Chrome crash on 4.18.1

[Michel Dänzer]

On 2018-08-18 12:39 AM, Bráulio Bhavamitra wrote:
> Chrome freezed and had to be killed, error on dmesg below.
> 
> [...]
> 
> [ 5898.208262] ------------[ cut here ]------------
> [ 5898.208272] kernel BUG at drivers/dma-buf/reservation.c:234!
> [ 5898.208305] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
> [ 5898.208314] CPU: 6 PID: 2988 Comm: chromium Tainted: G         C O
> 4.18.1-arch1-1-ARCH #1
> [ 5898.208317] Hardware name: HP HP ENVY x360 Convertible 15m-bq1xx/83C6,
> BIOS F.17 03/29/2018
> [ 5898.208334] RIP: 0010:reservation_object_add_shared_fence+0x31b/0x370
> [ 5898.208336] Code: ff 4c 89 7d 18 c7 45 10 01 00 00 00 e9 e2 fd ff ff e8
> 46 8c a8 ff e9 0c fe ff ff b8 18 00 00 00 ba 01 00 00 00 e9 c0 fd ff ff
> <0f> 0b 8d 50 01 48 8d 04 c5 18 00 00 00 48 01 d8 45 31 f6 4c 89 38
> [ 5898.208373] RSP: 0018:ffffa1b1ca9abb38 EFLAGS: 00010246
> [ 5898.208377] RAX: 0000000000000004 RBX: ffff9236f1c71580 RCX:
> 0000000000000001
> [ 5898.208380] RDX: 0000000000000001 RSI: ffff92371223da60 RDI:
> ffff9236b196ba18
> [ 5898.208382] RBP: 0000000000000000 R08: ffff9236bc7c3c80 R09:
> ffff92374aba2378
> [ 5898.208385] R10: ffff9237374cded8 R11: ffff9237374cdec8 R12:
> ffff9236b196ba18
> [ 5898.208387] R13: ffff9236b1ac0130 R14: ffff9236bfe3c000 R15:
> ffff92371223da60
> [ 5898.208390] FS:  00007fffe08c2180(0000) GS:ffff92374ab80000(0000)
> knlGS:0000000000000000
> [ 5898.208393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 5898.208395] CR2: 0000265eadacf000 CR3: 00000004794e4000 CR4:
> 00000000003406e0
> [ 5898.208398] Call Trace:
> [ 5898.208519]  amdgpu_vm_update_directories+0x2a8/0x3e0 [amdgpu]

This should be fixed with the changes merged by Linus for the 4.19
release. The relevant fixes were marked for backporting to stable, so
they should appear in future 4.18.y releases as well.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer