From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:44287 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754697Ab1HBTh4 (ORCPT ); Tue, 2 Aug 2011 15:37:56 -0400 Received: by wyg8 with SMTP id 8so71488wyg.19 for ; Tue, 02 Aug 2011 12:37:55 -0700 (PDT) Message-ID: <4E38520F.4070809@grawet.be> Date: Tue, 02 Aug 2011 21:37:51 +0200 From: Laurent Grawet MIME-Version: 1.0 To: linux-media@vger.kernel.org Subject: Bug: Kernel oops with Kopete due to DVB device Content-Type: multipart/mixed; boundary="------------020602070409000102050803" Sender: linux-media-owner@vger.kernel.org List-ID: This is a multi-part message in MIME format. --------------020602070409000102050803 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Bug initially submitted to https://bugs.kde.org/show_bug.cgi?id=279202 Hello, Kopete crash and kernel oopses when opening "Settings -> Configure" dialog due to presence of DVB-S PCI card (av7110) as /dev/video0. This happens everytime I try to configure Kopete in presence of my DVB PCI card. (see attachment) Reproducible: Always Steps to Reproduce: Own a DVB card and try to configure Kopete. Actual Results: Kopete crash and Kernel oopses. Expected Results: Configure dialog opening. Regards, Laurent --------------020602070409000102050803 Content-Type: text/plain; name="dmesg.txt" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="dmesg.txt" [27457.669041] BUG: unable to handle kernel NULL pointer dereference at = (null) [27457.669044] IP: [] __mutex_lock_common+0xcb/0x193 [27457.669048] PGD 1b4e03067 PUD 1b471a067 PMD 0=20 [27457.669050] Oops: 0002 [#1] SMP=20 [27457.669052] last sysfs file: /sys/devices/virtual/video4linux/video0/d= ev [27457.669054] CPU 0=20 [27457.669054] Modules linked in: parport_pc ppdev lp parport bnep vboxne= tadp(O) vboxnetflt(O) vboxdrv(O) rfcomm bluetooth rfkill crc16 acpi_cpufr= eq mperf cpufreq_conservative cpufreq_powersave cpufreq_userspace cpufreq= _stats snd_hrtimer act_police cls_flow cls_fw cls_u32 sch_tbf sch_prio sc= h_htb sch_hfsc sch_ingress sch_sfq xt_realm xt_connlimit xt_addrtype ipta= ble_raw xt_comment xt_recent ipt_ULOG ipt_REJECT ipt_REDIRECT ipt_NETMAP = ipt_MASQUERADE ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah nf_nat_tftp nf_nat_sn= mp_basic nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat= _irc nf_nat_h323 ip6_queue nf_nat_ftp nf_nat_amanda nf_conntrack_proto_ud= plite nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_p= roto_sctp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink n= f_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_irc nf_conntra= ck_h323 ts_kmp nf_conntrack_ftp nf_conntrack_amanda xt_TPROXY xt_NFLOG nf= netlink_log nf_tproxy_core xt_time xt_TCPMSS xt_tcpmss xt_sctp xt_policy = xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_multiport xt_mark xt_mac xt_= limit xt_length xt_iprange xt_AUDIT xt_helper xt_hashlimit xt_DSCP xt_dsc= p xt_dccp ipt_LOG xt_connmark iptable_nat xt_CLASSIFY nf_nat ip6t_LOG ip6= t_REJECT xt_tcpudp xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack= _ipv6 nf_defrag_ipv6 iptable_mangle xt_conntrack nf_conntrack ip6table_ra= w ip6table_mangle nfnetlink iptable_filter ip_tables ip6table_filter ip6_= tables x_tables microcode fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl= sunrpc w83627ehf hwmon_vid coretemp firewire_sbp2 loop snd_hda_codec_hdm= i ftdi_sio usbserial stv0299 ves1x93 nvidia(P) snd_hda_codec_analog