Public bug reported: With kernel
Linux version 5.4.0-77-lowlatency (buildd@lgw01-amd64-028) (gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)) #86-Ubuntu SMP PREEMPT Thu Jun 17 03:26:36 UTC 2021 (Ubuntu 5.4.0-77.86-lowlatency 5.4.119) in Ubuntustudio I got two system freezes (video frozen, mouse and keyboard without function) some seconds after login in the last days. In the journal I see in both cases a kernel error referring to drm_kms: --------------------------------------------------------------------------------- Jul 26 20:26:21 marco-MS-7817 kernel: [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR* [CRTC:42:pipe A] flip_done timed out Jul 26 20:26:22 marco-MS-7817 systemd[1]: systemd-fsckd.service: Succeeded. Jul 26 20:26:21 marco-MS-7817 systemd-timesyncd[667]: Initial synchronization to time server 91.189.94.4:123 (ntp.ubuntu.com). Jul 26 20:26:21 marco-MS-7817 systemd[1]: Starting Daily apt upgrade and clean activities... Jul 26 20:26:21 marco-MS-7817 systemd[1]: systemd-hostnamed.service: Succeeded. Jul 26 20:26:22 marco-MS-7817 systemd[1]: blueman-mechanism.service: Succeeded. Jul 26 20:26:23 marco-MS-7817 systemd[1]: apt-daily-upgrade.service: Succeeded. Jul 26 20:26:23 marco-MS-7817 systemd[1]: Finished Daily apt upgrade and clean activities. Jul 26 20:26:27 marco-MS-7817 autojack[2631]: JACK MIDI <-> ALSA sequencer MIDI bridge, version 9 built on Sun Oct 13 18:36:50 2019 Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Copyright 2006,2007 Dmitry S. Baikov Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Copyright 2007,2008,2009,2011,2012 Nedko Arnaudov Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Bridge starting... Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Using JACK server 'default' Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Hardware ports will be exported. Jul 26 20:26:32 marco-MS-7817 autojack[2631]: Cannot read socket fd = 6 err = Success Jul 26 20:26:32 marco-MS-7817 autojack[2631]: CheckRes error Jul 26 20:26:32 marco-MS-7817 autojack[2631]: JackSocketClientChannel read fail Jul 26 20:26:32 marco-MS-7817 autojack[2631]: Cannot open a2j client Jul 26 20:26:32 marco-MS-7817 autojack[2631]: JackShmReadWritePtr1::~JackShmReadWritePtr1 - Init not done for -1, skipping unlock Jul 26 20:26:32 marco-MS-7817 autojack[2631]: JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock Jul 26 20:26:32 marco-MS-7817 autojack[2631]: JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock Jul 26 20:26:32 marco-MS-7817 autojack[2631]: ERROR: a2j_jack_client_create: Cannot create jack client Jul 26 20:26:32 marco-MS-7817 autojack[2631]: ERROR: a2j_start: a2j_new() failed. Jul 26 20:27:04 marco-MS-7817 kernel: rcu: INFO: rcu_preempt self-detected stall on CPU Jul 26 20:27:04 marco-MS-7817 kernel: rcu: 0-....: (60004 ticks this GP) idle=7ca/1/0x4000000000000002 softirq=23094/23094 fqs=14881 Jul 26 20:27:04 marco-MS-7817 kernel: (t=60000 jiffies g=11765 q=87882) Jul 26 20:27:04 marco-MS-7817 kernel: NMI backtrace for cpu 0 Jul 26 20:27:04 marco-MS-7817 kernel: CPU: 0 PID: 2446 Comm: jackdbus Tainted: G OE 5.4.0-77-lowlatency #86-Ubuntu Jul 26 20:27:04 marco-MS-7817 kernel: Hardware name: MSI MS-7817/H81M-E34 (MS-7817), BIOS V17.5 03/30/2015 Jul 26 20:27:04 marco-MS-7817 kernel: Call Trace: Jul 26 20:27:04 marco-MS-7817 kernel: <IRQ> Jul 26 20:27:04 marco-MS-7817 kernel: dump_stack+0x6d/0x8b Jul 26 20:27:04 marco-MS-7817 kernel: ? lapic_can_unplug_cpu+0x80/0x80 Jul 26 20:27:04 marco-MS-7817 kernel: nmi_cpu_backtrace.cold+0x14/0x53 Jul 26 20:27:04 marco-MS-7817 kernel: nmi_trigger_cpumask_backtrace+0xfa/0x110 Jul 26 20:27:04 marco-MS-7817 kernel: arch_trigger_cpumask_backtrace+0x19/0x20 Jul 26 20:27:04 marco-MS-7817 kernel: rcu_dump_cpu_stacks+0x99/0xcb Jul 26 20:27:04 marco-MS-7817 kernel: rcu_sched_clock_irq.cold+0x25e/0x4f0 Jul 26 20:27:04 marco-MS-7817 kernel: update_process_times+0x2c/0x60 Jul 26 20:27:04 marco-MS-7817 kernel: tick_sched_handle+0x29/0x60 Jul 26 20:27:04 marco-MS-7817 kernel: tick_sched_timer+0x3d/0x80 Jul 26 20:27:04 marco-MS-7817 kernel: __hrtimer_run_queues+0xf7/0x2c0 Jul 26 20:27:04 marco-MS-7817 kernel: ? tick_sched_do_timer+0x60/0x60 Jul 26 20:27:04 marco-MS-7817 kernel: hrtimer_interrupt+0x109/0x220 Jul 26 20:27:04 marco-MS-7817 kernel: smp_apic_timer_interrupt+0x71/0x170 Jul 26 20:27:04 marco-MS-7817 kernel: apic_timer_interrupt+0xf/0x20 Jul 26 20:27:04 marco-MS-7817 kernel: </IRQ> Jul 26 20:27:04 marco-MS-7817 kernel: RIP: 0010:read_tsc+0x3/0x10 Jul 26 20:27:04 marco-MS-7817 kernel: Code: 5d c3 90 90 90 90 90 8b 05 66 e0 80 01 c3 66 0f 1f 84 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 0f 01 f9 <66> 90 48 c1 e2 20 48 09 d0 c.3 0f 1f 00 8b 0d ea 83 ae 01 48 89 f8 Jul 26 20:27:04 marco-MS-7817 kernel: RSP: 0018:ffffb32e40e5bea8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 Jul 26 20:27:04 marco-MS-7817 kernel: RAX: 00000000068f6570 RBX: ffffb32e40e5bf00 RCX: 0000000000000000 Jul 26 20:27:04 marco-MS-7817 kernel: RDX: 0000000000000044 RSI: 000000000000001f RDI: ffffffffaf030ca0 Jul 26 20:27:04 marco-MS-7817 kernel: RBP: ffffb32e40e5bec8 R08: 0000000000000000 R09: 0000000000000000 Jul 26 20:27:04 marco-MS-7817 kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 Jul 26 20:27:04 marco-MS-7817 kernel: R13: 00000000000248f4 R14: 0000000000000000 R15: 0000000000000000 Jul 26 20:27:04 marco-MS-7817 kernel: ? recalibrate_cpu_khz+0x10/0x10 Jul 26 20:27:04 marco-MS-7817 kernel: ? ktime_get_ts64+0x4c/0xe0 Jul 26 20:27:04 marco-MS-7817 kernel: poll_select_set_timeout+0x50/0x80 Jul 26 20:27:04 marco-MS-7817 kernel: __x64_sys_poll+0x97/0x150 Jul 26 20:27:04 marco-MS-7817 kernel: do_syscall_64+0x57/0x190 Jul 26 20:27:04 marco-MS-7817 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 Jul 26 20:27:04 marco-MS-7817 kernel: RIP: 0033:0x7f8d053a4aff Jul 26 20:27:04 marco-MS-7817 kernel: Code: 54 24 1c 48 89 74 24 10 48 89 7c 24 08 e8 79 1c f8 ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 48 8b 7c 24 08 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2b 44 89 c7 89 44 24 08 e8 ad 1c f8 ff 8b 44 Jul 26 20:27:04 marco-MS-7817 kernel: RSP: 002b:00007f8d04626d50 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 Jul 26 20:27:04 marco-MS-7817 kernel: RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8d053a4aff Jul 26 20:27:04 marco-MS-7817 kernel: RDX: 0000000000007cff RSI: 0000000000000002 RDI: 000055a45ca1eec0 Jul 