Hi penalvch, I just reproduced it with linux-image-4.9.0-040900-generic_4.9.0-040900.201612111631_amd64.deb (after removing modprobe.conf to disable sound on HDMI):
[ 772.242777] CPU: 3 PID: 6410 Comm: DOM Worker Tainted: G L 4.9.0-040900-generic #201612111631 [ 772.242780] Hardware name: Acer TravelMate 8481TG/BA41_HS, BIOS V1.16 11/28/2012 [ 772.242783] task: ffff9da79df6ab80 task.stack: ffffbe3302574000 [ 772.242855] RIP: 0010:[<ffffffffae0d13db>] [<ffffffffae0d13db>] native_queued_spin_lock_slowpath+0x17b/0x1a0 [ 772.242864] RSP: 0000:ffffbe3302577df8 EFLAGS: 00000202 [ 772.242866] RAX: 0000000000000101 RBX: 80000001663d3867 RCX: 0000000000000001 [ 772.242869] RDX: 0000000000000101 RSI: 0000000000000001 RDI: fffff55b871f8c30 [ 772.242872] RBP: ffffbe3302577df8 R08: 0000000000000101 R09: 0000000000000081 [ 772.242947] R10: ffffbe3302577e58 R11: ffff9da79df6ab80 R12: ffff9da7b787f9c0 [ 772.242949] R13: 0000000000000040 R14: fffff55b8598f4c0 R15: ffff9da7b787f9c0 [ 772.242953] FS: 00007faf6aefe700(0000) GS:ffff9da7ffac0000(0000) knlGS:0000000000000000 [ 772.242956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 772.242958] CR2: 00007faf6bb17010 CR3: 00000001f798a000 CR4: 00000000000406e0 [ 772.242960] Stack: [ 772.242963] ffffbe3302577e08 ffffffffae88d700 ffffbe3302577ec0 ffffffffae1e05a2 [ 772.243042] ffffbe3302577e90 ffffbe3302577e80 ffffbe3302577e58 fffff55b871f8c30 [ 772.243145] ffff9da787e308b8 00000000000004e9 000000000000030a ffff9da7f7012000 [ 772.243152] Call Trace: [ 772.243157] [<ffffffffae88d700>] _raw_spin_lock+0x20/0x30 [ 772.243161] [<ffffffffae1e05a2>] handle_mm_fault+0x13c2/0x15b0 [ 772.243165] [<ffffffffae06b66e>] __do_page_fault+0x23e/0x4e0 [ 772.243169] [<ffffffffae06b932>] do_page_fault+0x22/0x30 please find the full log attached (taken with netconsole - the kern.log on the affected computer is again missing the relevant entries ...). br, misko ** Attachment added: "netconsole-4.9.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1647048/+attachment/4795706/+files/netconsole-4.9.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1647048 Title: System freezes after login (NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1647048/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
