Return-path: Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:50035 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753324AbZJAWYV (ORCPT ); Thu, 1 Oct 2009 18:24:21 -0400 Date: Fri, 2 Oct 2009 00:24:13 +0200 From: Pavel Machek To: Johannes Berg Cc: linux-kernel@vger.kernel.org, yi.zhu@intel.com, reinette.chatre@intel.com, linux-wireless@vger.kernel.org Subject: Re: 2.6.32-rc0-git: oops in wireless, iwl3945 related? Message-ID: <20091001222413.GB10893@elf.ucw.cz> References: <20090929171249.GB14405@elf.ucw.cz> <1254431783.3959.45.camel@johannes.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1254431783.3959.45.camel@johannes.local> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu 2009-10-01 23:16:23, Johannes Berg wrote: > On Tue, 2009-09-29 at 19:12 +0200, Pavel Machek wrote: > > > > Happened while playing with wireless. > > > > Kernel is: > > > > Linux version 2.6.31 (pavel@amd) (gcc version 4.3.3 (Debian 4.3.3-10) > > ) #72 SMP Thu Sep 10 21:56:19 CEST 2009 > > KERNEL supported cpus: > > > > (Could we get kernels between release and -rc1 mark themselves > > somehow?) > > CONFIG_LOCALVERSION_AUTO? Well, I'd really like Linus to change extraversion as to -rc0 as first commit after release... > > Registered led device: iwl-phy0::radio > > Registered led device: iwl-phy0::assoc > > Registered led device: iwl-phy0::RX > > Registered led device: iwl-phy0::TX > > wlan0: Selected IBSS BSSID 02:18:41:de:3f:02 based on configured SSID > > wlan0: Trigger new scan to find an IBSS to join > > wlan0: Trigger new scan to find an IBSS to join > > wlan0: Creating new IBSS network, BSSID f2:d3:80:82:ed:6a > > wlan0: Creating new IBSS network, BSSID 52:17:bf:45:d6:9d > > skb_over_panic: text:c07b4113 len:130 put:36 head:e4c3edf0 > > This entire log is very odd ... can you reproduce this easily? printk > timestamps would be useful. Not sure. I was trying to setup adhoc network, randomly running scripts and pushing interfaces up and down. But I do have timestamps: Drat. What is going on? I guess this is from another instance; looks like I did not even notice it. text: address is same so that should be same version...? Pavel Sep 28 22:08:34 amd wpa_supplicant[1984]: Failed to initiate AP scan. Sep 28 22:08:34 amd wpa_supplicant[1984]: No network configuration found for the current AP Sep 28 22:08:44 amd wpa_supplicant[1984]: No network configuration found for the current AP Sep 28 22:08:44 amd wpa_supplicant[1984]: CTRL-EVENT-SCAN-RESULTS Sep 28 22:08:44 amd wpa_supplicant[1984]: WPS-AP-AVAILABLE Sep 28 22:08:49 amd wpa_supplicant[1984]: Failed to initiate AP scan. Sep 28 22:08:51 amd dhclient: DHCPREQUEST on wlan0 to 192.168.1.1 port 67 Sep 28 22:08:51 amd dhclient: send_packet: Network is unreachable Sep 28 22:08:51 amd dhclient: send_packet: please consult README file regarding broadcast address. Sep 28 22:08:52 amd dhclient: receive_packet failed on wlan0: Network is down Sep 28 22:08:52 amd modprobe: FATAL: Could not load /lib/modules/2.6.31/modules.dep: No such file or directory Sep 28 22:08:58 amd dhclient: DHCPREQUEST on wlan0 to 192.168.1.1 port 67 Sep 28 22:08:58 amd dhclient: send_packet: Network is unreachable Sep 28 22:08:58 amd dhclient: send_packet: please consult README file regarding broadcast address. Sep 28 22:08:59 amd wpa_supplicant[1984]: Failed to initiate AP scan. Sep 28 22:09:02 amd kernel: Registered led device: iwl-phy0::radio Sep 28 22:09:02 amd kernel: Registered led device: iwl-phy0::assoc Sep 28 22:09:02 amd kernel: Registered led device: iwl-phy0::RX Sep 28 22:09:02 amd kernel: Registered led device: iwl-phy0::TX Sep 28 22:09:02 amd wpa_supplicant[1984]: No network configuration found for the current AP Sep 28 22:09:11 amd wpa_supplicant[1984]: CTRL-EVENT-SCAN-RESULTS Sep 28 22:09:11 amd wpa_supplicant[1984]: No network configuration found for the current AP Sep 28 22:09:11 amd kernel: skb_over_panic: text:c07b4113 len:130 put:36 head:e4c3edf0 data:e4c3edf0 tail:0xe4c3ee72 end:0xe4c3ee70 dev: Sep 28 22:09:11 amd kernel: ------------[ cut here ]------------ Sep 28 22:09:11 amd kernel: kernel BUG at net/core/skbuff.c:127! Sep 28 22:09:11 amd kernel: invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC Sep 28 22:09:11 amd kernel: last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:01/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/status Sep 28 22:09:11 amd kernel: Modules linked in: Sep 28 22:09:11 amd kernel: Sep 28 22:09:11 amd kernel: Pid: 1353, comm: iwl3945 Not tainted (2.6.31 #72) 17097HU Sep 28 22:09:11 amd kernel: EIP: 0060:[] EFLAGS: 00010286 CPU: 0 Sep 28 22:09:11 amd kernel: EIP is at skb_put+0x89/0x90 Sep 28 22:09:11 amd kernel: EAX: 00000079 EBX: e4c3ee72 ECX: c0230881 EDX: 01eef000 Sep 28 22:09:11 amd kernel: ESI: 00000024 EDI: f5e20fc0 EBP: f5dcde04 ESP: f5dcddd8 Sep 28 22:09:11 amd kernel: DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Sep 28 22:09:11 amd kernel: Process iwl3945 (pid: 1353, ti=f5dcc000 task=f72e4698 task.ti=f5dcc000) Sep 28 22:09:11 amd kernel: Stack: Sep 28 22:09:11 amd kernel: c0a28c24 c07b4113 00000082 00000024 e4c3edf0 e4c3edf0 e4c3ee72 e4c3ee70 Sep 28 22:09:11 amd kernel: <0> c09ac8b9 0000009c 66666667 f5dcde74 c07b4113 00000037 00000007 00000282 Sep 28 22:09:11 amd kernel: <0> 00000002 00000000 00000040 00000006 00000064 f5e1bbc0 f5e1be23 c03e82b1 Sep 28 22:09:11 amd kernel: Call Trace: Sep 28 22:09:11 amd kernel: [] ? __ieee80211_sta_join_ibss+0x143/0x3d0 Sep 28 22:09:11 amd kernel: [] ? __ieee80211_sta_join_ibss+0x143/0x3d0 Sep 28 22:09:11 amd kernel: [] ? extract_entropy+0x51/0xa0 Sep 28 22:09:11 amd kernel: [] ? ieee80211_sta_find_ibss+0x227/0x450 Sep 28 22:09:11 amd kernel: [] ? mutex_lock_nested+0x1c2/0x230 Sep 28 22:09:11 amd kernel: [] ? ieee80211_ibss_notify_scan_completed+0x17//var/log/syslog Sep 28 22:09:11 amd kernel: [] ? ieee80211_ibss_notify_scan_completed+0x69/0x80 Sep 28 22:09:11 amd kernel: [] ? ieee80211_scan_completed+0xc5/0x450 Sep 28 22:09:11 amd kernel: [] ? del_timer_sync+0x59/0x70 Sep 28 22:09:11 amd kernel: [] ? del_timer_sync+0x0/0x70 Sep 28 22:09:11 amd kernel: [] ? iwl_bg_scan_completed+0x3f/0x80 Sep 28 22:09:11 amd kernel: [] ? worker_thread+0x16d/0x280 Sep 28 22:09:11 amd kernel: [] ? worker_thread+0x10a/0x280 Sep 28 22:09:11 amd kernel: [] ? iwl_bg_scan_completed+0x0/0x80 Sep 28 22:09:11 amd kernel: [] ? autoremove_wake_function+0x0/0x50 Sep 28 22:09:11 amd kernel: [] ? worker_thread+0x0/0x280 Sep 28 22:09:11 amd kernel: [] ? kthread+0x7c/0x90 Sep 28 22:09:11 amd kernel: [] ? kthread+0x0/0x90 Sep 28 22:09:11 amd kernel: [] ? kernel_thread_helper+0x7/0x18 Sep 28 22:09:11 amd kernel: Code: 44 24 14 8b 81 a0 00 00 00 89 74 24 0c 89 44 24 10 8b 41 50 c7 04 24 24 8c a2 c0 89 44 24 08 8b 45 04 89 44 24 04 e8 a7 40 12 00 <0f> 0b eb fe 8d 76 00 55 89 e5 57 56 53 83 ec 18 89 45 e4 89 55 Sep 28 22:09:11 amd kernel: EIP: [] skb_put+0x89/0x90 SS:ESP 0068:f5dcddd8 Sep 28 22:09:11 amd kernel: ---[ end trace 5d5762000564cd5a ]--- Sep 28 22:09:12 amd dhclient: DHCPREQUEST on wlan0 to 192.168.1.1 port 67 Sep 28 22:09:12 amd dhclient: send_packet: Network is unreachable Sep 28 22:09:12 amd dhclient: send_packet: please consult README file regarding broadcast address. Sep 28 22:09:29 amd dhclient: DHCPREQUEST on wlan0 to 192.168.1.1 port 67 Sep 28 22:09:29 amd dhclient: send_packet: Network is unreachable Sep 28 22:09:29 amd dhclient: send_packet: please consult README file regarding broadcast address. Sep 28 22:09:44 amd dhclient: DHCPREQUEST on wlan0 to 192.168.1.1 port 67 Sep 28 22:09:44 amd dhclient: send_packet: Network is unreachable Sep 28 22:09:44 amd dhclient: send_packet: please consult README file regarding broadc/var/log/syslog lines 147505-147530/155914 94% -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html