Red Hat Bugzilla – Bug 437441
oops on pressing alt-tab
Last modified: 2008-05-15 20:19:35 EDT
From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.12) Gecko/20080208 Fedora/2.0.0.12-1.fc8 Firefox/2.0.0.12 Description of problem: on pressing alt-tab kernel oops. will attach dmesg. Version-Release number of selected component (if applicable): kernel-2.6.25-0.105.rc5.fc9.i686 How reproducible: Always Steps to Reproduce: 1.press alt tab 2. 3. Actual Results: system oops BUG: unable to handle kernel paging request at 6b6b6b6b IP: [<f8a1bf72>] :drm:drm_i_have_hw_lock+0x13/0x27 *pde = 00000000 Oops: 0000 [#1] SMP Modules linked in: nls_utf8 ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge rfcomm l2cap bluetooth autofs4 sunrpc ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi cpufreq_ondemand acpi_cpufreq dm_mirror dm_multipath dm_mod ipv6 kvm_intel kvm snd_hda_intel snd_seq_dummy snd_seq_oss parport_pc snd_seq_midi_event parport snd_seq floppy snd_seq_device snd_pcm_oss pcspkr snd_mixer_oss i915 snd_pcm iTCO_wdt drm i2c_i801 snd_timer iTCO_vendor_support snd_page_alloc i2c_algo_bit snd_hwdep i2c_core button e1000e snd sr_mod soundcore cdrom sg pata_acpi ata_generic ata_piix libata sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode] Pid: 2520, comm: Xorg Not tainted (2.6.25-0.105.rc5.fc9 #1) EIP: 0060:[<f8a1bf72>] EFLAGS: 00213202 CPU: 1 EIP is at drm_i_have_hw_lock+0x13/0x27 [drm] EAX: 6b6b6b6b EBX: 00000008 ECX: f1ad41e0 EDX: f1acdf20 ESI: f7c30000 EDI: f1acdf20 EBP: f1a4edc4 ESP: f1a4edc4 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Process Xorg (pid: 2520, ti=f1a4e000 task=f7c18000 task.ti=f1a4e000) Stack: f1a4edf4 f8a1ab9f f5000700 f1a4ede0 f76074e0 f7bca894 00000008 f7bca69c f5000700 00000008 f7bca69c f5000700 f1a4ee14 c0489254 f76074e0 f78089c0 f7bca69c f5000700 00000000 f1a42540 f1a4ee1c c048930f f1a4ee30 c04869a7 Call Trace: [<f8a1ab9f>] ? drm_release+0x177/0x3ae [drm] [<c0489254>] ? __fput+0xb3/0x157 [<c048930f>] ? fput+0x17/0x19 [<c04869a7>] ? filp_close+0x50/0x5a [<c042a2f3>] ? put_files_struct+0x68/0xaa [<c042a36c>] ? __exit_files+0x37/0x3c [<c042b6ef>] ? do_exit+0x215/0x635 [<c042bb75>] ? do_group_exit+0x66/0x7d [<c0433d8a>] ? get_signal_to_deliver+0x2ba/0x2e0 [<c0404f5c>] ? do_notify_resume+0x9b/0x776 [<c04328ee>] ? do_tkill+0xea/0xf4 [<c0638e96>] ? _read_unlock+0x1d/0x20 [<c040a02a>] ? sched_clock+0x8/0xb [<c044306d>] ? lock_release_holdtime+0x1a/0x115 [<c0638ee3>] ? _spin_unlock_irq+0x22/0x2f [<c045ed77>] ? audit_syscall_entry+0xf9/0x123 [<c040b57f>] ? do_syscall_trace+0x138/0x17f [<c040b4b0>] ? do_syscall_trace+0x69/0x17f [<c0405e3e>] ? work_notifysig+0x13/0x19 ======================= Code: 00 00 40 f0 0f b1 0b 39 d0 75 e9 31 c0 eb 05 b8 01 00 00 00 5b 5e 5d c3 83 7a 24 00 55 8b 4a 64 89 e5 74 17 8b 41 34 85 c0 74 10 <8b> 00 85 c0 79 0a 31 c0 39 51 38 0f 94 c0 eb 02 31 c0 5d c3 55 EIP: [<f8a1bf72>] drm_i_have_hw_lock+0x13/0x27 [drm] SS:ESP 0068:f1a4edc4 ---[ end trace 39102ec24f4cb9dd ]--- Fixing recursive fault but reboot is needed! Expected Results: system should not oops Additional info:
Created attachment 298020 [details] the dmesg after oops the dmesg
ok, upgraded to [root@mordor ~]# uname -r 2.6.25-0.113.rc5.git2.fc9 [root@mordor ~]# rpm -qv kernel kernel-2.6.25-0.105.rc5.fc9.i686 kernel-2.6.25-0.113.rc5.git2.fc9.i686 [root@mordor ~]# a correction on reproducing steps Start gnome terminal and press alt tab.
don't see this happening on current mainline with the rawhide config. current head is at dba92d3bc49c036056a48661d2d8fefe4c78375a
Changing version to '9' as part of upcoming Fedora 9 GA. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping