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[Bug 703363] New: unable to handle kernel NULL pointer dereference at 00000010 IP:_raw_write_lock+0xc/0x20
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Fri, 1 Jul 2011 05:25:33 +0000
  • Message-id: <bug-703363-21960@http.bugzilla.novell.com/>

https://bugzilla.novell.com/show_bug.cgi?id=703363

https://bugzilla.novell.com/show_bug.cgi?id=703363#c0


Summary: unable to handle kernel NULL pointer dereference at
00000010 IP:_raw_write_lock+0xc/0x20
Classification: openSUSE
Product: openSUSE 11.4
Version: Final
Platform: x86
OS/Version: openSUSE 11.4
Status: NEW
Severity: Critical
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: auxsvr@xxxxxxxxx
QAContact: qa@xxxxxxx
Found By: ---
Blocker: ---


User-Agent: Mozilla/5.0 (compatible; Konqueror/4.6) KHTML/4.6.4 (like
Gecko) SUSE

As I was switching tabs in Firefox, this oops occurred. After that, the screen
was displaying parts of the call trace and SysRq-S,B were effective, yet the
filesystem was corrupted to a limited extent.

BUG: unable to handle kernel NULL pointer dereference at 00000010
IP: [<c06907cc>] _raw_write_lock+0xc/0x20
*pdpt = 0000000016aaa001 *pde = 0000000000000000
Oops: 0002 [#1] PREEMPT SMP
last sysfs file: /sys/devices/virtual/sound/timer/uevent
Modules linked in: snd_seq_oss snd_seq_dummy nls_utf8 loop xt_time xt_connlimit
xt_realm iptable_raw xt_comment xt_recent xt_policy ipt_ULOG ipt_REJECT
ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah
ipt_addrtype nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_pptp
nf_nat_proto_gre nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp
nf_conntrack_amanda nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip
nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre
nf_conntrack_netlink nf_conntrack_netbios_ns nf_conntrack_irc nf_conntrack_h323
nf_conntrack_ftp xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG
nfnetlink_log xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange
xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_connmark
xt_CLASSIFY ipt_LOG xt_tcpudp xt_state iptable_nat nf_nat nf_conntrack_ipv4
nf_defrag_ipv4 nf_conntrack iptable_mangle nfnetlink iptable_filter ip_tables
x_tables sidewinder s
sbshc asb100 hwmon_vid snd_pcm_oss snd_mixer_oss snd_seq_midi snd_emu10k1_synth
snd_emux_synth snd_seq_virmidi snd_seq_midi_event snd_seq_midi_emul snd_seq edd
vboxnetadp vboxnetflt vboxdrv af_packet bridge stp llc microcode lp fuse
saa7134_alsa tda827x tda8290 tuner ir_lirc_codec ks959_sir irda lirc_dev
ir_sony_decoder cdc_ether ir_jvc_decoder rc_avermedia saa7134 usbnet
ir_rc6_decoder snd_emu10k1 v4l2_common snd_intel8x0 snd_rawmidi videodev
crc_ccitt ir_rc5_decoder snd_ac97_codec v4l1_compat firewire_ohci
videobuf_dma_sg ir_nec_decoder ac97_bus joydev videobuf_core firewire_core
ir_common ir_core snd_pcm snd_seq_device crc_itu_t snd_util_mem emu10k1_gp
sr_mod tveeprom snd_timer via_rhine iTCO_wdt ns558 snd_hwdep tg3 snd ppdev
gameport cdrom sg iTCO_vendor_support i2c_i801 soundcore snd_page_alloc
parport_pc parport button pcspkr shpchp pci_hotplug ext4 jbd2 crc16 linear
radeon ttm drm_kms_helper drm sata_promise i2c_algo_bit dm_snapshot dm_mod fan
thermal processor thermal_sys [
unloaded: preloadtrace]

Pid: 4155, comm: Xorg Not tainted 2.6.37.6-0.5-desktop #1 System Manufacturer
System Name/P4PE
EIP: 0060:[<c06907cc>] EFLAGS: 00013202 CPU: 0
EIP is at _raw_write_lock+0xc/0x20
EAX: 00000010 EBX: 00000010 ECX: 00000000 EDX: ebe3a000
ESI: e9e3f42c EDI: f5602220 EBP: f6d5e1b4 ESP: ebe3bde4
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Process Xorg (pid: 4155, ti=ebe3a000 task=f6f20d60 task.ti=ebe3a000)
Stack:
f7b9f89f eaa8dd1c eaa8dd1c f7ba2683 00000000 eac2723c c02fb9c9 eaa8dd1c
f6d5e180 c02fdfbf 00000000 ebe3be18 00000000 00003c5c f5602220 f6d5e180
f6d5e180 f6f2115c c024651b f6f20d60 c024c367 f6f20d60 00000001 c028c152
Call Trace:
[<f7b9f89f>] ttm_bo_unref+0x1f/0x40 [ttm]
[<f7ba2683>] ttm_bo_vm_close+0x13/0x20 [ttm]
[<c02fb9c9>] remove_vma+0x19/0x60
[<c02fdfbf>] exit_mmap+0x11f/0x180
[<c024651b>] mmput+0x2b/0xc0
[<c024c367>] exit_mm+0xf7/0x120
[<c024c4b1>] do_exit+0x121/0x3c0
[<c024c89c>] do_group_exit+0x3c/0xa0
[<c025b2ff>] get_signal_to_deliver+0x24f/0x3f0
[<c020289f>] do_signal+0x8f/0x140
[<c0202b75>] do_notify_resume+0x65/0x80
[<c0690d62>] work_notifysig+0x13/0x19
[<ffffe424>] 0xffffe424
Code: 42 14 01 89 d8 3e 81 28 00 00 00 01 74 05 e8 ec fb ff ff 5b c3 8d 76 00
8d bc 27 00 00 00 00 89 e2 81 e2 00 e0 ff ff 83 42 14 01 <3e> 81 28 00 00 00 01
74 05 e8 c6 fb ff ff c3 90 8d 74 26 00 9c
EIP: [<c06907cc>] _raw_write_lock+0xc/0x20 SS:ESP 0068:ebe3bde4
CR2: 0000000000000010
---[ end trace 9801d87d3be9c4f2 ]---
Fixing recursive fault but reboot is needed!
BUG: scheduling while atomic: Xorg/4155/0x00000002
Modules linked in: snd_seq_oss snd_seq_dummy nls_utf8 loop xt_time xt_connlimit
xt_realm iptable_raw xt_comment xt_recent xt_policy ipt_ULOG ipt_REJECT
ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah
ipt_addrtype nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_pptp
nf_nat_proto_gre nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp
nf_conntrack_amanda nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip
nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre
nf_conntrack_netlink nf_conntrack_netbios_ns nf_conntrack_irc nf_conntrack_h323
nf_conntrack_ftp xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG
nfnetlink_log xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange
xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_connmark
xt_CLASSIFY ipt_LOG xt_tcpudp xt_state iptable_nat nf_nat nf_conntrack_ipv4
nf_defrag_ipv4 nf_conntrack iptable_mangle nfnetlink iptable_filter ip_tables
x_tables sidewinder s
sbshc asb100 hwmon_vid snd_pcm_oss snd_mixer_oss snd_seq_midi snd_emu10k1_synth
snd_emux_synth snd_seq_virmidi snd_seq_midi_event snd_seq_midi_emul snd_seq edd
vboxnetadp vboxnetflt vboxdrv af_packet bridge stp llc microcode lp fuse
saa7134_alsa tda827x tda8290 tuner ir_lirc_codec ks959_sir irda lirc_dev
ir_sony_decoder cdc_ether ir_jvc_decoder rc_avermedia saa7134 usbnet
ir_rc6_decoder snd_emu10k1 v4l2_common snd_intel8x0 snd_rawmidi videodev
crc_ccitt ir_rc5_decoder snd_ac97_codec v4l1_compat firewire_ohci
videobuf_dma_sg ir_nec_decoder ac97_bus joydev videobuf_core firewire_core
ir_common ir_core snd_pcm snd_seq_device crc_itu_t snd_util_mem emu10k1_gp
sr_mod tveeprom snd_timer via_rhine iTCO_wdt ns558 snd_hwdep tg3 snd ppdev
gameport cdrom sg iTCO_vendor_support i2c_i801 soundcore snd_page_alloc
parport_pc parport button pcspkr shpchp pci_hotplug ext4 jbd2 crc16 linear
radeon ttm drm_kms_helper drm sata_promise i2c_algo_bit dm_snapshot dm_mod fan
thermal processor thermal_sys [
unloaded: preloadtrace]
Pid: 4155, comm: Xorg Tainted: G D 2.6.37.6-0.5-desktop #1
Call Trace:
[<c02062a3>] try_stack_unwind+0x173/0x190
[<c0204ebf>] dump_trace+0x3f/0xe0
[<c020630b>] show_trace_log_lvl+0x4b/0x60
[<c0206338>] show_trace+0x18/0x20
[<c068dd50>] dump_stack+0x6d/0x72
[<c068e8a0>] schedule+0x6f0/0x760
[<c024c707>] do_exit+0x377/0x3c0
[<c0691d77>] oops_end+0x87/0xc0
[<c0227b6f>] bad_area_nosemaphore+0xf/0x20
[<c0693b9a>] do_page_fault+0x41a/0x4b0
[<c06912c6>] error_code+0x5a/0x60
[<c06907cc>] _raw_write_lock+0xc/0x20
[<f7b9f89f>] ttm_bo_unref+0x1f/0x40 [ttm]
[<f7ba2683>] ttm_bo_vm_close+0x13/0x20 [ttm]
[<c02fb9c9>] remove_vma+0x19/0x60
[<c02fdfbf>] exit_mmap+0x11f/0x180
[<c024651b>] mmput+0x2b/0xc0
[<c024c367>] exit_mm+0xf7/0x120
[<c024c4b1>] do_exit+0x121/0x3c0
[<c024c89c>] do_group_exit+0x3c/0xa0
[<c025b2ff>] get_signal_to_deliver+0x24f/0x3f0
[<c020289f>] do_signal+0x8f/0x140
[<c0202b75>] do_notify_resume+0x65/0x80
[<c0690d62>] work_notifysig+0x13/0x19
[<ffffe424>] 0xffffe424

For some reason, kerneloops did not send this to the kerneloops.org, even
though I requested it to do so.


Reproducible: Couldn't Reproduce




This looks related:
http://lkml.indiana.edu/hypermail/linux/kernel/1011.1/00221.html

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