Same problem here. Reproducable by switching virtual terminals a few times with
<ctrl><alt><F#>.
The only thing the system responds to is a ping (but no ssh) and a
<sysrq>REISUB.
This only happens to me on kernel 5.4.0-56-generic. If I revert to the previous
kernel, 5.4.0-54-generic, the freeze does not happen.
After every freeze journalctl always shows a SIMD error that seems to cause the
freeze.
Below are two examples:
dec 03 17:23:05 zen kernel: simd exception: 0000 [#1] SMP NOPTI
dec 03 17:23:05 zen kernel: CPU: 5 PID: 1195 Comm: Xorg Tainted: G OE
5.4.0-56-generic #62-Ubuntu
dec 03 17:23:05 zen kernel: Hardware name: Micro-Star International Co., Ltd.
MS-7C52/B450M-A PRO MAX (MS-7C52), BIOS 3.40 01/22/2020
dec 03 17:23:05 zen kernel: RIP:
0010:CalculateDelayAfterScaler.constprop.0+0xb2/0x320 [amdgpu]
dec 03 17:23:05 zen kernel: Code: 10 45 b0 f2 45 0f 59 84 24 08 0d 00 00 f2 44
0f 5e 45 d0 f2 48 0f 2a c8 f2 0f 59 c8 66 0f ef c0 f2 41 0f 5a 84 24 60 17 00
00 <f2> 41 0f 5e c8 f2 0f 5c 4d c8 f2 0f 5a c9 e8 7b df f7 ff f2 0f 10
dec 03 17:23:05 zen kernel: RSP: 0018:ffffa135419cf708 EFLAGS: 00010202
dec 03 17:23:05 zen kernel: RAX: 0000000000003c00 RBX: 0000000000000002 RCX:
0000000000000000
dec 03 17:23:05 zen kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI:
ffff8e2cb16c1f38
dec 03 17:23:05 zen kernel: RBP: ffffa135419cf780 R08: 0000000000000002 R09:
0000000000000f00
dec 03 17:23:05 zen kernel: R10: 0000000000000001 R11: ffff8e2cb16c53b8 R12:
ffff8e2cb16c1f38
dec 03 17:23:05 zen kernel: R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000001
dec 03 17:23:05 zen kernel: FS: 00007f43ee050a80(0000)
GS:ffff8e2d6e940000(0000) knlGS:0000000000000000
dec 03 17:23:05 zen kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
dec 03 17:23:05 zen kernel: CR2: 00007fc926c8b3e0 CR3: 00000007e6050000 CR4:
0000000000340ee0
dec 03 17:23:05 zen kernel: Call Trace:
and
dec 04 06:53:51 zen kernel: simd exception: 0000 [#1] SMP NOPTI
dec 04 06:53:51 zen kernel: CPU: 0 PID: 5889 Comm: kworker/0:2 Tainted: G
OE 5.4.0-56-generic #62-Ubuntu
dec 04 06:53:51 zen kernel: Hardware name: Micro-Star International Co., Ltd.
MS-7C52/B450M-A PRO MAX (MS-7C52), BIOS 3.40 01/22/2020
dec 04 06:53:51 zen kernel: Workqueue: events console_callback
dec 04 06:53:51 zen kernel: RIP:
0010:CalculateDelayAfterScaler.constprop.0+0xb2/0x320 [amdgpu]
dec 04 06:53:51 zen kernel: Code: 10 45 b0 f2 45 0f 59 84 24 08 0d 00 00 f2 44
0f 5e 45 d0 f2 48 0f 2a c8 f2 0f 59 c8 66 0f ef c0 f2 41 0f 5a 84 24 60 17 00
00 <f2> 41 0f 5e c8 f2 0f 5c 4d c8 f2 0f 5a c9 e8 7b df f7 ff f2 0f 10
dec 04 06:53:51 zen kernel: RSP: 0018:ffffad2c42a77618 EFLAGS: 00010202
dec 04 06:53:51 zen kernel: RAX: 0000000000000f00 RBX: 0000000000000002 RCX:
0000000000000000
dec 04 06:53:51 zen kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI:
ffff9e845b851f38
dec 04 06:53:51 zen kernel: RBP: ffffad2c42a77690 R08: 0000000000000002 R09:
0000000000000f00
dec 04 06:53:51 zen kernel: R10: 0000000000000001 R11: ffff9e845b8553b8 R12:
ffff9e845b851f38
dec 04 06:53:51 zen kernel: R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000001
dec 04 06:53:51 zen kernel: FS: 0000000000000000(0000)
GS:ffff9e852e800000(0000) knlGS:0000000000000000
dec 04 06:53:51 zen kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
dec 04 06:53:51 zen kernel: CR2: 000055d78231afd0 CR3: 0000000724648000 CR4:
0000000000340ef0
dec 04 06:53:51 zen kernel: Call Trace:
dec 04 06:53:51 zen kernel:
dml20v2_ModeSupportAndSystemConfigurationFull+0x403f/0x5d60 [amdgpu]
dec 04 06:53:51 zen kernel: dml_get_voltage_level+0x127/0x200 [amdgpu]
dec 04 06:53:51 zen kernel: dcn20_fast_validate_bw+0x376/0xaf0 [amdgpu]
dec 04 06:53:51 zen kernel: dcn20_validate_bandwidth_internal+0xaf/0x290
[amdgpu]
dec 04 06:53:51 zen kernel: ? resource_build_scaling_params+0x709/0x9c0
[amdgpu]
dec 04 06:53:51 zen kernel: dcn20_validate_bandwidth+0x31/0x100 [amdgpu]
dec 04 06:53:51 zen kernel: dc_validate_global_state+0x260/0x2d0 [amdgpu]
dec 04 06:53:51 zen kernel: ? drm_modeset_lock_all_ctx+0xd9/0xe0 [drm]
dec 04 06:53:51 zen kernel: amdgpu_dm_atomic_check+0x60c/0x860 [amdgpu]
