Comment # 35
on bug 105018
from Adam Bolte
I believe I've been seeing the same bug as of late. [Sat Jun 23 23:02:04 2018] ------------[ cut here ]------------ [Sat Jun 23 23:02:04 2018] kernel BUG at drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:4713! [Sat Jun 23 23:02:04 2018] invalid opcode: 0000 [#1] SMP PTI [Sat Jun 23 23:02:04 2018] Modules linked in: ipt_REJECT(E) nf_reject_ipv4(E) tun(E) bridge(E) stp(E) llc(E) fuse(E) ebtable_filter(E) ebtables(E) ip6table_filter(E) ip6_tables(E) snd_hrtimer(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) snd_seq(E) snd_seq_device(E) cpufreq_conservative(E) cpufreq_powersave(E) cpufreq_userspace(E) nf_log_ipv4(E) nf_log_common(E) xt_LOG(E) xt_multiport(E) xt_conntrack(E) iptable_filter(E) ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) nf_nat_ipv4(E) nf_nat(E) nf_conntrack(E) xt_CHECKSUM(E) xt_tcpudp(E) iptable_mangle(E) binfmt_misc(E) nls_ascii(E) nls_cp437(E) vfat(E) fat(E) mxm_wmi(E) amdkfd(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) amdgpu(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) snd_hda_codec_hdmi(E) [Sat Jun 23 23:02:04 2018] chash(E) gpu_sched(E) snd_hda_intel(E) kvm_intel(E) ttm(E) snd_hda_codec(E) efi_pstore(E) drm_kms_helper(E) snd_hda_core(E) snd_pcsp(E) kvm(E) snd_hwdep(E) snd_pcm_oss(E) drm(E) irqbypass(E) snd_mixer_oss(E) intel_cstate(E) snd_pcm(E) mei_me(E) i2c_algo_bit(E) intel_uncore(E) snd_timer(E) coretemp(E) vhba(OE) snd(E) iTCO_wdt(E) intel_rapl_perf(E) efivars(E) joydev(E) evdev(E) iTCO_vendor_support(E) soundcore(E) shpchp(E) mei(E) sg(E) intel_pch_thermal(E) wmi(E) video(E) acpi_pad(E) button(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) parport_pc(E) ppdev(E) sunrpc(E) lp(E) parport(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) ext4(E) crc16(E) mbcache(E) jbd2(E) fscrypto(E) btrfs(E) zstd_decompress(E) zstd_compress(E) xxhash(E) algif_skcipher(E) af_alg(E) raid10(E) raid456(E) [Sat Jun 23 23:02:04 2018] async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) async_tx(E) xor(E) raid6_pq(E) libcrc32c(E) crc32c_generic(E) raid1(E) multipath(E) linear(E) dm_mirror(E) dm_region_hash(E) dm_log(E) dm_crypt(E) dm_mod(E) raid0(E) md_mod(E) hid_generic(E) usbhid(E) hid(E) sr_mod(E) cdrom(E) sd_mod(E) uas(E) usb_storage(E) crct10dif_pclmul(E) crc32_pclmul(E) crc32c_intel(E) ghash_clmulni_intel(E) pcbc(E) aesni_intel(E) ahci(E) xhci_pci(E) aes_x86_64(E) libahci(E) crypto_simd(E) nvme(E) xhci_hcd(E) cryptd(E) glue_helper(E) libata(E) i2c_i801(E) alx(E) mdio(E) nvme_core(E) scsi_mod(E) usbcore(E) fan(E) thermal(E) [Sat Jun 23 23:02:04 2018] CPU: 2 PID: 1340 Comm: Xorg Tainted: G W OE 4.17.2+ #2 [Sat Jun 23 23:02:04 2018] Hardware name: MSI MS-7976/Z170A GAMING M7 (MS-7976), BIOS 1.J0 12/07/2017 [Sat Jun 23 23:02:04 2018] RIP: 0010:dm_update_crtcs_state+0x424/0x4b0 [amdgpu] [Sat Jun 23 23:02:04 2018] RSP: 0018:ffffb84fc4affa90 EFLAGS: 00010246 [Sat Jun 23 23:02:04 2018] RAX: 0000000000000000 RBX: ffff9d7e34528280 RCX: fffff1505f079c9f [Sat Jun 23 23:02:04 2018] RDX: 0000000000000017 RSI: ffff9d7e41f63800 RDI: 0000000000000286 [Sat Jun 23 23:02:04 2018] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [Sat Jun 23 23:02:04 2018] R10: ffffb84fc4affa90 R11: 00000000000005a0 R12: ffff9d7e41f63800 [Sat Jun 23 23:02:04 2018] R13: ffff9d7ec0f61800 R14: ffff9d7ec66a8c00 R15: 0000000000000000 [Sat Jun 23 23:02:04 2018] FS: 00007f614ec0ba40(0000) GS:ffff9d7eeec80000(0000) knlGS:0000000000000000 [Sat Jun 23 23:02:04 2018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Sat Jun 23 23:02:04 2018] CR2: 00007f1dbb1ec0c8 CR3: 000000081aa56005 CR4: 00000000003606e0 [Sat Jun 23 23:02:04 2018] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [Sat Jun 23 23:02:04 2018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [Sat Jun 23 23:02:04 2018] Call Trace: [Sat Jun 23 23:02:04 2018] amdgpu_dm_atomic_check+0x1a1/0x3d0 [amdgpu] [Sat Jun 23 23:02:04 2018] drm_atomic_check_only+0x3f3/0x4f0 [drm] [Sat Jun 23 23:02:04 2018] ? handle_conflicting_encoders+0x26c/0x280 [drm_kms_helper] [Sat Jun 23 23:02:04 2018] drm_atomic_commit+0x13/0x50 [drm] [Sat Jun 23 23:02:04 2018] drm_atomic_helper_set_config+0x67/0x90 [drm_kms_helper] [Sat Jun 23 23:02:04 2018] __drm_mode_set_config_internal+0x67/0x110 [drm] [Sat Jun 23 23:02:04 2018] drm_mode_setcrtc+0x452/0x5a0 [drm] [Sat Jun 23 23:02:04 2018] ? amdgpu_cs_wait_ioctl+0xe5/0x160 [amdgpu] [Sat Jun 23 23:02:04 2018] ? drm_mode_getcrtc+0x170/0x170 [drm] [Sat Jun 23 23:02:04 2018] drm_ioctl_kernel+0x67/0xb0 [drm] [Sat Jun 23 23:02:04 2018] drm_ioctl+0x2d1/0x390 [drm] [Sat Jun 23 23:02:04 2018] ? drm_mode_getcrtc+0x170/0x170 [drm] [Sat Jun 23 23:02:04 2018] amdgpu_drm_ioctl+0x49/0x80 [amdgpu] [Sat Jun 23 23:02:04 2018] do_vfs_ioctl+0xa2/0x620 [Sat Jun 23 23:02:04 2018] ? __x64_sys_futex+0x88/0x180 [Sat Jun 23 23:02:04 2018] ksys_ioctl+0x70/0x80 [Sat Jun 23 23:02:04 2018] __x64_sys_ioctl+0x16/0x20 [Sat Jun 23 23:02:04 2018] do_syscall_64+0x55/0x100 [Sat Jun 23 23:02:04 2018] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [Sat Jun 23 23:02:04 2018] RIP: 0033:0x7f614c650dd7 [Sat Jun 23 23:02:04 2018] RSP: 002b:00007ffd9280d9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [Sat Jun 23 23:02:04 2018] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f614c650dd7 [Sat Jun 23 23:02:04 2018] RDX: 00007ffd9280da10 RSI: 00000000c06864a2 RDI: 000000000000000d [Sat Jun 23 23:02:04 2018] RBP: 00007ffd9280da10 R08: 0000000000000000 R09: 000055a69128dca0 [Sat Jun 23 23:02:04 2018] R10: 00007ffd9280dad0 R11: 0000000000000246 R12: 00000000c06864a2 [Sat Jun 23 23:02:04 2018] R13: 000000000000000d R14: 000055a690954b90 R15: 000055a69128dca0 [Sat Jun 23 23:02:04 2018] Code: 4c 89 ee 48 89 c7 e8 bc f5 ff ff 84 c0 0f 84 b7 fe ff ff e9 a0 fe ff ff 48 83 b8 08 0d 00 00 00 0f 85 67 ff ff ff e9 f5 fe ff ff <0f> 0b 41 8b 4f 60 48 c7 c2 d0 95 c7 c0 48 c7 c6 a0 57 ca c0 bf [Sat Jun 23 23:02:04 2018] RIP: dm_update_crtcs_state+0x424/0x4b0 [amdgpu] RSP: ffffb84fc4affa90 [Sat Jun 23 23:02:04 2018] ---[ end trace 293f9551ffc27adc ]--- This is on a Fiji card. I have a 144Hz FreeSync-capable monitor, and can easily reproduce the error with this command (where 143.86 is the xrandr-advertised maximum frequency): xrandr --output DisplayPort-0 --mode 2560x1440 --rate 143.86 --set "scaling mode" "Full aspect" Interestingly xrandr reports 59.95*+ as the current frequency, but my monitor says 144Hz. I tried firing up Grey Goo under Wine and that game reports my monitor running at 144Hz also. If I just run: xrandr --output DisplayPort-0 --mode 2560x1440 --rate 143.86 then xrandr correctly reports 143.86* indicating that that frequency is now selected. I can also run the following: xrandr --output DisplayPort-0 --mode 2560x1440 --set "scaling mode" "Full aspect" But if I combine these options as per the first command above, I get GUI crash. The symptoms are simiar. In my case the screen is still on (not blank) but completely frozen. I was able to SSH in to get the above trace from the dmesg command. The machine cannot successfully shutdown or reboot and I need to physically hard reset the box at this point. As others have said, this is definitely a regression. This didn't happen in older kernels.
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