Messages in this thread | | | Date | Fri, 18 Sep 2009 02:38:09 -0700 (PDT) | From | David Rientjes <> | Subject | Re: mmotm 2009-09-09-22-56 uploaded |
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On Tue, 15 Sep 2009, David Rientjes wrote:
> > Sep 15 15:29:36 jay-t60p kernel: BUG: unable to handle kernel NULL > > pointer dereference at (null) > > Sep 15 15:29:36 jay-t60p kernel: IP: [<ffffffff81178954>] > > bitmap_scnprintf+0x5a/0xae > > Sep 15 15:29:36 jay-t60p kernel: PGD 0 > > Sep 15 15:29:36 jay-t60p kernel: Oops: 0000 [#1] SMP > > Sep 15 15:29:36 jay-t60p kernel: last sysfs file: > > /sys/devices/pci0000:00/0000:00:01.0/local_cpus > > Sep 15 15:29:36 jay-t60p kernel: CPU 1 > > Sep 15 15:29:36 jay-t60p kernel: Modules linked in: bnep sco nfsd > > exportfs rfcomm l2cap crc16 snd_pcm_oss snd_mixer_oss snd_seq > > binfmt_misc snd_seq_device nfs lockd nfs_acl auth_rpcgss sunrpc ipv6 > > cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq > > ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack > > nf_defrag_ipv4 ip_tables x_tables bridge stp tun fuse loop dm_mod > > snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep rtc_cmos > > pcmcia btusb snd_pcm snd_timer snd ppdev thinkpad_acpi rtc_core > > i2c_i801 yenta_socket iTCO_wdt nsc_ircc usbhid ide_cd_mod video > > rsrc_nonstatic pl2303 bluetooth hid soundcore parport_pc led_class > > output rtc_lib ac battery button intel_agp i2c_core pcmcia_core pcspkr > > usbserial iTCO_vendor_support irda e1000e cdrom snd_page_alloc parport > > sg rfkill joydev uinput crc_ccitt uhci_hcd ehci_hcd sd_mod crc_t10dif > > usbcore edd ext3 mbcache jbd fan ide_pci_generic ata_generic ata_piix > > pata_acpi ahci libata scsi_mod piix ide_core thermal processor > > thermal_sys hwmon > > Sep 15 15:29:36 jay-t60p kernel: Pid: 2478, comm: irqbalance Not > > tainted 2.6.31-rc9-mm1-0.1-default #7 20088JQ > > Sep 15 15:29:36 jay-t60p kernel: RIP: 0010:[<ffffffff81178954>] > > [<ffffffff81178954>] bitmap_scnprintf+0x5a/0xae > > Sep 15 15:29:36 jay-t60p kernel: RSP: 0018:ffff880037a81e38 EFLAGS: 00010246 > > Sep 15 15:29:36 jay-t60p kernel: RAX: 0000000000000000 RBX: > > 0000000000000000 RCX: 0000000000000000 > > Sep 15 15:29:36 jay-t60p kernel: RDX: 0000000000000002 RSI: > > 0000000000000ffe RDI: 0000000000000000 > > Sep 15 15:29:36 jay-t60p kernel: RBP: ffff880037a81e68 R08: > > 0000000000000005 R09: 0000000000000001 > > Sep 15 15:29:36 jay-t60p kernel: R10: ffffffff813c1cd3 R11: > > 0000000000000001 R12: 0000000000000000 > > Sep 15 15:29:36 jay-t60p kernel: R13: 0000000000000000 R14: > > 0000000000000ffe R15: ffff88007bbe3000 > > Sep 15 15:29:36 jay-t60p kernel: FS: 00007f605bee46f0(0000) > > GS:ffff880005f00000(0000) knlGS:0000000000000000 > > Sep 15 15:29:36 jay-t60p kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > > 000000008005003b > > Sep 15 15:29:36 jay-t60p kernel: CR2: 0000000000000000 CR3: > > 000000007acf8000 CR4: 00000000000006e0 > > Sep 15 15:29:36 jay-t60p kernel: DR0: 0000000000000000 DR1: > > 0000000000000000 DR2: 0000000000000000 > > Sep 15 15:29:36 jay-t60p kernel: DR3: 0000000000000000 DR6: > > 00000000ffff0ff0 DR7: 0000000000000400 > > Sep 15 15:29:36 jay-t60p kernel: Process irqbalance (pid: 2478, > > threadinfo ffff880037a80000, task ffff8800376d8280) > > Sep 15 15:29:37 jay-t60p rpc.statd[2588]: statd running as root. chown > > /var/lib/nfs/sm to choose different user > > Sep 15 15:29:37 jay-t60p sm-notify[2596]: Already notifying clients; Exiting! > > Sep 15 15:29:36 jay-t60p modem-manager: Loaded plugin MBM > > Sep 15 15:29:36 jay-t60p kernel: Stack: > > Sep 15 15:29:37 jay-t60p kernel: ffffffff8152b7d0 ffff88007bbe3000 > > ffffffff8154a6a8 ffff88007c7aa2d8 > > Sep 15 15:29:37 jay-t60p kernel: <0> ffffffff81556620 ffff880037a81f48 > > ffff880037a81e88 ffffffff81186937 > > Sep 15 15:29:37 jay-t60p kernel: <0> ffff88007c7aa2d8 fffffffffffffffb > > ffff880037a81ea8 ffffffff811fbff6 > > Sep 15 15:29:37 jay-t60p kernel: Call Trace: > > Sep 15 15:29:37 jay-t60p kernel: [<ffffffff81186937>] local_cpus_show+0x36/0x49 > > Sep 15 15:29:37 jay-t60p kernel: [<ffffffff811fbff6>] dev_attr_show+0x20/0x44 > > Sep 15 15:29:37 jay-t60p kernel: [<ffffffff81121741>] > > sysfs_read_file+0xb2/0x131 > > Sep 15 15:29:37 jay-t60p kernel: [<ffffffff810ce07c>] vfs_read+0xb1/0x187 > > Sep 15 15:29:37 jay-t60p kernel: [<ffffffff810ce216>] sys_read+0x47/0x70 > > Sep 15 15:29:37 jay-t60p modem-manager: Loaded plugin Sierra > > Sep 15 15:29:37 jay-t60p kernel: [<ffffffff8100b9eb>] > > system_call_fastpath+0x16/0x1b > > Looks like a bootstrap issue since is appears as though `local_cpus' is > being read by some initscript on your T60p and mine doesn't suffer from > the same problem (it isn't read at all on mine). > > CONFIG_DEBUG_PER_CPU_MAPS should be able to diagnose it when you get back > from traveling. >
Ingo reported this on 2.6.31-tip, so it doesn't actually appear to be related to mmotm.
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