dmesg.log

[  244.618491] Chrome_~dThread[1422]: segfault at 0 ip 00007f13dd7e1de7 sp 00007f13d5d71ab0 error 6 in libxul.so[7f13dd7ce000+3774000]
[  244.618498] Chrome_~dThread[1340]: segfault at 0 ip 00007f15761cfde7 sp 00007f156e75fab0 error 6
[  244.618499] Code: b2 04 48 8d 15 6a 12 7e 03 48 89 10 c7 04 25 00 00 00 00 00 00 00 00 0f 0b 48 8b 05 33 19 b2 04 48 8d 0d b4 12 7e 03 48 89 08 <c7> 04 25 00 00 00 00 00 00 00 00 0f 0b e8 2f f4 ff ff 48 8b 05 10
[  244.618500]  in libxul.so[7f15761bc000+3774000]
[  244.618502] Chrome_~dThread[1269]: segfault at 0 ip 00007f63f2358de7 sp 00007f63ea8e8ab0 error 6
[  244.618503] Code: b2 04 48 8d 15 6a 12 7e 03 48 89 10 c7 04 25 00 00 00 00 00 00 00 00 0f 0b 48 8b 05 33 19 b2 04 48 8d 0d b4 12 7e 03 48 89 08 <c7> 04 25 00 00 00 00 00 00 00 00 0f 0b e8 2f f4 ff ff 48 8b 05 10
[  244.618504]  in libxul.so[7f63f2345000+3774000]
[  244.618505] Code: b2 04 48 8d 15 6a 12 7e 03 48 89 10 c7 04 25 00 00 00 00 00 00 00 00 0f 0b 48 8b 05 33 19 b2 04 48 8d 0d b4 12 7e 03 48 89 08 <c7> 04 25 00 00 00 00 00 00 00 00 0f 0b e8 2f f4 ff ff 48 8b 05 10
[  244.622789] Chrome_~dThread[1148]: segfault at 0 ip 00007f9e347b0de7 sp 00007f9e2cd40ab0 error 6 in libxul.so[7f9e3479d000+3774000]
[  244.622798] Code: b2 04 48 8d 15 6a 12 7e 03 48 89 10 c7 04 25 00 00 00 00 00 00 00 00 0f 0b 48 8b 05 33 19 b2 04 48 8d 0d b4 12 7e 03 48 89 08 <c7> 04 25 00 00 00 00 00 00 00 00 0f 0b e8 2f f4 ff ff 48 8b 05 10
[  244.933325] DMAR: DRHD: handling fault status reg 2
[  244.933333] DMAR: [DMA Write] Request device [00:02.0] fault addr fefdc000 [fault reason 05] PTE Write access is not set
[  245.018348] DMAR: DRHD: handling fault status reg 2
[  245.018355] DMAR: [DMA Write] Request device [00:02.0] fault addr fefdc000 [fault reason 05] PTE Write access is not set