https://bugzilla.novell.com/show_bug.cgi?id=838631 https://bugzilla.novell.com/show_bug.cgi?id=838631#c0 Summary: Crash results in BUG: unable to handle kernel NULL pointer dereference at (null) Classification: openSUSE Product: openSUSE Factory Version: 13.1 Milestone 4 Platform: x86-64 OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: mpluskal@suse.com QAContact: qa-bugs@suse.de Found By: --- Blocker: --- When crashing kernel (echo c > /proc/sysrq-trigger), following message appears: Ä 390.466289Ü SysRq : Trigger a crash Ä 390.470260Ü BUG: unable to handle kernel NULL pointer dereference at (null) Ä 390.479119Ü IP: Ä<ffffffff81387dfd>Ü sysrq_handle_crash+0xd/0x20 Ä 390.485900Ü PGD 1790b0067 PUD 175f28067 PMD 0 Ä 390.490967Ü Oops: 0002 Ä#1Ü PREEMPT SMP Ä 390.495464Ü Modules linked in: crash(O) lp parport_pc ppdev parport joydev st vhost_net macvtap macvlan vhost tun ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables af_packet bridge stp llc nls_iso8859_1 nls_cp437 vfat fat cdc_ether usbnet mii iTCO_wdt iTCO_vendor_support bnx2 coretemp sr_mod tpm_tis serio_raw i2c_i801 cdrom kvm_intel kvm crc32c_intel tpm lpc_ich pcspkr mfd_core i7core_edac tpm_bios button ioatdma edac_core dca shpchp mperf sg autofs4 efivarfs mgag200 ttm drm_kms_helper drm i2c_algo_bit sysimgblt sysfillrect syscopyarea processor thermal_sys scsi_dh_rdac scsi_dh_alua scsi_dh_emc scsi_dh_hp_sw scsi_dh ata_generic ata_piix megaraid_sas Älast unloaded: parport_pcÜ Ä 390.568248Ü CPU: 2 PID: 4887 Comm: bash Tainted: G O 3.11.0-rc7-1.g99e1318-desktop #1 Ä 390.578060Ü Hardware name: IBM System x3550 M3 -Ä7944K1GÜ-/69Y4438 , BIOS -ÄD6E158AUS-1.16Ü- 11/26/2012 Ä 390.589055Ü task: ffff880136a722c0 ti: ffff880174dfe000 task.ti: ffff880174dfe000 Ä 390.597494Ü RIP: 0010:Ä<ffffffff81387dfd>Ü Ä<ffffffff81387dfd>Ü sysrq_handle_crash+0xd/0x20 Ä 390.607041Ü RSP: 0018:ffff880174dffeb8 EFLAGS: 00010086 Ä 390.613028Ü RAX: 000000000000000f RBX: ffffffff81c71000 RCX: 0000000000000000 Ä 390.621078Ü RDX: ffff88017fc4f778 RSI: ffff88017fc4da48 RDI: 0000000000000063 Ä 390.629106Ü RBP: 0000000000000063 R08: ffffffff81ea2884 R09: 00000000000006ef Ä 390.637146Ü R10: 00000000000006ee R11: 0000000000000003 R12: 0000000000000246 Ä 390.645131Ü R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 Ä 390.653145Ü FS: 00007f53aa09e700(0000) GS:ffff88017fc40000(0000) knlGS:0000000000000000 Ä 390.662172Ü CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Ä 390.668635Ü CR2: 0000000000000000 CR3: 0000000174a26000 CR4: 00000000000027e0 Ä 390.676600Ü Stack: Ä 390.678911Ü ffffffff81388480 0000000000000002 0000000000000002 00007f53a9ef7000 Ä 390.687345Ü ffff880174dfff58 0000000000000000 ffffffff81388956 ffff880176dfe780 Ä 390.695732Ü ffffffff811e4424 ffff880174dfff58 ffff880174f11680 ffffffff811847e3 Ä 390.704150Ü Call Trace: Ä 390.706899Ü Ä<ffffffff81388480>Ü __handle_sysrq+0x90/0x160 Ä 390.713133Ü Ä<ffffffff81388956>Ü write_sysrq_trigger+0x26/0x30 Ä 390.719796Ü Ä<ffffffff811e4424>Ü proc_reg_write+0x34/0x70 Ä 390.725797Ü Ä<ffffffff811847e3>Ü vfs_write+0xb3/0x1e0 Ä 390.731581Ü Ä<ffffffff811851f3>Ü SyS_write+0x43/0xa0 Ä 390.737256Ü Ä<ffffffff815b5aad>Ü system_call_fastpath+0x1a/0x1f Ä 390.744034Ü Ä<00007f53a9540790>Ü 0x7f53a954078f Ä 390.749211Ü Code: ed 41 39 6c 24 34 75 de 4c 89 e7 e8 5e f8 ff ff eb d4 66 2e 0f 1f 84 00 00 00 00 00 66 90 c7 05 8a c4 ae 00 01 00 00 00 0f ae f8 <c6> 04 25 00 00 00 00 01 c3 66 2e 0f 1f 84 00 00 00 00 00 53 8d Ä 390.772575Ü RIP Ä<ffffffff81387dfd>Ü sysrq_handle_crash+0xd/0x20 Ä 390.779426Ü RSP <ffff880174dffeb8> Ä 390.783340Ü CR2: 0000000000000000 Ä 0.120653Ü ÄFirmware BugÜ: the BIOS has corrupted hw-PMU resources (MSR 38d is b0) Ä 0.532607Ü APEI: Can not request Ämem 0x7f731044-0x7f73104eÜ for APEI ERST registers Ä 1.420439Ü megasas: INIT adapter done uname -a: Linux antikristyna 3.11.0-rc7-1.g99e1318-desktop #1 SMP PREEMPT Tue Aug 27 13:32:27 UTC 2013 (99e1318) x86_64 x86_64 x86_64 GNU/Linux -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.