https://bugzilla.kernel.org/show_bug.cgi?id=73931 Mateusz Lenik (mlen@xxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mlen@xxxxxxx --- Comment #11 from Mateusz Lenik (mlen@xxxxxxx) --- Same issue for amdgpu after unbind (not sure if this should be a separate bug): rook ~ ➤ ls -l /sys/class/hwmon/hwmon1/device lrwxrwxrwx 1 root root 0 cze 8 12:32 /sys/class/hwmon/hwmon1/device -> ../../../0000:03:00.0 rook ~ ➤ cat /sys/class/hwmon/hwmon1/fan1_input [1] 9145 killed cat /sys/class/hwmon/hwmon1/fan1_input Reading fan1_input causes an OOPS: [ 590.507564] BUG: unable to handle kernel NULL pointer dereference at 00000000000000b8 [ 590.507584] IP: amdgpu_hwmon_get_fan1_input+0x33/0x84 [ 590.507587] PGD 0 P4D 0 [ 590.507593] Oops: 0000 [#4] PREEMPT SMP PTI [ 590.507597] Modules linked in: [ 590.507610] CPU: 39 PID: 9222 Comm: cat Tainted: G D 4.16.14-gentoo #3 [ 590.507613] Hardware name: ASUSTeK COMPUTER INC. Z10PE-D16 WS/Z10PE-D16 WS, BIOS 3407 03/10/2017 [ 590.507617] RIP: 0010:amdgpu_hwmon_get_fan1_input+0x33/0x84 [ 590.507620] RSP: 0018:ffff97790d2dfd68 EFLAGS: 00010246 [ 590.507624] RAX: 0000000000000000 RBX: ffff9147b5cd3000 RCX: ffff9137b5428ac8 [ 590.507627] RDX: ffff9137b5aa0000 RSI: ffffffffbbb3e1c0 RDI: ffff9137b55f7008 [ 590.507630] RBP: fffffffffffffffb R08: 0000000000000001 R09: 0000000000000000 [ 590.507633] R10: ffff9137af38d400 R11: 0000000000000000 R12: ffffffffbb30d000 [ 590.507636] R13: ffff9147b590d400 R14: ffff91476a16db00 R15: 0000000000000001 [ 590.507639] FS: 00007f3838cbe540(0000) GS:ffff9147bf400000(0000) knlGS:0000000000000000 [ 590.507641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 590.507643] CR2: 00000000000000b8 CR3: 0000002023776005 CR4: 00000000003606e0 [ 590.507645] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 590.507647] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 590.507649] Call Trace: [ 590.507660] dev_attr_show+0x23/0x44 [ 590.507668] sysfs_kf_seq_show+0x7f/0xce [ 590.507676] seq_read+0x1c1/0x3d1 [ 590.507687] __vfs_read+0x33/0xcc [ 590.507693] vfs_read+0x9a/0xcf [ 590.507696] SyS_read+0x5f/0xa3 [ 590.507703] do_syscall_64+0x79/0x88 [ 590.507711] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 590.507715] RIP: 0033:0x7f38387f8b75 [ 590.507718] RSP: 002b:00007ffff2570970 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 590.507721] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f38387f8b75 [ 590.507723] RDX: 0000000000020000 RSI: 00007f3838cd0000 RDI: 0000000000000003 [ 590.507725] RBP: 0000000000020000 R08: 00000000ffffffff R09: 0000000000000000 [ 590.507727] R10: 000000000000039b R11: 0000000000000246 R12: 00007f3838cd0000 [ 590.507729] R13: 0000000000000003 R14: 00007f3838cd000f R15: 0000000000020000 [ 590.507738] Code: d3 48 83 ec 10 48 8b 97 18 01 00 00 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 31 c0 c7 44 24 04 00 00 00 00 48 8b 82 08 49 00 00 <48> 8b 80 b8 00 00 00 48 85 c0 74 15 48 8b ba f8 48 00 00 48 8d [ 590.507821] RIP: amdgpu_hwmon_get_fan1_input+0x33/0x84 RSP: ffff97790d2dfd68 [ 590.507824] CR2: 00000000000000b8 [ 590.507830] ---[ end trace eaed7563e433ab4e ]--- -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
