Hi, I'm using latest kernel git. [15117.080119] BUG: unable to handle kernel paging request at fffffffffffffff3 [15117.080152] IP: [] vma_stop+0x19/0x40 [15117.080172] PGD 1a05067 PUD 1a06067 PMD 0 [15117.080191] Oops: 0000 [#1] SMP [15117.080204] last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda/uevent [15117.080222] CPU 1 [15117.080229] Modules linked in: binfmt_misc parport_pc ppdev snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi adt7475 hwmon_vid snd_seq_midi_event snd_seq nouveau snd_timer snd_seq_device ttm snd drm_kms_helper soundcore drm snd_page_alloc i2c_algo_bit psmouse serio_raw video r8169 intel_agp intel_gtt lp parport mii pata_marvell ahci libahci [15117.080379] [15117.080387] Pid: 1446, comm: chromium-browse Not tainted 2.6.38-git18+ #3 MICRO-STAR INTERNATIONAL CO.,LTD MS-7360/MS-7360 [15117.080412] RIP: 0010:[] [] vma_stop+0x19/0x40 [15117.080430] RSP: 0018:ffff8800654a3e48 EFLAGS: 00010213 [15117.080440] RAX: 00000000fffffff3 RBX: ffff88006c6ae7e0 RCX: 0000000000000013 [15117.080453] RDX: ffffffff81619200 RSI: fffffffffffffff3 RDI: ffff88006c6ae7e0 [15117.080465] RBP: ffff8800654a3e58 R08: 0000000000000001 R09: 0000000000000000 [15117.080478] R10: 0000000000000022 R11: 0000000000000293 R12: ffff88002509aa00 [15117.080490] R13: fffffffffffffff3 R14: ffff88005d142480 R15: ffff8800654a3ec0 [15117.080503] FS: 00007ff183615920(0000) GS:ffff88007fc80000(0000) knlGS:0000000000000000 [15117.080517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [15117.080529] CR2: fffffffffffffff3 CR3: 00000000654ab000 CR4: 00000000000006e0 [15117.080541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [15117.080554] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [15117.080567] Process chromium-browse (pid: 1446, threadinfo ffff8800654a2000, task ffff88006a05db00) [15117.080581] Stack: [15117.080588] 0000000000000000 ffff88006c6ae7e0 ffff8800654a3e78 ffffffff811b4a3a [15117.080613] ffff88005d142480 ffff88005d142480 ffff8800654a3ef8 ffffffff8117d991 [15117.080637] 00000000fffffff3 00007fff1aecb250 ffff88002509aa38 ffff8800654a3f48 [15117.080660] Call Trace: [15117.080671] [] m_stop+0x1a/0x40 [15117.080685] [] seq_read+0x1e1/0x420 [15117.080698] [] vfs_read+0xc5/0x190 [15117.080711] [] sys_read+0x51/0x90 [15117.080724] [] system_call_fastpath+0x16/0x1b [15117.080736] Code: c9 90 c3 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 53 48 83 ec 08 0f 1f 44 00 00 48 85 f6 74 1a 48 39 77 10 74 14 [15117.080872] 8b 1e 48 8d 7b 60 e8 eb 2f ed ff 48 89 df e8 43 9b ea ff 48 [15117.080940] RIP [] vma_stop+0x19/0x40 [15117.080955] RSP [15117.080963] CR2: fffffffffffffff3 [15117.113062] ---[ end trace 4aa56b1e030e2b1e ]---