[Bug 207383] [Regression] 5.7 amdgpu/polaris11 gpf: amdgpu_atomic_commit_tail

Tue Jul 7 12:43:29 UTC 2020

https://bugzilla.kernel.org/show_bug.cgi?id=207383

--- Comment #45 from Fabian Möller (fabianm88 at gmail.com) ---
(In reply to Christopher Snowhill from comment #43)
> What about this patch?
> 
> https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-5.
> 8&id=6eb3cf2e06d22b2b08e6b0ab48cb9c05a8e1a107

Applying 6eb3cf2e06d22b2b08e6b0ab48cb9c05a8e1a107 to v5.7.7 fixed the issue for
a RX5700/Navi10 under Wayland for me. 
It still produces the following log, which might be related to
https://bugzilla.kernel.org/show_bug.cgi?id=206349.

------------[ cut here ]------------
WARNING: CPU: 2 PID: 1176 at arch/x86/kernel/fpu/core.c:109
kernel_fpu_end+0x19/0x20
Modules linked in: fuse xt_conntrack xt_MASQUERADE nf_conntrack_netlink
nfnetlink xfrm_user xfrm_algo xt_addrtype iptable_filter iptable_nat nf_nat
nf_conntrack nf_defrag_ipv4 br_netfilter overlay wireguard curve25519_x86_64
libchacha20poly1305 chacha_x86_64 poly1305_x86_64 libblake2s blake2s_x86_64
ip6_udp_tunnel udp_tunnel libcurve25519_generic libchacha libblake2s_generic
af_packet rfkill msr amdgpu amd_iommu_v2 gpu_sched ttm drm_kms_helper drm
snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi
wmi_bmof mxm_wmi snd_hda_intel nls_iso8859_1 agpgart igb deflate nls_cp437
snd_intel_dspcfg sp5100_tco ptp mousedev vfat efi_pstore fb_sys_fops evdev fat
snd_hda_codec edac_mce_amd pstore mac_hid syscopyarea watchdog pps_core
sysfillrect edac_core snd_hda_core sysimgblt dca i2c_piix4 backlight
crc32_pclmul i2c_algo_bit ghash_clmulni_intel efivars k10temp snd_hwdep
i2c_core thermal wmi pinctrl_amd tiny_power_button button acpi_cpufreq
sch_fq_codel snd_pcm_oss
 snd_mixer_oss snd_pcm snd_timer snd soundcore atkbd libps2 serio loop
cpufreq_ondemand tun tap macvlan bridge stp llc vboxnetflt(OE) vboxnetadp(OE)
vboxdrv(OE) kvm_amd kvm irqbypass efivarfs ip_tables x_tables ipv6
nf_defrag_ipv6 crc_ccitt autofs4 xfs libcrc32c crc32c_generic dm_crypt
algif_skcipher af_alg input_leds led_class hid_generic usbhid hid ahci xhci_pci
libahci crc32c_intel xhci_hcd libata aesni_intel libaes crypto_simd nvme
usbcore cryptd scsi_mod glue_helper nvme_core t10_pi crc_t10dif
crct10dif_generic crct10dif_pclmul usb_common crct10dif_common rtc_cmos
dm_snapshot dm_bufio dm_mod
CPU: 2 PID: 1176 Comm: systemd-logind Tainted: G           OE     5.7.7
#1-NixOS
Hardware name: Gigabyte Technology Co., Ltd. X570 AORUS PRO/X570 AORUS PRO,
BIOS F10c 11/08/2019
RIP: 0010:kernel_fpu_end+0x19/0x20
Code: 90 e9 db 9b 14 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 65 8a
05 5c 1a 3e 66 84 c0 74 09 65 c6 05 50 1a 3e 66 00 c3 <0f> 0b eb f3 0f 1f 00 0f
1f 44 00 00 8b 15 cd 59 57 01 31 f6 e8 2e
RSP: 0018:ffffb9dbc1417660 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000121b
RDX: 0000000000000001 RSI: ffff90b685fa1cd4 RDI: 000000000002f980
RBP: ffff90b685fa0000 R08: 0000000000000000 R09: 0000000000000040
R10: ffffb9dbc14175b0 R11: ffffb9dbc14170a0 R12: 0000000000000001
R13: ffff90b685fa1da8 R14: 0000000000000006 R15: ffff90b5158f8400
FS:  00007fd7ab143880(0000) GS:ffff90b6bea80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000e81091ef030 CR3: 00000007d80c4000 CR4: 0000000000340ee0
Call Trace:
 dcn20_validate_bandwidth+0x2c/0x40 [amdgpu]
 dc_commit_updates_for_stream+0xad7/0x1930 [amdgpu]
 ? amdgpu_display_get_crtc_scanoutpos+0x85/0x190 [amdgpu]
 amdgpu_dm_atomic_commit_tail+0xb4c/0x1fc0 [amdgpu]
 commit_tail+0x94/0x130 [drm_kms_helper]
 drm_atomic_helper_commit+0x113/0x140 [drm_kms_helper]
 drm_client_modeset_commit_atomic+0x1c9/0x200 [drm]
 drm_client_modeset_commit_locked+0x50/0x150 [drm]
 __drm_fb_helper_restore_fbdev_mode_unlocked+0x59/0xc0 [drm_kms_helper]
 drm_fb_helper_set_par+0x3c/0x50 [drm_kms_helper]
 fb_set_var+0x175/0x370
 ? update_load_avg+0x78/0x630
 ? update_curr+0x69/0x1a0
 fbcon_blank+0x20d/0x270
 do_unblank_screen+0xaa/0x150
 complete_change_console+0x54/0xd0
 vt_ioctl+0x126f/0x1320
 tty_ioctl+0x372/0x8c0
 ksys_ioctl+0x87/0xc0
 __x64_sys_ioctl+0x16/0x20
 do_syscall_64+0x4e/0x160
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fd7ab75d1c7
Code: 00 00 90 48 8b 05 b9 9c 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff
c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01
c3 48 8b 0d 89 9c 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffe9138fec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7ab75d1c7
RDX: 0000000000000001 RSI: 0000000000005605 RDI: 0000000000000015
RBP: 0000000000000015 R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffe9138ff38
R13: 0000000000000006 R14: 00007ffe91390050 R15: 00007ffe91390048
---[ end trace eefc00b763354df8 ]---

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