On Mon, Jul 6, 2015 at 6:07 PM, Vadim Girlin <vadimgirlin@xxxxxxxxx> wrote: > On 07/06/2015 11:56 PM, Alex Deucher wrote: >> >> On Mon, Jul 6, 2015 at 3:19 PM, Dave Jones <davej@xxxxxxxxxxxxxxxxx> >> wrote: >>> >>> I wanted to switch my LCD to a different machine momentarily. >>> When I plugged the cable back in, this was on the screen.. >> >> >> Is this readily reproducible? Did it happen with 4.1? If it also >> happens with 4.1 does reverting >> 39fa10f7e21574a70cecf1fed0f9b36535aa68a0 help? If it doesn't happen >> with 4.1, can you bisect? > > > That issue is reproducible for me with the changes after 4.1, but 4.1 is > stable for me, I'm using it right now for that reason, radeon is pretty much > broken for me after 4.1, doesn't resume etc (CIK/hawaii gpu). > > I'll test it with that patch reverted. Please let me know what additional > info do you need, dmesg etc... That patch was in 4.1 so I suspect it's something else. It would be great if you could bisect. Alex > >> >> Alex >> >>> >>> WARNING: CPU: 1 PID: 209 at kernel/locking/mutex.c:526 >>> __mutex_lock_slowpath+0x322/0x340() >>> DEBUG_LOCKS_WARN_ON(l->magic != l) >>> CPU: 1 PID: 209 Comm: kworker/1:3 Not tainted 4.2.0-rc1-gelk-debug+ #1 >>> Workqueue: events radeon_hotplug_work_func [radeon] >>> 0000000000000009 ffff8800b160bc78 ffffffff9969fad4 0000000080000001 >>> ffff8800b160bcc8 ffff8800b160bcb8 ffffffff9907689a 00000000000086be >>> ffff8800a24182b8 ffff8800a24182c0 ffff8800b086adc0 ffff8800a24182b8 >>> Call Trace: >>> [<ffffffff9969fad4>] dump_stack+0x4f/0x7b >>> [<ffffffff9907689a>] warn_slowpath_common+0x8a/0xc0 >>> [<ffffffff99076916>] warn_slowpath_fmt+0x46/0x50 >>> [<ffffffff996a54f2>] __mutex_lock_slowpath+0x322/0x340 >>> [<ffffffff996a553c>] mutex_lock+0x2c/0x40 >>> [<ffffffffc02895e6>] radeon_hotplug_work_func+0x26/0x80 [radeon] >>> [<ffffffff9908eba7>] process_one_work+0x147/0x420 >>> [<ffffffff9908f209>] worker_thread+0x69/0x470 >>> [<ffffffff990a02b3>] ? preempt_count_sub+0xa3/0xf0 >>> [<ffffffff9908f1a0>] ? rescuer_thread+0x320/0x320 >>> [<ffffffff990941e7>] kthread+0x107/0x120 >>> [<ffffffff990940e0>] ? kthread_create_on_node+0x1b0/0x1b0 >>> [<ffffffff996a7b1f>] ret_from_fork+0x3f/0x70 >>> [<ffffffff990940e0>] ? kthread_create_on_node+0x1b0/0x1b0 >>> ---[ end trace 859b3faf9cb20dd3 ]--- >>> Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC >>> CPU: 1 PID: 209 Comm: kworker/1:3 Tainted: G W >>> 4.2.0-rc1-gelk-debug+ #1 >>> Workqueue: events radeon_hotplug_work_func [radeon] >>> task: ffff8800b086adc0 ti: ffff8800b1608000 task.ti: ffff8800b1608000 >>> RIP: 0010:[<ffffffff9932ffef>] [<ffffffff9932ffef>] __list_add+0x1f/0xc0 >>> RSP: 0018:ffff8800b160bcf8 EFLAGS: 00010046 >>> RAX: ffff8800a24182d8 RBX: ffff8800b160bd38 RCX: 0000000000000000 >>> RDX: ffff8800a24182d8 RSI: 0000000000000000 RDI: ffff8800b160bd38 >>> RBP: ffff8800b160bd18 R08: 0000000000000000 R09: 0000000000000fcb >>> R10: 0000000000000353 R11: 00000000ffffffff R12: ffff8800a24182d8 >>> R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000246 >>> FS: 0000000000000000(0000) GS:ffff8800bf700000(0000) >>> knlGS:0000000000000000 >>> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b >>> CR2: 0000000000000000 CR3: 00000000a25d3000 CR4: 00000000000007e0 >>> Stack: >>> ffff8800b160bd18 ffff8800a24182b8 ffff8800a24182c0 ffff8800b086adc0 >>> ffff8800b160bd88 ffffffff996a5291 ffff8800b160bd58 ffff8800a24182d8 >>> ffff8800b160bd38 ffff8800b160bd38 1111111111111111 ffff8800b160bd38 >>> Call Trace: >>> [<ffffffff996a5291>] __mutex_lock_slowpath+0xc1/0x340 >>> [<ffffffff996a553c>] mutex_lock+0x2c/0x40 >>> [<ffffffffc02895e6>] radeon_hotplug_work_func+0x26/0x80 [radeon] >>> [<ffffffff9908eba7>] process_one_work+0x147/0x420 >>> [<ffffffff9908f209>] worker_thread+0x69/0x470 >>> [<ffffffff990a02b3>] ? preempt_count_sub+0xa3/0xf0 >>> [<ffffffff9908f1a0>] ? rescuer_thread+0x320/0x320 >>> [<ffffffff990941e7>] kthread+0x107/0x120 >>> [<ffffffff990940e0>] ? kthread_create_on_node+0x1b0/0x1b0 >>> [<ffffffff996a7b1f>] ret_from_fork+0x3f/0x70 >>> [<ffffffff990940e0>] ? kthread_create_on_node+0x1b0/0x1b0 >>> Code: c3 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 55 49 89 f5 41 >>> 54 49 89 d4 53 48 89 fb 48 83 ec 08 4c 8b 42 08 49 39 f0 75 2e <4d> 8b 45 00 >>> 4d 39 c4 75 4e 4c 39 e3 74 6b 4c 39 eb 74 66 49 89 >>> >>> >>> radeon is an RV370. >>> >>> Dave >> >> _______________________________________________ >> dri-devel mailing list >> dri-devel@xxxxxxxxxxxxxxxxxxxxx >> http://lists.freedesktop.org/mailman/listinfo/dri-devel >> > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
