http://bugzilla.novell.com/show_bug.cgi?id=592886 http://bugzilla.novell.com/show_bug.cgi?id=592886#c0 Summary: frequent null deref in iwl_mac_reset_tsf forcing reboots Classification: openSUSE Product: openSUSE 11.2 Version: Final Platform: x86 OS/Version: openSUSE 11.2 Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: toshok@novell.com QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.8) Gecko/20100204 SUSE/3.5.8-0.1.1 Firefox/3.5.8 many times a day (today 5x times so far) I see this in the console (c&p from syslog because once it happens very little actually works, and I can't c&p from the terminal itself). Mar 31 16:47:14 linux-pl2z kernel: [ 2237.119015] iwlagn 0000:0c:00.0: Microcode HW error detected. Restarting. Mar 31 16:47:14 linux-pl2z kernel: [ 2237.192104] mac80211-phy0: failed to remove key (0, 00:1c:b3:ad:8b:77) from hardware (-22) Mar 31 16:47:14 linux-pl2z kernel: [ 2237.193849] BUG: unable to handle kernel NULL pointer dereference at 00000012 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.193912] IP: [<f97363d7>] iwl_mac_reset_tsf+0xa7/0x2d0 [iwlcore] Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194051] *pdpt = 0000000032c08001 *pde = 0000000000000000 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] Oops: 0000 [#1] PREEMPT SMP Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] last sysfs file: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] Modules linked in: nfs lockd fscache nfs_acl auth_rpcgss sunrpc aes_i586 aes_generic af_packet ip6t_LOG xt_tcpudp xt_pkttype xt_physdev ipt_LOG xt_limit rfcomm sco bridge stp llc bnep l2cap snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device edd ip6t_REJECT nf_conntrack_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT xt_state iptable_raw iptable_filter cpufreq_conservative cpufreq_userspace ip6table_mangle cpufreq_powersave nf_conntrack_netbios_ns nf_conntrack_ipv4 acpi_cpufreq nf_conntrack nf_defrag_ipv4 ip_tables speedstep_lib ip6table_filter ip6_tables x_tables microcode fuse loop dm_mod arc4 ecb cryptomgr aead pcompress crypto_blkcipher ohci1394 crypto_hash dell_laptop uvcvideo videodev btusb bluetooth crypto_algapi v4l1_compat dcdbas joydev pcspkr sr_mod sg cdrom snd_hda_codec_idt sdhci_pci sdhci ieee1394 video option ac usbserial wmi battery button mmc_core ricoh_mmc iwlagn iwlcore mac80211 tg3 snd_hda_intel cfg80211 rfkill snd_hda_codec snd_hwdep snd_pcm snd_timer i2c_i8 Mar 31 16:47:14 linux-pl2z kernel: 01 iTCO_wdt iTCO_vendor_support snd snd_page_alloc nvidia(P) intel_agp ext4 jbd2 crc16 fan processor ide_pci_generic piix ide_core ata_generic thermal thermal_sys [last unloaded: preloadtrace] Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] Pid: 509, comm: phy0 Tainted: P (2.6.31.12-0.2-desktop #1) XPS M1330 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] EIP: 0060:[<f97363d7>] EFLAGS: 00010046 CPU: 0 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] EIP is at iwl_mac_reset_tsf+0xa7/0x2d0 [iwlcore] Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] EAX: 00000000 EBX: f1e809e0 ECX: f1e80f64 EDX: 00000000 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] ESI: f1e80f64 EDI: 00000282 EBP: f1ff9eec ESP: f1ff9ec4 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] Process phy0 (pid: 509, ti=f1ff8000 task=f1e383f0 task.ti=f1ff8000) Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] Stack: Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] 00000001 ad598bdc f146a340 f0923c20 f1ff9ee0 f1e80f70 ad598bdc f146a340 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] <0> f0923c20 f1e801a0 f1ff9f2c f969927c f146a554 0000000b 00000001 00000001 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] <0> f146a548 f146a554 f1e800a0 00000001 0000000b f146a554 ad598bdc f146a340 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] Call Trace: Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] [<f969927c>] ieee80211_sta_config_auth+0x14c/0x330 [mac80211] Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] [<f969a30f>] ieee80211_sta_work+0x11f/0x1e0 [mac80211] Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] [<c02689eb>] run_workqueue+0x7b/0x190 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] [<c026a500>] worker_thread+0x90/0x100 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] [<c026e3c4>] kthread+0x84/0x90 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] [<c0204d8b>] kernel_thread_helper+0x7/0x1c Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] Code: 00 00 00 89 c7 8b 83 c4 c0 00 00 85 c0 74 05 e8 e0 65 e8 c6 8b 83 d4 c0 00 00 c7 83 c4 c0 00 00 00 00 00 00 83 bb c0 c0 00 00 02 <0f> b7 40 12 c7 83 c8 c0 00 00 00 00 00 00 c7 83 cc c0 00 00 00 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] EIP: [<f97363d7>] iwl_mac_reset_tsf+0xa7/0x2d0 [iwlcore] SS:ESP 0068:f1ff9ec4 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] CR2: 0000000000000012 Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] ---[ end trace 3fc013828dc59bfc ]--- Mar 31 16:47:14 linux-pl2z kernel: [ 2237.194090] note: phy0[509] exited with preempt_count 1 Reproducible: Sometimes Steps to Reproduce: unfortunately there is nothing in common between occurrences. sometimes it happens immediately upon me logging in, sometimes it happens after hours. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.