[Bug 194731] drm general protection fault in drm_atomic_init

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=194731

--- Comment #2 from Janpieter Sollie (janpieter.sollie at dommel.be) ---
an additional post-protection fault which proves it screws up the memory
management of the kernel:
<6>[  376.340003] general protection fault: 0000 [#3] SMP
<6>[  376.340005] Modules linked in: amdkfd amdgpu(O+) amdttm(O) amdkcl(O) esp4
xfrm4_mode_tunnel ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_nat iptable_nat
nf_nat_ipv4 nf_nat l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel
pppoe pppox ppp_generic slhc deflate cmac af_key w83627ehf hwmon_vid k10temp
fam15h_power i2c_piix4 pcspkr
<6>[  376.340033] CPU: 16 PID: 10421 Comm: e2label Tainted: G      D    O   
4.10.0-rc8 #12
<6>[  376.340035] Hardware name: Supermicro H8DG6/H8DGi/H8DG6/H8DGi, BIOS 2.0a 
     01/09/2012
<6>[  376.340037] task: ffff881039be6200 task.stack: ffffc9002663c000
<6>[  376.340047] RIP: 0010:kmem_cache_alloc+0x57/0xd0
<6>[  376.340049] RSP: 0018:ffffc9002663f950 EFLAGS: 00010286
<6>[  376.340052] RAX: 0000000000000000 RBX: ffff88083bd7d000 RCX:
0000000000000574
<6>[  376.340053] RDX: 0000000000000573 RSI: 0000000001408000 RDI:
0000000000019b70
<6>[  376.340055] RBP: ffffc9002663f970 R08: ffff88183fc19b70 R09:
ffffffff81454f96
<6>[  376.340056] R10: 0000000000000001 R11: ffff88203a80d550 R12:
ff88183888cc0000
<6>[  376.340057] R13: ffff88083f803a00 R14: 0000000001408000 R15:
0000000000000005
<6>[  376.340060] FS:  00007f62cc6b2780(0000) GS:ffff88183fc00000(0000)
knlGS:0000000000000000
<6>[  376.340062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<6>[  376.340064] CR2: 00007f62cc2a8320 CR3: 0000001837444000 CR4:
00000000000406e0
<6>[  376.340065] Call Trace:
<6>[  376.340073]  scsi_execute_req_flags+0x46/0x100
<6>[  376.340076]  scsi_test_unit_ready+0x85/0x130
<6>[  376.340080]  sd_check_events+0x116/0x160
<6>[  376.340085]  disk_check_events+0x5a/0x130
<6>[  376.340088]  disk_clear_events+0x6a/0x110
<6>[  376.340092]  check_disk_change+0x32/0x70
<6>[  376.340095]  sd_open+0x69/0x130
<6>[  376.340097]  __blkdev_get+0x2ff/0x3f0
<6>[  376.340100]  blkdev_get+0x115/0x330
<6>[  376.340106]  ? _raw_spin_unlock+0x9/0x10
<6>[  376.340109]  blkdev_open+0x56/0x70
<6>[  376.340113]  do_dentry_open+0x215/0x300
<6>[  376.340115]  ? blkdev_get_by_dev+0x60/0x60
<6>[  376.340118]  vfs_open+0x4c/0x70
<6>[  376.340123]  ? may_open+0x96/0x100
<6>[  376.340127]  path_openat+0x29f/0x1350
<6>[  376.340131]  do_filp_open+0x7c/0xd0
<6>[  376.340135]  ? vma_link+0xc5/0xd0
<6>[  376.340139]  ? _raw_spin_unlock+0x9/0x10
<6>[  376.340142]  ? __alloc_fd+0xa9/0x170
<6>[  376.340145]  do_sys_open+0x121/0x200
<6>[  376.340148]  SyS_open+0x19/0x20
<6>[  376.340152]  do_syscall_64+0x63/0x180
<6>[  376.340156]  entry_SYSCALL64_slow_path+0x25/0x25
<6>[  376.340158] RIP: 0033:0x7f62cb74d760
<6>[  376.340160] RSP: 002b:00007fff591f3d58 EFLAGS: 00000246 ORIG_RAX:
0000000000000002
<6>[  376.340162] RAX: ffffffffffffffda RBX: 0000000000004000 RCX:
00007f62cb74d760
<6>[  376.340164] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
0000000001449420
<6>[  376.340165] RBP: 0000000000000000 R08: 0000000000000021 R09:
00007f62cb79a9b0
<6>[  376.340167] R10: 0000000000000130 R11: 0000000000000246 R12:
0000000001449310
<6>[  376.340168] R13: 0000000001449240 R14: 0000000000000009 R15:
0000000001449118
<6>[  376.340170] Code: 8b 45 00 65 49 8b 50 08 65 4c 03 05 24 5f ea 7e 49 83
78 10 00 4d 8b 20 74 4a 4d 85 e4 74 45 49 63 45 20 48 8d 4a 01 49 8b 7d 00 <49>
8b 1c 04 4c 89 e0 65 48 0f c7 0f 0f 94 c0 84 c0 74 c1 49 63 
<1>[  376.340210] RIP: kmem_cache_alloc+0x57/0xd0 RSP: ffffc9002663f950

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