I've had this twice today.
Lost data as a result of walking away for a cup of tea. Came back to a locked
up desktop
May 12 11:18:04 mcp kernel: [drm:pipe_config_mismatch [i915]] *ERROR* mismatch
in pixel_rate (expected 148500, found 296999)
May 12 11:18:04 mcp kernel: [drm:pipe_config_mismatch [i915]] *ERROR* mismatch
in shared_dpll (expected 000000003724b6ad, found 000000003f64da57)
May 12 11:18:04 mcp kernel: [drm:pipe_config_mismatch [i915]] *ERROR* mismatch
in base.adjusted_mode.crtc_clock (expected 148500, found 296999)
May 12 11:18:04 mcp kernel: [drm:pipe_config_mismatch [i915]] *ERROR* mismatch
in port_clock (expected 270000, found 540000)
May 12 11:18:04 mcp kernel: ------------[ cut here ]------------
May 12 11:18:04 mcp kernel: pipe state doesn't match!
May 12 11:18:04 mcp kernel: WARNING: CPU: 0 PID: 8183 at
drivers/gpu/drm/i915/display/intel_display.c:13158
verify_crtc_state+0x2ad/0x300 [i915]
May 12 11:18:04 mcp kernel: Modules linked in: hidp rfcomm xt_comment dummy ccm
xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp
ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat nf_conntrack
nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c nf_tables nfnetlink ip6table_filter
ip6_tables iptable_filter bpfilter bridge stp llc cmac algif_hash
algif_skcipher af_alg bnep binfmt_misc nls_iso8859_1 intel_rapl_msr mei_hdcp
intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul ghash_clmulni_intel snd_usb_audio snd_usbmidi_lib gspca_vc032x
gspca_main uvcvideo videobuf2_vmalloc snd_hda_codec_realtek usblp
snd_hda_codec_generic videobuf2_memops videobuf2_v4l2 snd_hda_codec_hdmi
videobuf2_common videodev snd_hda_intel snd_intel_dspcfg mc snd_hda_codec btusb
snd_hda_core btrtl aesni_intel btbcm snd_hwdep crypto_simd btintel cryptd
bluetooth glue_helper intel_cstate thinkpad_acpi intel_rapl_perf nvram
ledtrig_audio ecdh_generic ecc snd_pcm snd_seq_midi
May 12 11:18:04 mcp kernel: snd_seq_midi_event iwlmvm snd_rawmidi mac80211
libarc4 iwlwifi snd_seq wmi_bmof input_leds joydev snd_seq_device snd_timer
serio_raw cfg80211 intel_pch_thermal rtsx_pci_ms memstick mei_me snd mei
soundcore mac_hid sch_fq_codel kvm_intel kvm parport_pc ppdev lp parport
ip_tables x_tables autofs4 zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO)
znvpair(PO) spl(O) zlua(PO) hid_generic usbhid hid rtsx_pci_sdmmc i915
i2c_algo_bit crc32_pclmul drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops psmouse i2c_i801 ahci libahci e1000e drm rtsx_pci lpc_ich wmi video
May 12 11:18:04 mcp kernel: CPU: 0 PID: 8183 Comm: Xorg Tainted: P O
5.4.0-30-generic #34-Ubuntu
May 12 11:18:04 mcp kernel: Hardware name: LENOVO 20BV001BUK/20BV001BUK, BIOS
JBET73WW (1.37 ) 08/14/2019
May 12 11:18:04 mcp kernel: RIP: 0010:verify_crtc_state+0x2ad/0x300 [i915]
May 12 11:18:04 mcp kernel: Code: b6 45 bf e9 8d fe ff ff 80 3d 85 76 10 00 00
0f b6 f0 48 c7 c7 40 aa 52 c0 75 32 e8 5d e7 de ff e9 1e fe ff ff e8 ae 9d 24
e5 <0f> 0b e9 1b ff ff ff e8 a2 9d 24 e5 0f 0b e9 85 fe ff ff e8 96 9d
May 12 11:18:04 mcp kernel: RSP: 0018:ffffb1e543f67a80 EFLAGS: 00010282
May 12 11:18:04 mcp kernel: RAX: 0000000000000000 RBX: ffff8db0a7d202b0 RCX:
0000000000000006
May 12 11:18:04 mcp kernel: RDX: 0000000000000007 RSI: 0000000000000092 RDI:
