battery ac > > wmi shpchp pci_hotplug yenta_socket rsrc_nonstatic pcmcia_core > > snd_page_alloc button ext3 jbd mbcache sr_mod cdrom sd_mod crc_t10dif > > sg ata_piix ata_generic ahci pata_acpi libata ohci1394 scsi_mod > > ieee1394 ehci_hcd uhci_hcd usbcore thermal processor fan fuse > > [ 26.771494] Pid: 5156, comm: Xorg Not tainted 2.6.29-rc2-wl #27 > > [ 26.771496] RIP: 0010:[] [] > > iwl3945_irq_tasklet+0x4ee/0x1500 [iwl3945] > > [ 26.771507] RSP: 0018:ffff88013b193df8 EFLAGS: 00010082 > > [ 26.771509] RAX: 0000000000000000 RBX: ffff8801371d4c28 RCX: 0000000000000000 > > [ 26.771512] RDX: 0000000080000008 RSI: ffffc200050b4010 RDI: 0000000000010000 > > [ 26.771515] RBP: ffff88013b193ec8 R08: 0000000000001000 R09: 0000000000000000 > > [ 26.771518] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8801371d4c20 > > [ 26.771520] R13: 0000000000000000 R14: ffff8801371c1a80 R15: ffffffff807e5600 > > [ 26.771523] FS: 00007f4ee0d046e0(0000) GS:ffff88013bc03e00(0000) > > knlGS:0000000000000000 > > [ 26.771526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [ 26.771530] CR2: 0000000000000000 CR3: 000000013887e000 CR4: 00000000000006e0 > > [ 26.771533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > > [ 26.771536] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > > [ 26.771539] Process Xorg (pid: 5156, threadinfo ffff880138846000, > > task ffff880139010000) > > [ 26.771542] Stack: > > [ 26.771544] ffff88013b193e08 ffffffff802b84cb ffff88013b193e18 > > ffffffff802b8505 > > [ 26.771550] ffff88013b193e58 ffff8801371c24a4 0001000000000000 > > 0000000000000286 > > [ 26.771558] ffff88013b193e68 ffffffff802e5521 ffffffff8072cc20 > > ffffe200044464a0 > > [ 26.771570] Call Trace: > > [ 26.771572] <0> [] ? free_hot_page+0xb/0x10 > > [ 26.771581] [] ? __free_pages+0x35/0x40 > > [ 26.771585] [] ? add_partial+0x51/0x80 > > [ 26.771590] [] ? __slab_free+0x17f/0x340 > > [ 26.771596] [] ? file_free_rcu+0x34/0x50 > > [ 26.771603] [] tasklet_action+0x86/0x110 > > [ 26.771608] [] __do_softirq+0x9c/0x170 > > [ 26.771612] [] call_softirq+0x1c/0x30 > > [ 26.771617] [] do_softirq+0x5d/0xa0 > > [ 26.771621] [] irq_exit+0x75/0xa0 > > [ 26.771625] [] do_IRQ+0x86/0x110 > > [ 26.771630] [] ret_from_intr+0x0/0x29 > > [ 26.771635] <0>Code: c7 c0 f0 6b 39 a0 89 d9 48 c7 c7 10 b3 > > 39 a0 31 c0 e8 e0 42 19 e0 e9 f2 fb ff ff 66 90 49 8b 86 60 4e 00 00 > > 41 8b 8e 28 4e 00 00 <0f> b7 00 49 8d be 18 14 00 00 25 ff 0f 00 00 89 > > 8d 7c ff ff ff > > [ 26.771723] RIP [] > > iwl3945_irq_tasklet+0x4ee/0x1500 [iwl3945] > > [ 26.771810] RSP > > [ 26.771813] CR2: 0000000000000000 > > [ 26.771817] ---[ end trace a87b87b3f9a3172a ]--- > > [ 26.771819] Kernel panic - not syncing: Fatal exception in interrupt > > [ 26.771824] ------------[ cut here ]------------ > > [ 26.771827] WARNING: at kernel/smp.c:299 smp_call_function_many+0x1f9/0x260() > > [ 26.771829] Hardware name: 7658CTO > > [ 26.771831] Modules linked in: i915 drm i2c_algo_bit i2c_core > > binfmt_misc ipv6 acpi_cpufreq cpufreq_ondemand cpufreq_stats > > cpufreq_powersave cpufreq_userspace cpufreq_conservative freq_table > > pci_slot sbs sbshc container iptable_filter ip_tables x_tables sbp2 > > snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_pcm_oss > > snd_mixer_oss arc4 ecb snd_pcm snd_seq_dummy snd_seq_oss iwl3945 > > iwlcore snd_seq_midi snd_rawmidi joydev mac80211 snd_seq_midi_event > > thinkpad_acpi rfkill snd_seq lib80211 snd_timer cfg80211 pcmcia > > led_class snd_seq_device evdev nvram psmouse snd soundcore serio_raw > > pcspkr intel_agp iTCO_wdt iTCO_vendor_support video output battery ac > > wmi shpchp pci_hotplug yenta_socket rsrc_nonstatic pcmcia_core > > snd_page_alloc button ext3 jbd mbcache sr_mod cdrom sd_mod crc_t10dif > > sg ata_piix ata_generic ahci pata_acpi libata ohci1394 scsi_mod > > ieee1394 ehci_hcd uhci_hcd usbcore thermal processor fan fuse > > [ 26.772023] Pid: 5156, comm: Xorg Tainted: G D 2.6.29-rc2-wl #27 > > [ 26.772025] Call Trace: > > [ 26.772027] [] warn_slowpath+0xd0/0x130 > > [ 26.772036] [] ? default_spin_lock_flags+0x9/0x10 > > [ 26.772040] [] ? release_console_sem+0x1cd/0x220 > > [ 26.772044] [] ? printk+0x67/0x6f > > [ 26.772048] [] ? crash_kexec+0x74/0x100 > > [ 26.772052] [] ? default_spin_lock_flags+0x9/0x10 > > [ 26.772055] [] smp_call_function_many+0x1f9/0x260 > > [ 26.772061] [] ? stop_this_cpu+0x0/0x30 > > [ 26.772064] [] ? release_console_sem+0x1cd/0x220 > > [ 26.772068] [] smp_call_function+0x20/0x30 > > [ 26.772072] [] native_smp_send_stop+0x23/0x50 > > [ 26.772075] [] panic+0xaf/0x16a > > [ 26.772078] [] ? crash_kexec+0x74/0x100 > > [ 26.772082] [] ? release_console_sem+0x1cd/0x220 > > [ 26.772085] [] ? console_unblank+0x75/0x90 > > [ 26.772089] [] oops_end+0xec/0x100 > > [ 26.772093] [] do_page_fault+0x25a/0xbe0 > > [ 26.772096] [] ? check_preempt_wakeup+0xf8/0x230 > > [ 26.772100] [] ? try_to_wake_up+0x13f/0x2e0 > > [ 26.772103] [] ? _spin_lock+0x9/0x10 > > [ 26.772107] [] ? add_partial+0x51/0x80 > > [ 26.772111] [] ? __slab_free+0x17f/0x340 > > [ 26.772115] [] ? mempool_free_slab+0x12/0x20 > > [ 26.772119] [] ? mempool_free_slab+0x12/0x20 > > [ 26.772124] [] ? bvec_free_bs+0x21/0x40 > > [ 26.772127] [] ? mempool_free_slab+0x12/0x20 > > [ 26.772203] [] ? mempool_free+0x8a/0xa0 > > [ 26.772206] [] ? _spin_lock+0x9/0x10 > > [ 26.772209] [] ? add_partial+0x51/0x80 > > [ 26.772213] [] ? _spin_lock+0x9/0x10 > > [ 26.772216] [] ? add_partial+0x51/0x80 > > [ 26.772220] [] ? enqueue_entity+0x11a/0x2a0 > > [ 26.772223] [] page_fault+0x25/0x30 > > [ 26.772231] [] ? > > iwl3945_irq_tasklet+0x4ee/0x1500 [iwl3945] > > [ 26.772239] [] ? iwl3945_irq_tasklet+0xbe/0x1500 [iwl3945] > > [ 26.772242] [] ? free_hot_page+0xb/0x10 > > [ 26.772245] [] ? __free_pages+0x35/0x40 > > [ 26.772249] [] ? add_partial+0x51/0x80 > > [ 26.772252] [] ? __slab_free+0x17f/0x340 > > [ 26.772256] [] ? file_free_rcu+0x34/0x50 > > [ 26.772259] [] tasklet_action+0x86/0x110 > > [ 26.772262] [] __do_softirq+0x9c/0x170 > > [ 26.772265] [] call_softirq+0x1c/0x30 > > [ 26.772268] [] do_softirq+0x5d/0xa0 > > [ 26.772271] [] irq_exit+0x75/0xa0 > > [ 26.772274] [] do_IRQ+0x86/0x110 > > [ 26.772277] [] ret_from_intr+0x0/0x29 > > [ 26.772279] <4>---[ end trace a87b87b3f9a3172b ]--- > > [ 26.772284] ------------[ cut here ]------------ > > [ 26.772287] WARNING: at kernel/smp.c:220 > > smp_call_function_single+0xa5/0x100() > > [ 26.772289] Hardware name: 7658CTO > > [ 26.772291] Modules linked in: i915 drm i2c_algo_bit i2c_core > > binfmt_misc ipv6 acpi_cpufreq cpufreq_ondemand cpufreq_stats > > cpufreq_powersave cpufreq_userspace cpufreq_conservative freq_table > > pci_slot sbs sbshc container iptable_filter ip_tables x_tables sbp2 > > snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_pcm_oss > > snd_mixer_oss arc4 ecb snd_pcm snd_seq_dummy snd_seq_oss iwl3945 > > iwlcore snd_seq_midi snd_rawmidi joydev mac80211 snd_seq_midi_event > > thinkpad_acpi rfkill snd_seq lib80211 snd_timer cfg80211 pcmcia > > led_class snd_seq_device evdev nvram psmouse snd soundcore serio_raw > > pcspkr intel_agp iTCO_wdt iTCO_vendor_support video output battery ac > > wmi shpchp pci_hotplug yenta_socket rsrc_nonstatic pcmcia_core > > snd_page_alloc button ext3 jbd mbcache sr_mod cdrom sd_mod crc_t10dif > > sg ata_piix ata_generic ahci pata_acpi libata ohci1394 scsi_mod > > ieee1394 ehci_hcd uhci_hcd usbcore thermal processor fan fuse > > [ 26.772533] Pid: 5156, comm: Xorg Tainted: G D W 2.6.29-rc2-wl #27 > > [ 26.772535] Call Trace: > > [ 26.772537] [] warn_slowpath+0xd0/0x130 > > [ 26.772543] [] ? dump_stack+0x72/0x7b > > [ 26.772546] [] ? print_modules+0x57/0xb0 > > [ 26.772550] [] ? warn_slowpath+0xea/0x130 > > [ 26.772553] [] ? default_spin_lock_flags+0x9/0x10 > > [ 26.772557] [] ? release_console_sem+0x1cd/0x220 > > [ 26.772561] [] smp_call_function_single+0xa5/0x100 > > [ 26.772564] [] ? printk+0x67/0x6f > > [ 26.772567] [] ? crash_kexec+0x74/0x100 > > [ 26.772570] [] smp_call_function_many+0x1c2/0x260 > > [ 26.772574] [] ? stop_this_cpu+0x0/0x30 > > [ 26.772577] [] ? release_console_sem+0x1cd/0x220 > > [ 26.772580] [] smp_call_function+0x20/0x30 > > [ 26.772642] [] native_smp_send_stop+0x23/0x50 > > [ 26.772645] [] panic+0xaf/0x16a > > [ 26.772648] [] ? crash_kexec+0x74/0x100 > > [ 26.772652] [] ? release_console_sem+0x1cd/0x220 > > [ 26.772655] [] ? console_unblank+0x75/0x90 > > [ 26.772659] [] oops_end+0xec/0x100 > > [ 26.772662] [] do_page_fault+0x25a/0xbe0 > > [ 26.772665] [] ? check_preempt_wakeup+0xf8/0x230 > > [ 26.772669] [] ? try_to_wake_up+0x13f/0x2e0 > > [ 26.772672] [] ? _spin_lock+0x9/0x10 > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- Intel Open Source Technology Centre http://oss.intel.com/