[Intel-gfx] regression on fedora 5.12 on Lenovo T400

[Dave Airlie]

https://bugzilla.redhat.com/show_bug.cgi?id=1964252

dmesg below.
Feel free to point me at any fixes already in flight.

Dave.

[  140.302041] list_add double add: new=ffff9ed109790fe0,
prev=ffff9ed109790fe0, next=ffff9ed109465b38.
[  140.302076] ------------[ cut here ]------------
[  140.302078] kernel BUG at lib/list_debug.c:29!
[  140.302091] invalid opcode: 0000 [#1] SMP PTI
[  140.302097] CPU: 1 PID: 1712 Comm: Xorg Kdump: loaded Tainted: G
      I       5.12.5-300.fc34.x86_64 #1
[  140.302103] Hardware name: LENOVO 6475H82/6475H82, BIOS 7UET91WW
(3.21 ) 12/06/2010
[  140.302106] RIP: 0010:__list_add_valid.cold+0x26/0x3f
[  140.302117] Code: ee c1 a6 ff 4c 89 c1 48 c7 c7 f8 4d 41 9b e8 12
2c fe ff 0f 0b 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 a8 4e 41 9b e8 fb
2b fe ff <0f> 0b 48 89 d1 4c 89 c6 4c 89 ca 48 c7 c7 50 4e 41 9b e8 e4
2b fe
[  140.302122] RSP: 0018:ffffad63c0cbfcf8 EFLAGS: 00010082
[  140.302127] RAX: 0000000000000058 RBX: ffff9ed109790d00 RCX: 0000000000000000
[  140.302131] RDX: ffff9ed137ca6720 RSI: ffff9ed137c985c0 RDI: ffff9ed137c985c0
[  140.302135] RBP: ffff9ed109465b38 R08: 0000000000000000 R09: ffffad63c0cbfb30
[  140.302139] R10: ffffad63c0cbfb28 R11: ffffffff9bb45f28 R12: ffff9ed109460000
[  140.302142] R13: 0000000000000246 R14: ffff9ed109465b20 R15: ffff9ed109790fe0
[  140.302146] FS:  00007f0edf882a80(0000) GS:ffff9ed137c80000(0000)
knlGS:0000000000000000
[  140.302151] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  140.302155] CR2: 00007f0ed7ba2001 CR3: 000000011ff34000 CR4: 00000000000406e0
[  140.302159] Call Trace:
[  140.302166]  __i915_gem_object_make_shrinkable+0xa5/0xe0 [i915]
[  140.302330]  i915_gem_object_set_tiling+0x4fe/0x530 [i915]
[  140.302473]  i915_gem_set_tiling_ioctl+0x112/0x250 [i915]
[  140.302613]  ? i915_gem_object_set_tiling+0x530/0x530 [i915]
[  140.302755]  drm_ioctl_kernel+0x86/0xd0 [drm]
[  140.302819]  drm_ioctl+0x20f/0x3c0 [drm]
[  140.302870]  ? i915_gem_object_set_tiling+0x530/0x530 [i915]
[  140.303013]  __x64_sys_ioctl+0x82/0xb0
[  140.303020]  do_syscall_64+0x33/0x40
[  140.303026]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[  140.303033] RIP: 0033:0x7f0ee01070ab
[  140.303038] Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d
4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00
00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 95 bd 0c 00 f7 d8 64 89
01 48
[  140.303043] RSP: 002b:00007ffc7bf48ff8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[  140.303048] RAX: ffffffffffffffda RBX: 000055c6591c78d0 RCX: 00007f0ee01070ab
[  140.303052] RDX: 00007ffc7bf49010 RSI: 00000000c0106461 RDI: 0000000000000011
[  140.303056] RBP: 00007ffc7bf49060 R08: 000055c6583b39e0 R09: 0000000000000000
[  140.303059] R10: 00007f0ee01d3a00 R11: 0000000000000246 R12: 0000000000000000
[  140.303063] R13: 000055c6583b38c0 R14: 00000000c0106461 R15: 00007ffc7bf49010
[  140.303069] Modules linked in: xt_CHECKSUM xt_MASQUERADE
xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc
nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet
nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4
nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat
ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat
nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw
iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables
iptable_filter sunrpc coretemp kvm_intel iTCO_wdt kvm intel_pmc_bxt
mei_wdt iTCO_vendor_support snd_hda_codec_conexant
snd_hda_codec_generic snd_hda_intel snd_intel_dspcfg
snd_intel_sdw_acpi irqbypass snd_hda_codec joydev snd_hda_core
snd_hwdep pcspkr wmi_bmof snd_seq i2c_i801 i2c_smbus thinkpad_acpi
snd_seq_device snd_pcm platform_profile snd_timer ledtrig_audio snd
rfkill soundcore mei_me mei lpc_ich zram ip_tables i915 i2c_algo_bit
drm_kms_helper cec e1000e
[  140.303171]  firewire_ohci serio_raw firewire_core drm yenta_socket
crc_itu_t wmi video fuse