ffff8db0bda178c0
May 12 11:18:04 mcp kernel: RBP: ffffb1e543f67ac8 R08: 0000000000000530 R09:
0000000000000004
May 12 11:18:04 mcp kernel: R10: 0000000000000000 R11: 0000000000000001 R12:
ffff8db0b98f3800
May 12 11:18:04 mcp kernel: R13: ffff8db0a7d202b8 R14: ffff8db0a7d20000 R15:
ffff8dad521aa000
May 12 11:18:04 mcp kernel: FS: 00007f98402dda80(0000)
GS:ffff8db0bda00000(0000) knlGS:0000000000000000
May 12 11:18:04 mcp kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
May 12 11:18:04 mcp kernel: CR2: 00007f33c8ee0024 CR3: 000000075ffda006 CR4:
00000000003606f0
May 12 11:18:04 mcp kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
May 12 11:18:04 mcp kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
May 12 11:18:04 mcp kernel: Call Trace:
May 12 11:18:04 mcp kernel: intel_atomic_commit_tail+0xa43/0x12e0 [i915]
May 12 11:18:04 mcp kernel: ? flush_workqueue_prep_pwqs+0x12e/0x140
May 12 11:18:04 mcp kernel: ? flush_workqueue+0x193/0x420
May 12 11:18:04 mcp kernel: ? intel_atomic_commit_ready+0x4d/0x54 [i915]
May 12 11:18:04 mcp kernel: intel_atomic_commit+0x284/0x2b0 [i915]
May 12 11:18:04 mcp kernel: drm_atomic_commit+0x4a/0x50 [drm]
May 12 11:18:04 mcp kernel: drm_atomic_connector_commit_dpms+0xdf/0x100 [drm]
May 12 11:18:04 mcp kernel: drm_mode_obj_set_property_ioctl+0x156/0x2a0 [drm]
May 12 11:18:04 mcp kernel: ? drm_connector_set_obj_prop+0x90/0x90 [drm]
May 12 11:18:04 mcp kernel: drm_connector_property_set_ioctl+0x3b/0x60 [drm]
May 12 11:18:04 mcp kernel: drm_ioctl_kernel+0xae/0xf0 [drm]
May 12 11:18:04 mcp kernel: drm_ioctl+0x234/0x3d0 [drm]
May 12 11:18:04 mcp kernel: ? drm_connector_set_obj_prop+0x90/0x90 [drm]
May 12 11:18:04 mcp kernel: ? __set_task_blocked+0x38/0xa0
May 12 11:18:04 mcp kernel: ? __fpu__restore_sig+0x4a7/0x600
May 12 11:18:04 mcp kernel: do_vfs_ioctl+0x407/0x670
May 12 11:18:04 mcp kernel: ? recalc_sigpending+0x1c/0x60
May 12 11:18:04 mcp kernel: ? _copy_from_user+0x3e/0x60
May 12 11:18:04 mcp kernel: ksys_ioctl+0x67/0x90
May 12 11:18:04 mcp kernel: __x64_sys_ioctl+0x1a/0x20
May 12 11:18:04 mcp kernel: do_syscall_64+0x57/0x190
May 12 11:18:04 mcp kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
May 12 11:18:04 mcp kernel: RIP: 0033:0x7f984063d37b
May 12 11:18:04 mcp kernel: Code: 0f 1e fa 48 8b 05 15 3b 0d 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 e5 3a 0d 00 f7 d8 64 89 01 48
May 12 11:18:04 mcp kernel: RSP: 002b:00007ffcf2d6d9b8 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
May 12 11:18:04 mcp kernel: RAX: ffffffffffffffda RBX: 00007ffcf2d6d9f0 RCX:
00007f984063d37b
May 12 11:18:04 mcp kernel: RDX: 00007ffcf2d6d9f0 RSI: 00000000c01064ab RDI:
000000000000000c
May 12 11:18:04 mcp kernel: RBP: 00000000c01064ab R08: 000055efb1e263d0 R09:
0000000000000000
May 12 11:18:04 mcp kernel: R10: 000055efb1e263d0 R11: 0000000000000246 R12:
000055efb1feaea0
May 12 11:18:04 mcp kernel: R13: 000000000000000c R14: 0000000000000000 R15:
000055efb176e980
May 12 11:18:04 mcp kernel: ---[ end trace 950ad17c90adf9c0 ]---
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https://bugs.launchpad.net/bugs/1871687
Title:
System hard locks up intermittently
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