dec 04 06:53:51 zen kernel: drm_atomic_check_only+0x2b1/0x450 [drm]
dec 04 06:53:51 zen kernel: drm_atomic_commit+0x18/0x50 [drm]
dec 04 06:53:51 zen kernel: drm_client_modeset_commit_atomic+0x1d0/0x1f0 [drm]
dec 04 06:53:51 zen kernel: drm_client_modeset_commit_force+0x55/0x160 [drm]
dec 04 06:53:51 zen kernel: drm_fb_helper_pan_display+0xcf/0x230
[drm_kms_helper]
dec 04 06:53:51 zen kernel: fb_pan_display+0x8c/0x110
dec 04 06:53:51 zen kernel: bit_update_start+0x20/0x50
dec 04 06:53:51 zen kernel: fbcon_switch+0x380/0x550
dec 04 06:53:51 zen kernel: redraw_screen+0xfe/0x270
dec 04 06:53:51 zen kernel: complete_change_console+0x3f/0xe0
dec 04 06:53:51 zen kernel: change_console+0x55/0x90
dec 04 06:53:51 zen kernel: console_callback+0x178/0x190
dec 04 06:53:51 zen kernel: ? pwq_dec_nr_in_flight+0x4e/0xa0
dec 04 06:53:51 zen kernel: process_one_work+0x1eb/0x3b0
dec 04 06:53:51 zen kernel: worker_thread+0x4d/0x400
dec 04 06:53:51 zen kernel: kthread+0x104/0x140
dec 04 06:53:51 zen kernel: ? process_one_work+0x3b0/0x3b0
dec 04 06:53:51 zen kernel: ? kthread_park+0x90/0x90
dec 04 06:53:51 zen kernel: ret_from_fork+0x22/0x40
dec 04 06:53:51 zen kernel: Modules linked in: dm_crypt vboxnetadp(OE)
vboxnetflt(OE) vboxdrv(OE) xt_recent xt_CHECKSUM xt_MASQUERADE ip6table_mangle
ip6table_nat iptable_mangle iptable_nat nf_nat nf_tables nfnetlink bridge stp
llc snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio
snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core
snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi amdgpu joydev
input_leds snd_seq edac_mce_amd amd_iommu_v2 snd_seq_device kvm_amd snd_timer
gpu_sched crct10dif_pclmul ghash_clmulni_intel nls_iso8859_1 snd ttm
drm_kms_helper aesni_intel crypto_simd i2c_algo_bit cryptd fb_sys_fops
glue_helper syscopyarea sysfillrect soundcore wmi_bmof sysimgblt ccp k10temp
mac_hid nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4
nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_limit xt_addrtype
sch_fq_codel xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
ip6table_filter ip6_tables iptable_filter bpfilter kvm nct6775
dec 04 06:53:51 zen kernel: hwmon_vid parport_pc ppdev lp parport drm nfsd
auth_rpcgss nfs_acl lockd grace sunrpc ip_tables x_tables autofs4 btrfs xor
zstd_compress raid6_pq libcrc32c hid_generic usbhid hid uas usb_storage
crc32_pclmul i2c_piix4 r8169 ahci realtek nvme libahci nvme_core wmi gpio_amdpt
gpio_generic
dec 04 06:53:51 zen kernel: ---[ end trace 140e97c87a208340 ]---
dec 04 06:53:51 zen kernel: RIP:
0010:CalculateDelayAfterScaler.constprop.0+0xb2/0x320 [amdgpu]
dec 04 06:53:51 zen kernel: Code: 10 45 b0 f2 45 0f 59 84 24 08 0d 00 00 f2 44
0f 5e 45 d0 f2 48 0f 2a c8 f2 0f 59 c8 66 0f ef c0 f2 41 0f 5a 84 24 60 17 00
00 <f2> 41 0f 5e c8 f2 0f 5c 4d c8 f2 0f 5a c9 e8 7b df f7 ff f2 0f 10
dec 04 06:53:51 zen kernel: RSP: 0018:ffffad2c42a77618 EFLAGS: 00010202
dec 04 06:53:51 zen kernel: RAX: 0000000000000f00 RBX: 0000000000000002 RCX:
0000000000000000
dec 04 06:53:51 zen kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI:
ffff9e845b851f38
dec 04 06:53:51 zen kernel: RBP: ffffad2c42a77690 R08: 0000000000000002 R09:
0000000000000f00
dec 04 06:53:51 zen kernel: R10: 0000000000000001 R11: ffff9e845b8553b8 R12:
ffff9e845b851f38
dec 04 06:53:51 zen kernel: R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000001
dec 04 06:53:51 zen kernel: FS: 0000000000000000(0000)
GS:ffff9e852e800000(0000) knlGS:0000000000000000
dec 04 06:53:51 zen kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
dec 04 06:53:51 zen kernel: CR2: 000055d78231afd0 CR3: 0000000724648000 CR4:
0000000000340ef0
dec 04 06:54:16 zen kernel: usb 1-2: USB disconnect, device number 2
dec 04 06:54:16 zen kernel: usb 1-2.3: USB disconnect, device number 3
dec 04 06:54:16 zen kernel: usb 1-2.4: USB disconnect, device number 4
dec 04 06:54:16 zen acpid[859]: input device has been disconnected, fd 14
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https://bugs.launchpad.net/bugs/1906449
Title:
[nvidia] [amdgpu] Xorg randomly freezes
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