Hi Evans, Thank you for taking the time to collect a kdump and uploading it. Here's the backtrace from the crash:
[13862.813072] BUG: unable to handle kernel NULL pointer dereference at 00000188 [13862.813084] IP: [<f9a26b7e>] _nv004005rm+0x51c8/0xb1de [nvidia] [13862.813373] *pdpt = 000000002f9da001 *pde = 0000000000000000 [13862.813381] Oops: 0000 [#1] PREEMPT SMP [13862.813390] Modules linked in: ip6t_LOG xt_tcpudp xt_pkttype ipt_LOG xt_limit af_packet ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_raw xt_NOTRACK ipt_REJECT iptable_raw iptable_filter ip6table_mangle nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables x_tables cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf microcode fuse nvidia(P) iTCO_wdt ppdev iTCO_vendor_support parport_pc tpm_infineon sky2 tpm joydev i2c_i801 sr_mod cdrom sg button serio_raw snd_hda_codec_realtek parport floppy tpm_bios pcspkr snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc edd autofs4 fan processor ata_generic thermal thermal_sys [13862.813495] [13862.813500] Pid: 0, comm: swapper Tainted: P 3.1.10-1.9-desktop #1 transtec AG /D915GUX [13862.813511] EIP: 0060:[<f9a26b7e>] EFLAGS: 00010046 CPU: 0 [13862.813786] EIP is at _nv004005rm+0x51c8/0xb1de [nvidia] [13862.813791] EAX: 00000000 EBX: 00088004 ECX: 00000012 EDX: 00000000 [13862.813796] ESI: f00a8004 EDI: f00a8304 EBP: f1bd7fe4 ESP: f4409e08 [13862.813800] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [13862.813806] Process swapper (pid: 0, ti=f4408000 task=c0a8efa0 task.ti=c0a88000) [13862.813810] Stack: [13862.813813] 00000000 f00a8004 f00a8304 00088004 00000004 f00a8004 f00a8004 f6aac400 [13862.813828] f9a269e8 f00a8004 00000000 00088004 00000004 f882e004 f00a8004 f6aac400 [13862.813843] f9c77d8c f00a8004 00000000 00088004 00000004 f6cf04e0 f6da9480 ffffffea [13862.813857] Call Trace: [13862.813915] Inexact backtrace: [13862.813917] [13862.814030] [<f9a269e8>] ? _nv004005rm+0x5032/0xb1de [nvidia] [13862.814030] [<f9c77d8c>] ? rm_check_pci_config_space+0x7a5/0xe19 [nvidia] [13862.814030] [<c059310f>] ? uhci_submit_interrupt+0x6f/0xf0 [13862.814030] [<f9c9454c>] ? nv_verify_pci_config+0x6c/0x90 [nvidia] [13862.814030] [<f9c6c60e>] ? _nv014526rm+0x22/0x69 [nvidia] [13862.814030] [<f968358c>] ? _nv016109rm+0x240/0x7e1 [nvidia] [13862.814030] [<f9683e2d>] ? _nv016117rm+0x300/0x31e [nvidia] [13862.814030] [<f9c6c182>] ? _nv014585rm+0x92/0x3ae [nvidia] [13862.814030] [<f9c6954d>] ? _nv014597rm+0x56/0xb9 [nvidia] [13862.814030] [<f9c7303a>] ? rm_isr+0x13b/0x25e [nvidia] [13862.814030] [<c055fc8d>] ? ata_bmdma_interrupt+0x14d/0x1c0 [13862.814030] [<f9c9385f>] ? nv_kern_isr+0x2f/0x70 [nvidia] [13862.814030] [<c02ac58a>] ? handle_irq_event_percpu+0x4a/0x250 [13862.814030] [<c02ac7c4>] ? handle_irq_event+0x34/0x60 [13862.814030] [<c02ae910>] ? unmask_irq+0x20/0x20 [13862.814030] [<c02ae956>] ? handle_fasteoi_irq+0x46/0xb0 [13862.814030] <IRQ> [13862.814030] [<c0203cbd>] ? do_IRQ+0x3d/0xc0 [13862.814030] [<c0711f29>] ? common_interrupt+0x29/0x30 [13862.814030] [<c0209b3b>] ? mwait_idle.part.5+0x6b/0x230 [13862.814030] [<c0201619>] ? cpu_idle+0x59/0xa0 [13862.814030] [<c0add76e>] ? start_kernel+0x364/0x369 [13862.814030] [<c0add233>] ? obsolete_checksetup+0x87/0x87 Seems like the problem stems from the binary nvidia module. I don't have an nvidia card myself but I'd suggest trying the open source "nouveau" driver, possibly using a more recent kernel too, http://kernel.opensuse.org/packages/stable -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/908335 Title: Kernel Hard Freezing Very Often To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/908335/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
