On Fri, Jan 4, 2019 at 9:52 AM Mikhail Gavrilov
<mikhail.v.gavri...@gmail.com> wrote:
>
> Hi folks I found that kernel 4.21 unworkable with AMD hardware.
> Also I am make kernel bisect and founded the blame commit.
> First bad commit: [674e78acae0dfb4beb56132e41cbae5b60f7d662]
> drm/amd/display: Add fast path for cursor plane updates

IIRC, the issue only shows up with newer versions of the ddx.  Should
be fixed with this patch:
https://cgit.freedesktop.org/drm/drm/commit/?id=77acd1cd912987ffd62dad6a09275a1fb406f0c2

Alex

>
>
> [   41.841318] ------------[ cut here ]------------
> [   41.841320] kernel BUG at lib/list_debug.c:53!
> [   41.841324] invalid opcode: 0000 [#1] SMP NOPTI
> [   41.841328] CPU: 12 PID: 2149 Comm: gnome-shell Tainted: G
> C        4.20.0-rc3-bisect-674e78acae0dfb4beb56132e41cbae5b60f7d662+
> #14
> [   41.841330] Hardware name: System manufacturer System Product
> Name/ROG STRIX X470-I GAMING, BIOS 1103 11/16/2018
> [   41.841335] RIP: 0010:__list_del_entry_valid.cold.1+0x34/0x47
> [   41.841337] Code: 1d 11 be e8 39 cf c8 ff 0f 0b 48 c7 c7 f0 1d 11
> be e8 2b cf c8 ff 0f 0b 48 89 f2 48 89 fe 48 c7 c7 b0 1d 11 be e8 17
> cf c8 ff <0f> 0b 48 89 fe 48 c7 c7 78 1d 11 be e8 06 cf c8 ff 0f 0b 48
> 89 d1
> [   41.841339] RSP: 0018:ffffad8a43b67aa8 EFLAGS: 00010246
> [   41.841342] RAX: 0000000000000054 RBX: ffff8f992aea0850 RCX: 
> 0000000000000000
> [   41.841343] RDX: 0000000000000000 RSI: ffff8f993eb168c8 RDI: 
> ffff8f993eb168c8
> [   41.841345] RBP: ffff8f992aea08f8 R08: 0000000000000005 R09: 
> 0000000000000007
> [   41.841346] R10: 0000000000000000 R11: ffffffffbe97b18d R12: 
> ffff8f992aea0800
> [   41.841348] R13: ffff8f9927b0cfc0 R14: ffff8f992aea0850 R15: 
> 0000000000000000
> [   41.841350] FS:  00007f2760663d00(0000) GS:ffff8f993eb00000(0000)
> knlGS:0000000000000000
> [   41.841351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [   41.841353] CR2: 00007f26f45f7000 CR3: 00000007daafa000 CR4: 
> 00000000003406e0
> [   41.841354] Call Trace:
> [   41.841363]  ttm_bo_del_from_lru+0x73/0xb0 [ttm]
> [   41.841369]  ttm_bo_del_sub_from_lru+0x22/0x30 [ttm]
> [   41.841444]  dm_plane_helper_prepare_fb+0x8e/0x2f0 [amdgpu]
> [   41.841454]  drm_atomic_helper_prepare_planes+0x4f/0xd0 [drm_kms_helper]
> [   41.841462]  drm_atomic_helper_commit+0x1c/0x110 [drm_kms_helper]
> [   41.841470]  drm_atomic_helper_update_plane+0xf0/0x110 [drm_kms_helper]
> [   41.841486]  drm_mode_cursor_universal+0x128/0x240 [drm]
> [   41.841501]  drm_mode_cursor_common+0x190/0x200 [drm]
> [   41.841516]  ? drm_mode_cursor_ioctl+0x70/0x70 [drm]
> [   41.841528]  drm_ioctl_kernel+0xa9/0xf0 [drm]
> [   41.841542]  drm_ioctl+0x1f6/0x370 [drm]
> [   41.841556]  ? drm_mode_cursor_ioctl+0x70/0x70 [drm]
> [   41.841560]  ? __handle_mm_fault+0xfc1/0x1590
> [   41.841612]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]
> [   41.841617]  do_vfs_ioctl+0xa4/0x630
> [   41.841620]  ksys_ioctl+0x60/0x90
> [   41.841623]  __x64_sys_ioctl+0x16/0x20
> [   41.841626]  do_syscall_64+0x5b/0x160
> [   41.841630]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [   41.841633] RIP: 0033:0x7f27641bd2fb
> [   41.841635] Code: 0f 1e fa 48 8b 05 8d 9b 0c 00 64 c7 00 26 00 00
> 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 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 5d 9b 0c 00 f7 d8 64 89
> 01 48
> [   41.841637] RSP: 002b:00007ffc4eeac468 EFLAGS: 00000246 ORIG_RAX:
> 0000000000000010
> [   41.841639] RAX: ffffffffffffffda RBX: 000055624f2e6520 RCX: 
> 00007f27641bd2fb
> [   41.841640] RDX: 00007ffc4eeac4a0 RSI: 00000000c02464bb RDI: 
> 000000000000000a
> [   41.841642] RBP: 00007ffc4eeac4a0 R08: 0000000000000080 R09: 
> 0000000000000006
> [   41.841643] R10: 0000000000000001 R11: 0000000000000246 R12: 
> 00000000c02464bb
> [   41.841644] R13: 000000000000000a R14: 000055624f2b65c0 R15: 
> 000000000000000a
> [   41.841646] Modules linked in: nls_utf8 isofs fuse rfcomm
> xt_CHECKSUM ipt_MASQUERADE tun bridge stp llc devlink
> nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_rpfilter
> ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ip6table_nat
> nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat
> nf_nat_ipv4 nf_nat iptable_mangle iptable_raw iptable_security
> nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink
> ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep sunrpc
> xfs vfat fat libcrc32c arc4 edac_mce_amd r8822be(C) kvm_amd kvm
> irqbypass mac80211 snd_hda_codec_realtek snd_hda_codec_generic
> snd_hda_codec_hdmi snd_usb_audio snd_hda_intel btusb btrtl
> snd_hda_codec btbcm btintel snd_hda_core bluetooth snd_usbmidi_lib
> cfg80211 snd_rawmidi snd_hwdep snd_seq crct10dif_pclmul snd_seq_device
> snd_pcm crc32_pclmul ghash_clmulni_intel eeepc_wmi asus_wmi
> sparse_keymap snd_timer joydev video snd wmi_bmof k10temp sp5100_tco
> pcspkr i2c_piix4 ecdh_generic ccp soundcore
> [   41.841677]  rfkill gpio_amdpt gpio_generic pcc_cpufreq
> acpi_cpufreq binfmt_misc uas usb_storage amdgpu chash amd_iommu_v2
> hid_logitech_hidpp gpu_sched ttm drm_kms_helper drm igb
> hid_logitech_dj dca crc32c_intel nvme i2c_algo_bit nvme_core wmi
> pinctrl_amd hid_sony ff_memless
> [   41.841690] ---[ end trace 1a4efe8e8abb5ae5 ]---
>
>
>
>
> $ git bisect log
> git bisect start
> # good: [8fe28cb58bcb235034b64cbbb7550a8a43fd88be] Linux 4.20
> git bisect good 8fe28cb58bcb235034b64cbbb7550a8a43fd88be
> # bad: [a5f2bd479f58f171a16a9a4f3b4e748ab3057c0f] Merge branch
> 'parisc-4.21-1' of
> git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
> git bisect bad a5f2bd479f58f171a16a9a4f3b4e748ab3057c0f
> # bad: [eaa76499711535fd64d747cc4ef0d78ab0fd41c6] Merge tag
> 'mtd/for-4.21' of git://git.infradead.org/linux-mtd
> git bisect bad eaa76499711535fd64d747cc4ef0d78ab0fd41c6
> # good: [0e39037b3165567660b0e03f67534da5269a0465] drm/i915: Cache the
> error string
> git bisect good 0e39037b3165567660b0e03f67534da5269a0465
> # good: [86b442d74c333936a3085354d8c8d73ab21863ad]
> drm/nouveau/fifo/gk104-: return channel instance in ctor args
> git bisect good 86b442d74c333936a3085354d8c8d73ab21863ad
> # bad: [d675ba4b9e6ccd782e4db9109cbab708a85b8ff8] Merge tag
> 'drm-msm-next-2018-12-12' of
> git://people.freedesktop.org/~robclark/linux into drm-next
> git bisect bad d675ba4b9e6ccd782e4db9109cbab708a85b8ff8
> # bad: [02c4fb0210dc2773e0d7f0a5a1b866986f8edc40] Merge branch
> 'linux-4.21' of git://github.com/skeggsb/linux into drm-next
> git bisect bad 02c4fb0210dc2773e0d7f0a5a1b866986f8edc40
> # bad: [e7df065a697783ecb5c6eaa5692d78dcfceb71dd] Merge branch
> 'drm-next-4.21' of git://people.freedesktop.org/~agd5f/linux into
> drm-next
> git bisect bad e7df065a697783ecb5c6eaa5692d78dcfceb71dd
> # good: [e69aa5f9b97f7f871643336deb281db5cb14878b] Merge tag
> 'drm-misc-next-2018-12-06' of
> git://anongit.freedesktop.org/drm/drm-misc into drm-next
> git bisect good e69aa5f9b97f7f871643336deb281db5cb14878b
> # good: [1db8c142b6c557a951e8f9866b98953fe91cbdd6] drm/scheduler: Add
> drm_sched_suspend/resume_timeout()
> git bisect good 1db8c142b6c557a951e8f9866b98953fe91cbdd6
> # good: [3704d56e1a64bb0e951815f91149ae7bb726aa76] drm/amdkfd: Add
> NULL-pointer check
> git bisect good 3704d56e1a64bb0e951815f91149ae7bb726aa76
> # good: [2e431a1788c52d510bb24229cef93ba935f5785b] drm/amdgpu: remove
> set but not used variable 'grbm_soft_reset'
> git bisect good 2e431a1788c52d510bb24229cef93ba935f5785b
> # good: [65276f2bebea047338196a584291c6c8ccd7ea13] drm/amd/display:
> Fix unintialized max_bpc state values
> git bisect good 65276f2bebea047338196a584291c6c8ccd7ea13
> # good: [fc42d47ce0118e2f59a67ac0b0da56f9dc454bd9] drm/amdgpu: Enable
> GPU recovery by default for CI
> git bisect good fc42d47ce0118e2f59a67ac0b0da56f9dc454bd9
> # bad: [674e78acae0dfb4beb56132e41cbae5b60f7d662] drm/amd/display: Add
> fast path for cursor plane updates
> git bisect bad 674e78acae0dfb4beb56132e41cbae5b60f7d662
> # first bad commit: [674e78acae0dfb4beb56132e41cbae5b60f7d662]
> drm/amd/display: Add fast path for cursor plane updates
>
>
> --
> Best Regards,
> Mike Gavrilov.
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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