[Bug 102553] Venus PRO R9 M265X amdgpu: Kernel OOPS si_dpm_set_power_state unable to handle kernel NULL pointer dereference

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102553

--- Comment #2 from mercuriete <mercuriete at yahoo.es> ---
Still happening on


uname -a
Linux localhost.localdomain 4.14.23-gentoo #2 SMP PREEMPT Sat Mar 3 10:31:54
CET 2018 x86_64 Intel(R) Core(TM) i7-4720HQ CPU @ 2.60GHz GenuineIntel
GNU/Linux


*******************

[   58.536983] BUG: unable to handle kernel NULL pointer dereference at        
  (null)
[   58.536992] IP:           (null)
[   58.536994] PGD 0 P4D 0 
[   58.536999] Oops: 0010 [#1] PREEMPT SMP PTI
[   58.537001] Modules linked in:
[   58.537006] CPU: 7 PID: 4177 Comm: laptop_mode Not tainted 4.14.23-gentoo #2
[   58.537008] Hardware name: TOSHIBA SATELLITE P50-B-11M/VG20SQ, BIOS 1.50
12/09/2014
[   58.537010] task: ffff880417fab280 task.stack: ffffc90002d48000
[   58.537012] RIP: 0010:          (null)
[   58.537014] RSP: 0018:ffffc90002d4bd08 EFLAGS: 00010293
[   58.537017] RAX: ffffffff822b2f60 RBX: ffff88041c00b984 RCX:
0000000000000001
[   58.537019] RDX: 0000000080000001 RSI: 0000000000000007 RDI:
ffff88041c7b0000
[   58.537022] RBP: ffff88041c008000 R08: 0000000000020000 R09:
0000000000018c04
[   58.537023] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88041c7b0000
[   58.537025] R13: ffff88041c008000 R14: 0000000000000003 R15:
ffff88041c009988
[   58.537028] FS:  00007f08348f1040(0000) GS:ffff88042fbc0000(0000)
knlGS:0000000000000000
[   58.537030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.537032] CR2: 0000000000000000 CR3: 00000003d4d92005 CR4:
00000000001606e0
[   58.537034] Call Trace:
[   58.537043]  ? si_dpm_set_power_state+0xca1/0x12c0
[   58.537048]  ? amdgpu_pm_compute_clocks+0x2a4/0x560
[   58.537051]  ? amdgpu_set_dpm_state+0x8c/0x130
[   58.537056]  ? kernfs_fop_write+0xf6/0x170
[   58.537062]  ? __vfs_write+0x2e/0x150
[   58.537065]  ? handle_mm_fault+0xce/0x1c0
[   58.537069]  ? vfs_write+0xa7/0x160
[   58.537073]  ? SyS_write+0x4d/0xc0
[   58.537077]  ? do_syscall_64+0x76/0x1c0
[   58.537082]  ? entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[   58.537085] Code:  Bad RIP value.
[   58.537092] RIP:           (null) RSP: ffffc90002d4bd08
[   58.537094] CR2: 0000000000000000
[   58.537108] ---[ end trace 8a42a5b7f8846196 ]---

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