I hit this Oops when booting under 2.6.36-rc5. With 2.6.35-rc4, the system boots fine. Sep 21 22:05:20 dom kernel: [ 16.280243] BUG: unable to handle kernel NULL pointer dereference at (null) Sep 21 22:05:20 dom kernel: [ 16.281080] IP: [<ffffffffa0065d8e>] hiddev_open+0xbe/0x200 [usbhid] Sep 21 22:05:20 dom kernel: [ 16.281918] PGD 229784067 PUD 2297d9067 PMD 0 Sep 21 22:05:20 dom kernel: [ 16.282976] Oops: 0000 [#1] SMP Sep 21 22:05:20 dom kernel: [ 16.283789] last sysfs file: /sys/devices/virtual/net/lo/flags Sep 21 22:05:20 dom kernel: [ 16.284585] CPU 7 Sep 21 22:05:20 dom kernel: [ 16.284598] Modules linked in: nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_tcpudp iptable_filter ip_tables x_tables coretemp ipv6 adt7475 hwmon_vid binfmt_misc loop dm_mirror dm_region_hash dm_log dm_mod cpufreq_ondemand cpufreq_conservative cpufreq_powersave acpi_cpufreq freq_table mperf radeon ttm drm_kms_helper drm i2c_algo_bit kvm_intel kvm snd_hda_codec_atihdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_pcm button i2c_i801 snd_timer i2c_core snd_mixer_oss thermal joydev e1000e wmi i7core_edac iTCO_wdt iTCO_vendor_support edac_core serio_raw evdev sr_mod snd sg processor soundcore snd_page_alloc ata_piix ahci libahci libata sd_mod scsi_mod crc_t10dif raid1 ext4 jbd2 crc16 uhci_hcd ohci_hcd ehci_hcd usbhid hid usbcore [last unloaded: scsi_wait_scan] Sep 21 22:05:20 dom kernel: [ 16.292357] Sep 21 22:05:20 dom kernel: [ 16.293289] Pid: 1467, comm: hald-probe-hidd Not tainted 2.6.36-0.rc5.1mdv #1 DX58SO/ Sep 21 22:05:20 dom kernel: [ 16.294257] RIP: 0010:[<ffffffffa0065d8e>] [<ffffffffa0065d8e>] hiddev_open+0xbe/0x200 [usbhid] Sep 21 22:05:20 dom kernel: [ 16.295244] RSP: 0018:ffff8802297dbc08 EFLAGS: 00010286 Sep 21 22:05:20 dom kernel: [ 16.296236] RAX: 0000000000000000 RBX: ffff88022942fe00 RCX: 0000000000000000 Sep 21 22:05:20 dom kernel: [ 16.297255] RDX: ffffffffa006b928 RSI: ffffffffa006966f RDI: ffff88022904c030 Sep 21 22:05:20 dom kernel: [ 16.298284] RBP: ffff8802297dbc38 R08: ffffea00078f8e08 R09: 0000000000000004 Sep 21 22:05:20 dom kernel: [ 16.299327] R10: ffff880100000fd0 R11: 0000000000000004 R12: ffff880229040000 Sep 21 22:05:20 dom kernel: [ 16.300373] R13: 0000000000000000 R14: 0000000000000000 R15: ffff880234962120 Sep 21 22:05:20 dom kernel: [ 16.301420] FS: 00007f07274eb700(0000) GS:ffff880001ce0000(0000) knlGS:0000000000000000 Sep 21 22:05:20 dom kernel: [ 16.302478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 21 22:05:20 dom kernel: [ 16.303551] CR2: 0000000000000000 CR3: 00000002297dd000 CR4: 00000000000006e0 Sep 21 22:05:20 dom kernel: [ 16.304643] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Sep 21 22:05:20 dom kernel: [ 16.305746] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Sep 21 22:05:20 dom kernel: [ 16.306861] Process hald-probe-hidd (pid: 1467, threadinfo ffff8802297da000, task ffff88022a2adb00) Sep 21 22:05:20 dom kernel: [ 16.307992] Stack: Sep 21 22:05:20 dom kernel: [ 16.309123] ffff8802297dbc78 ffffffff812da93c ffff88022942fe00 ffffffffa001a980 Sep 21 22:05:20 dom kernel: [ 16.309160] <0> ffffffffa00691e0 00000000ffffffed ffff8802297dbc78 ffffffffa0011632 Sep 21 22:05:20 dom kernel: [ 16.310336] <0> ffff880234933a00 ffff880236a35500 ffff880234962120 ffff88022942fe00 Sep 21 22:05:20 dom kernel: [ 16.312800] Call Trace: Sep 21 22:05:20 dom kernel: [ 16.313991] [<ffffffff812da93c>] ? kobj_lookup+0x12c/0x1e0 Sep 21 22:05:20 dom kernel: [ 16.315500] [<ffffffffa0011632>] usb_open+0xc2/0x1a0 [usbcore] Sep 21 22:05:20 dom kernel: [ 16.316855] [<ffffffff81147aad>] chrdev_open+0xcd/0x1e0 Sep 21 22:05:20 dom kernel: [ 16.318033] [<ffffffff811479e0>] ? chrdev_open+0x0/0x1e0 Sep 21 22:05:20 dom kernel: [ 16.319232] [<ffffffff81141be7>] __dentry_open+0xe7/0x330 Sep 21 22:05:20 dom kernel: [ 16.320497] [<ffffffff811d8d8f>] ? security_inode_permission+0x1f/0x30 Sep 21 22:05:20 dom kernel: [ 16.321792] [<ffffffff81142ea4>] nameidata_to_filp+0x54/0x70 Sep 21 22:05:20 dom kernel: [ 16.323232] [<ffffffff81151140>] do_last+0x460/0x770 Sep 21 22:05:20 dom kernel: [ 16.324661] [<ffffffff81151625>] do_filp_open+0x1d5/0x650 Sep 21 22:05:20 dom kernel: [ 16.325851] [<ffffffff8132f1b3>] ? move_addr_to_user+0xa3/0xc0 Sep 21 22:05:20 dom kernel: [ 16.327034] [<ffffffff8115ca0f>] ? alloc_fd+0x4f/0x150 Sep 21 22:05:20 dom kernel: [ 16.328222] [<ffffffff81142f25>] do_sys_open+0x65/0x120 Sep 21 22:05:20 dom kernel: [ 16.329397] [<ffffffff81143000>] sys_open+0x20/0x30 Sep 21 22:05:20 dom kernel: [ 16.330586] [<ffffffff8100af42>] system_call_fastpath+0x16/0x1b Sep 21 22:05:20 dom kernel: [ 16.331766] Code: 00 48 c7 c2 28 b9 06 a0 48 c7 c6 6f 96 06 a0 e8 b9 bc 01 e1 4d 89 ac 24 18 c0 00 00 4c 89 a3 a0 00 00 00 49 8b 84 24 18 c0 00 00 <44> 8b 18 45 85 db 0f 84 d6 00 00 00 8b 50 04 8d 4a 01 85 d2 89 Sep 21 22:05:20 dom kernel: [ 16.334639] RIP [<ffffffffa0065d8e>] hiddev_open+0xbe/0x200 [usbhid] Sep 21 22:05:20 dom kernel: [ 16.335937] RSP <ffff8802297dbc08> Sep 21 22:05:20 dom kernel: [ 16.337220] CR2: 0000000000000000 Sep 21 22:05:20 dom kernel: [ 16.338518] ---[ end trace f2d5f9f496c6420b ]--- -- Tomasz Chmielewski http://wpkg.org -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