snd_h= da_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_se= q_midi snd_rawmidi snd_seq_midi_event snd_seq dvb_ttpci dvb_core snd_time= r snd_seq_device saa7146_vv videodev snd media v4l2_compat_ioctl32 saa714= 6 videobuf_dma_sg videobuf_core ttpci_eeprom i2c_i801 soundcore snd_page_= alloc i7core_edac pcspkr evdev i2c_core edac_core processor psmouse serio= _raw thermal_sys wmi ext3 jbd mbcache dm_mod raid1 md_mod sg sr_mod cdrom= sd_mod usb_storage hid_logitech crc_t10dif ff_memless uas usbhid hid uhc= i_hcd dc395x firewire_ohci firewire_core ahci libahci libata scsi_mod but= ton ehci_hcd usbcore crc_itu_t sky2 [last unloaded: scsi_wait_scan] [27457.669132]=20 [27457.669134] Pid: 12073, comm: kopete Tainted: P O 2.6.39-2-a= md64 #1 System manufacturer System Product Name/P6T DELUXE V2 [27457.669136] RIP: 0010:[] [] __mut= ex_lock_common+0xcb/0x193 [27457.669139] RSP: 0018:ffff88014e403ac8 EFLAGS: 00010246 [27457.669140] RAX: 0000000000000000 RBX: ffff8801b56749d8 RCX: ffff8801b= 56749f0 [27457.669141] RDX: ffff88014e403ae8 RSI: 0000000000000002 RDI: ffff8801b= 56749dc [27457.669143] RBP: ffff8801a44d4240 R08: 0000000000000002 R09: 000000000= 0000000 [27457.669144] R10: 0000000000002f29 R11: ffff8801bfffcc00 R12: 000000000= 0000002 [27457.669145] R13: ffff8801b56749dc R14: ffff8801b56749e0 R15: ffff88014= e402010 [27457.669147] FS: 00007f2f2d786760(0000) GS:ffff8801bfc00000(0000) knlG= S:0000000000000000 [27457.669148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [27457.669150] CR2: 0000000000000000 CR3: 0000000128b4a000 CR4: 000000000= 00006f0 [27457.669151] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000= 0000000 [27457.669152] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 000000000= 0000400 [27457.669154] Process kopete (pid: 12073, threadinfo ffff88014e402000, t= ask ffff8801a44d4240) [27457.669155] Stack: [27457.669156] 000000000000001e ffffffff810cb01a ffffea0005c86780 000000= 0000000000 [27457.669158] ffff8801b56749e0 0000000000000000 ffff88014e402000 ffff88= 0100000000 [27457.669161] 0000000005c86780 ffff8801b56749d8 ffff88014e403da8 ffff88= 01b49f5400 [27457.669163] Call Trace: [27457.669166] [] ? zone_statistics+0x41/0x74 [27457.669170] [] ? mutex_lock+0x1a/0x33 [27457.669175] [] ? videobuf_reqbufs+0x64/0x19f [video= buf_core] [27457.669180] [] ? __video_do_ioctl+0x1f68/0x4493 [vi= deodev] [27457.669184] [] ? __alloc_pages_nodemask+0x13d/0x7c4= [27457.669186] [] ? find_get_page+0x3b/0x5e [27457.669188] [] ? filemap_fault+0x1a3/0x34e [27457.669191] [] ? lookup_page_cgroup+0x2d/0x42 [27457.669193] [] ? mem_cgroup_update_page_stat+0x16/0= xdd [27457.669195] [] ? __do_fault+0x3f9/0x430 [27457.669200] [] ? video_usercopy+0x2d5/0x388 [videod= ev] [27457.669205] [] ? v4l2_video_std_construct+0x52/0x52= [videodev] [27457.669210] [] ? v4l2_ioctl+0x7f/0x122 [videodev] [27457.669213] [] ? do_vfs_ioctl+0x445/0x492 [27457.669215] [] ? sys_ioctl+0x4b/0x72 [27457.669217] [] ? system_call_fastpath+0x16/0x1b [27457.669218] Code: f3 90 eb 93 4c 8d 6b 04 4c 8d 73 08 4c 89 ef e8 c2 0= a 00 00 48 8b 43 10 48 8d 54 24 20 4c 89 74 24 20 48 89 53 10 48 89 44 24= 28=20 [27457.669228] 89 10 83 ca ff 48 89 6c 24 30 89 d0 87 03 ff c8 74 53 44 = 88=20 [27457.669233] RIP [] __mutex_lock_common+0xcb/0x193 [27457.669235] RSP [27457.669236] CR2: 0000000000000000 [27457.669238] ---[ end trace 77418d8930e31700 ]--- --------------020602070409000102050803--