Problems that seem related to the 5300 agn network chipset.
Lenovo X301
Kernel oops
Apr 27 11:56:40 sashimi kernel: [ 4146.172051] Pid: 9747, comm: stat Tainted: G D 2.6.28-11-generic #42-Ubuntu Apr 27 11:56:40 sashimi kernel: [ 4146.172051] RIP: 0010:[<ffffffff802fa195>] [<ffffffff802fa195>] d_path+0x25/0xf0 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] RSP: 0018:ffff88011c0abdd8 EFLAGS: 00010286 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] RAX: 00000000000001b6 RBX: ffff880116595700 RCX: ffff88011c0abe58 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] RDX: 0000000000000e4a RSI: ffff88012ea971b6 RDI: 0000000000000000 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] RBP: ffff88011c0abe18 R08: ffff88011c0abd98 R09: ffffffff8081511f Apr 27 11:56:40 sashimi kernel: [ 4146.172051] R10: 0000000000000003 R11: ffff88012ea97177 R12: ffff88011c0abe58 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] R13: 0000000000000e4a R14: ffff88012ea971b6 R15: ffff88013b2fe600 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] FS: 00007ff907dab780(0000) GS:ffff88013b802d80(0000) knlGS:0000000000000000 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] CR2: 0000000000000088 CR3: 0000000122501000 CR4: 00000000000026a0 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] Process stat (pid: 9747, threadinfo ffff88011c0aa000, task ffff880133025980) Apr 27 11:56:40 sashimi kernel: [ 4146.172051] Stack: Apr 27 11:56:40 sashimi kernel: [ 4146.172051] ffff88011c0abe28 ffffffff80303bed ffff880138847600 ffffffff807fc509 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] ffff880116595700 ffff88012ea971b6 ffffffff807fc509 ffff88011c0abed0 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] ffff88011c0abe48 ffffffff80303d5d ffff880116595700 ffff880116595700 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] Call Trace: Apr 27 11:56:40 sashimi kernel: [ 4146.172051] [<ffffffff80303bed>] ? seq_escape+0xad/0x130 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] [<ffffffff80303d5d>] seq_path+0x3d/0x90 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] [<ffffffff802ffdf5>] show_vfsmnt+0x65/0x150 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] [<ffffffff803041bf>] seq_read+0x24f/0x3a0 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] [<ffffffff802e8148>] vfs_read+0xc8/0x130 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] [<ffffffff802e82a0>] sys_read+0x50/0x90 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] [<ffffffff8021253a>] system_call_fastpath+0x16/0x1b Apr 27 11:56:40 sashimi kernel: [ 4146.172051] Code: 49 0f 44 dd eb 90 55 48 89 e5 48 83 ec 40 4c 89 65 e8 4c 89 6d f0 49 89 fc 4c 89 75 f8 4 8 89 5d e0 49 89 f6 48 8b 7f 08 41 89 d5 <48> 8b 87 88 00 00 00 48 85 c0 74 27 48 8b 40 30 48 85 c0 74 1e Apr 27 11:56:40 sashimi kernel: [ 4146.172051] RIP [<ffffffff802fa195>] d_path+0x25/0xf0 Apr 27 11:56:40 sashimi kernel: [ 4146.172051] RSP <ffff88011c0abdd8> Apr 27 11:56:40 sashimi kernel: [ 4146.172051] CR2: 0000000000000088 Apr 27 11:56:40 sashimi kernel: [ 4146.208146] ---[ end trace cd3258e7979a77a5 ]--- Apr 27 11:56:40 sashimi kernel: [ 4146.213964] BUG: unable to handle kernel NULL pointer dereference at 0000000000000088 Apr 27 11:56:40 sashimi kernel: [ 4146.215314] IP: [<ffffffff802fa195>] d_path+0x25/0xf0 Apr 27 11:56:40 sashimi kernel: [ 4146.216041] PGD 11c159067 PUD 1074be067 PMD 0 Apr 27 11:56:40 sashimi kernel: [ 4146.216537] Oops: 0000 [#10] SMP Apr 27 11:56:40 sashimi kernel: [ 4146.216537] last sysfs file: /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/rfkill/rfkill1/state Apr 27 11:56:40 sashimi kernel: [ 4146.216537] CPU 1 Apr 27 11:56:40 sashimi kernel: [ 4146.216537] Modules linked in: i915 drm binfmt_misc ppdev bridge stp bnep vboxnetflt vboxdrv kvm_intel kvm input_polldev btusb dm_crypt lp parport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm arc4 snd_seq_dummy snd_seq_oss snd_seq_midi ecb snd_rawmidi snd_seq_midi_event thinkpad_acpi nvram iwlagn snd_seq iwlcore led_class psmouse mac80211 snd_timer pcspkr serio_raw snd_seq_device iTCO_wdt iTCO_vendor_support snd soundcore snd_page_alloc cfg80211 uvcvideo compat_ioctl32 videodev v4l1_compat intel_agp video output e1000e fbcon tileblit font bitblit softcursor