Comment # 3
on bug 93452
from polo
Or I have another bug and that was just coincidence. I found something in journal: Jun 08 19:47:15 polo kernel: [drm] probing gen 2 caps for device 8086:9c18 = 5323c42/0 Jun 08 19:47:15 polo kernel: [drm] PCIE gen 2 link speeds already enabled Jun 08 19:47:15 polo kernel: [drm] PCIE GART of 1024M enabled (table at 0x0000000000277000). Jun 08 19:47:15 polo kernel: radeon 0000:03:00.0: WB enabled Jun 08 19:47:15 polo kernel: radeon 0000:03:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0 Jun 08 19:47:15 polo kernel: radeon 0000:03:00.0: fence driver on ring 1 use gpu addr 0x0000000040000c04 and cpu addr 0 Jun 08 19:47:15 polo kernel: radeon 0000:03:00.0: fence driver on ring 2 use gpu addr 0x0000000040000c08 and cpu addr 0 Jun 08 19:47:15 polo kernel: radeon 0000:03:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0 Jun 08 19:47:15 polo kernel: radeon 0000:03:00.0: fence driver on ring 4 use gpu addr 0x0000000040000c10 and cpu addr 0 Jun 08 19:47:15 polo kernel: radeon 0000:03:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0 Jun 08 19:47:15 polo kernel: [drm] ring test on 0 succeeded in 1 usecs Jun 08 19:47:15 polo kernel: [drm] ring test on 1 succeeded in 1 usecs Jun 08 19:47:15 polo kernel: [drm] ring test on 2 succeeded in 1 usecs Jun 08 19:47:15 polo kernel: [drm] ring test on 3 succeeded in 4 usecs Jun 08 19:47:15 polo kernel: [drm] ring test on 4 succeeded in 4 usecs Jun 08 19:47:15 polo kernel: [drm] ring test on 5 succeeded in 2 usecs Jun 08 19:47:15 polo kernel: [drm] UVD initialized successfully. Jun 08 19:47:15 polo kernel: [drm] ib test on ring 0 succeeded in 0 usecs Jun 08 19:47:15 polo kernel: [drm] ib test on ring 1 succeeded in 0 usecs Jun 08 19:47:15 polo kernel: [drm] ib test on ring 2 succeeded in 0 usecs Jun 08 19:47:15 polo kernel: [drm] ib test on ring 3 succeeded in 0 usecs Jun 08 19:47:15 polo kernel: [drm] ib test on ring 4 succeeded in 0 usecs Jun 08 19:47:16 polo kernel: [drm] ib test on ring 5 succeeded Jun 08 19:47:16 polo kernel: snd_hda_intel 0000:03:00.1: Enabling via VGA-switcheroo Jun 08 19:47:16 polo kernel: snd_hda_intel 0000:03:00.1: irq 48 for MSI/MSI-X Jun 08 19:47:26 polo dbus-daemon[903]: Activating service name='org.freedesktop.Notifications' Jun 08 19:47:26 polo dbus-daemon[903]: Successfully activated service 'org.freedesktop.Notifications' Jun 08 19:47:45 polo smbd[446]: [2016/06/08 19:47:45.168825, 0] ../source3/printing/print_standard.c:69(std_pcap_cache Jun 08 19:47:45 polo smbd[446]: Unable to open printcap file /etc/printcap for read! Jun 08 19:47:57 polo kernel: general protection fault: 0000 [#1] PREEMPT SMP Jun 08 19:47:57 polo kernel: Modules linked in: btrfs xor raid6_pq ufs hfsplus hfs minix ntfs vfat msdos fat jfs xfs li Jun 08 19:47:57 polo kernel: pps_core i915 snd_hda_codec_hdmi mei_me mei snd_hda_intel drm_kms_helper snd_hda_controll Jun 08 19:47:57 polo kernel: CPU: 3 PID: 52 Comm: kworker/3:1 Not tainted 3.18.34-1-lts318 #1 Jun 08 19:47:57 polo kernel: Hardware name: Hewlett-Packard HP ZBook 14/198F, BIOS L71 Ver. 01.36 04/25/2016 Jun 08 19:47:57 polo kernel: Workqueue: events ttm_bo_delayed_workqueue [ttm] Jun 08 19:47:57 polo kernel: task: ffff88024332da90 ti: ffff8802423b0000 task.ti: ffff8802423b0000 Jun 08 19:47:57 polo kernel: RIP: 0010:[<ffffffffa055b0e8>] [<ffffffffa055b0e8>] ttm_bo_wait+0x38/0x1a0 [ttm] Jun 08 19:47:57 polo kernel: RSP: 0018:ffff8802423b3cf8 EFLAGS: 00010206 Jun 08 19:47:57 polo kernel: RAX: ffff88009697e6f0 RBX: 5557565c00002000 RCX: 0000000000000001 Jun 08 19:47:57 polo kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880224450858 Jun 08 19:47:57 polo kernel: RBP: ffff8802423b3d48 R08: ffff88024ead2700 R09: 0000000000000001 Jun 08 19:47:57 polo kernel: R10: 00000000f7757bf0 R11: 0000000000000013 R12: 0000000000000000 Jun 08 19:47:57 polo kernel: R13: 0000000000000001 R14: 0000000000000001 R15: 5555555500000001 Jun 08 19:47:57 polo kernel: FS: 0000000000000000(0000) GS:ffff88024eac0000(0000) knlGS:0000000000000000 Jun 08 19:47:57 polo kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 08 19:47:57 polo kernel: CR2: 00002e26fee94000 CR3: 0000000001811000 CR4: 00000000001407e0 Jun 08 19:47:57 polo kernel: Stack: Jun 08 19:47:57 polo kernel: 0000000000000000 ffff880224450858 ffff88009697e6f0 ffff880243200f58 Jun 08 19:47:57 polo kernel: ffff8802423b3e38 ffff880224450858 ffff880241df59c0 0000000000000000 Jun 08 19:47:57 polo kernel: 0000000000000001 ffff880224450858 ffff8802423b3d88 ffffffffa055b8ee Jun 08 19:47:57 polo kernel: Call Trace: Jun 08 19:47:57 polo kernel: [<ffffffffa055b8ee>] ttm_bo_cleanup_refs_and_unlock+0x2e/0x200 [ttm] Jun 08 19:47:57 polo kernel: [<ffffffffa055bb4d>] ttm_bo_delayed_delete+0x8d/0x240 [ttm] Jun 08 19:47:57 polo kernel: [<ffffffffa055bd1f>] ttm_bo_delayed_workqueue+0x1f/0x50 [ttm] Jun 08 19:47:57 polo kernel: [<ffffffff8108c88d>] process_one_work+0x14d/0x4b0 Jun 08 19:47:57 polo kernel: [<ffffffff8108cf68>] worker_thread+0x48/0x4b0 Jun 08 19:47:57 polo kernel: [<ffffffff8108cf20>] ? init_pwq.part.7+0x10/0x10 Jun 08 19:47:57 polo kernel: [<ffffffff810921a8>] kthread+0xd8/0xf0 Jun 08 19:47:57 polo kernel: [<ffffffff810920d0>] ? kthread_worker_fn+0x170/0x170 Jun 08 19:47:57 polo kernel: [<ffffffff81560f18>] ret_from_fork+0x58/0x90 Jun 08 19:47:57 polo kernel: [<ffffffff810920d0>] ? kthread_worker_fn+0x170/0x170 Jun 08 19:47:57 polo kernel: Code: 41 55 41 54 41 89 d4 53 41 89 cd 48 83 ec 28 48 8b 87 80 01 00 00 48 89 7d b8 48 8b Jun 08 19:47:57 polo kernel: RIP [<ffffffffa055b0e8>] ttm_bo_wait+0x38/0x1a0 [ttm] Jun 08 19:47:57 polo kernel: RSP <ffff8802423b3cf8> Jun 08 19:47:57 polo kernel: ---[ end trace 075d4025b07533d5 ]--- Jun 08 19:47:57 polo kernel: note: kworker/3:1[52] exited with preempt_count 1 Jun 08 19:47:57 polo kernel: BUG: unable to handle kernel paging request at ffffffffffffffd8 Jun 08 19:47:57 polo kernel: IP: [<ffffffff810926e0>] kthread_data+0x10/0x20
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