26 20:27:04 marco-MS-7817 kernel: RBP: 000000000484ea79 R08: 0000000000000002 R09: 00007f8d04626d58 Jul 26 20:27:04 marco-MS-7817 kernel: R10: 00007f8d04626d50 R11: 0000000000000246 R12: 0000000000000001 Jul 26 20:27:04 marco-MS-7817 kernel: R13: 0000000000000001 R14: 00000000ffffffff R15: 000055a45ca86070 Jul 26 20:27:56 marco-MS-7817 systemd[1]: Starting Ubuntu Advantage APT and MOTD Messages... Jul 26 20:27:56 marco-MS-7817 systemd[1]: ua-messaging.service: Succeeded. Jul 26 20:27:56 marco-MS-7817 systemd[1]: Finished Ubuntu Advantage APT and MOTD Messages. Jul 26 20:28:00 marco-MS-7817 kernel: usb 5-1.3.4: USB disconnect, device number 8 --------------------------------------------------------------------------------- My system: System: Host: marco-MS-7817 Kernel: 5.4.0-80-lowlatency x86_64 bits: 64 Desktop: Xfce 4.14.2 Distro: Ubuntu 20.04.2 LTS (Focal Fossa) Machine: Type: Desktop Mobo: MSI model: H81M-E34 (MS-7817) v: 3.0 serial: <superuser/root required> BIOS: American Megatrends v: 17.5 date: 03/30/2015 CPU: Topology: Quad Core model: Intel Core i5-4460 bits: 64 type: MCP L2 cache: 6144 KiB Speed: 3200 MHz min/max: 800/3200 MHz Core speeds (MHz): 1: 3200 2: 3200 3: 3201 4: 3201 Graphics: Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics driver: i915 v: kernel Display: x11 server: X.Org 1.20.9 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~60Hz OpenGL: renderer: Mesa DRI Intel HD Graphics 4600 (HSW GT2) v: 4.5 Mesa 20.2.6 Audio: Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio driver: snd_hda_intel Device-2: BEHRINGER UMC204HD 192k type: USB driver: snd-usb-audio Device-3: AKAI Professional M.I. type: USB driver: hid-generic,snd-usb-audio,usbhid Sound Server: ALSA v: k5.4.0-80-lowlatency Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet driver: r8168 IF: enp2s0 state: up speed: 1000 Mbps duplex: full mac: d8:cb:8a:e8:e9:99 Drives: Local Storage: total: 538.03 GiB used: 219.96 GiB (40.9%) ID-1: /dev/sda vendor: Samsung model: SSD 850 EVO 250GB size: 232.89 GiB ID-2: /dev/sdb type: USB vendor: Samsung model: Portable SSD T5 size: 232.89 GiB ID-3: /dev/sdc type: USB vendor: SanDisk model: Ultra size: 57.30 GiB ID-4: /dev/sdd type: USB vendor: SanDisk model: U3 Cruzer Micro size: 14.95 GiB Partition: ID-1: / size: 36.41 GiB used: 14.84 GiB (40.8%) fs: ext4 dev: /dev/sda1 ID-2: /home size: 184.23 GiB used: 116.46 GiB (63.2%) fs: ext4 dev: /dev/sda6 ID-3: swap-1 size: 7.45 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda5 Sensors: System Temperatures: cpu: 36.0 C mobo: N/A Fan Speeds (RPM): N/A Info: Processes: 227 Uptime: 15m Memory: 7.23 GiB used: 1.39 GiB (19.2%) Shell: bash inxi: 3.0.38 Description: Ubuntu 20.04.2 LTS Release: 20.04 ** Affects: ubuntu Importance: Undecided Status: New ** Description changed: With kernel Linux version 5.4.0-77-lowlatency (buildd@lgw01-amd64-028) (gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)) #86-Ubuntu SMP PREEMPT Thu Jun 17 03:26:36 UTC 2021 (Ubuntu 5.4.0-77.86-lowlatency 5.4.119) - in Ubuntustudio I got twice system freezes (video frozen, mouse and - keyboard without function) some seconds after login. + in Ubuntustudio I got two system freezes (video frozen, mouse and + keyboard without function) some seconds after login in the last days. In the journal I see in both cases a kernel error referring to drm_kms: --------------------------------------------------------------------------------- Jul 26 20:26:21 marco-MS-7817 kernel: [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]] *ERROR* [CRTC:42:pipe A] flip_done timed out Jul 26 20:26:22 marco-MS-7817 systemd[1]: systemd-fsckd.service: Succeeded. Jul 26 20:26:21 marco-MS-7817 systemd-timesyncd[667]: Initial synchronization to time server 91.189.94.4:123 (ntp.ubuntu.com). Jul 26 20:26:21 marco-MS-7817 systemd[1]: Starting Daily apt upgrade and clean activities... Jul 26 20:26:21 marco-MS-7817 systemd[1]: systemd-hostnamed.service: Succeeded. Jul 26 20:26:22 marco-MS-7817 systemd[1]: blueman-mechanism.service: Succeeded. Jul 26 20:26:23 marco-MS-7817 systemd[1]: apt-daily-upgrade.service: Succeeded. Jul 26 20:26:23 marco-MS-7817 systemd[1]: Finished Daily apt upgrade and clean activities. Jul 26 20:26:27 marco-MS-7817 autojack[2631]: JACK MIDI <-> ALSA sequencer MIDI bridge, version 9 built on Sun Oct 13 18:36:50 2019 Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Copyright 2006,2007 Dmitry S. Baikov Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Copyright 2007,2008,2009,2011,2012 Nedko Arnaudov Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Bridge starting... Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Using JACK server 'default' Jul 26 20:26:27 marco-MS-7817 autojack[2631]: Hardware ports will be exported. Jul 26 20:26:32 marco-MS-7817 autojack[2631]: Cannot read socket fd = 6 err = Success Jul 26 20:26:32 marco-MS-7817 autojack[2631]: CheckRes error Jul 26 20:26:32 marco-MS-7817 autojack[2631]: JackSocketClientChannel read fail Jul 26 20:26:32 marco-MS-7817 autojack[2631]: Cannot open a2j client Jul 26 20:26:32 marco-MS-7817 autojack[2631]: JackShmReadWritePtr1::~JackShmReadWritePtr1 - Init not done for -1, skipping unlock Jul 26 20:26:32 marco-MS-7817 autojack[2631]: JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock Jul 26 20:26:32 marco-MS-7817 autojack[2631]: JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock Jul 26 20:26:32 marco-MS-7817 autojack[2631]: ERROR: a2j_jack_client_create: Cannot create jack client Jul 26 20:26:32 marco-MS-7817 autojack[2631]: ERROR: a2j_start: a2j_new() failed. Jul 26 20:27:04 marco-MS-7817 kernel: rcu: INFO: rcu_preempt self-detected stall on CPU - Jul 26 20:27:04 marco-MS-7817 kernel: rcu: 0-....: (60004 ticks this GP) idle=7ca/1/0x4000000000000002 softirq=23094/23094 fqs=14881 + Jul 26 20:27:04 marco-MS-7817 kernel: rcu: 0-....: (60004 ticks this GP) idle=7ca/1/0x4000000000000002 softirq=23094/23094 fqs=14881 Jul 26 20:27:04 marco-MS-7817 kernel: (t=60000 jiffies g=11765 q=87882) Jul 26 20:27:04 marco-MS-7817 kernel: NMI backtrace for cpu 0 Jul 26 20:27:04 marco-MS-7817 kernel: CPU: 0 PID: 2446 Comm: jackdbus Tainted: G OE 5.4.0-77-lowlatency #86-Ubuntu Jul 26 20:27:04 marco-MS-7817 kernel: Hardware name: MSI MS-7817/H81M-E34 (MS-7817), BIOS V17.5 03/30/2015 Jul 26 20:27:04 marco-MS-7817 kernel: Call Trace: Jul 26 20:27:04 marco-MS-7817 kernel: <IRQ> Jul 26 20:27:04 marco-MS-7817 kernel: dump_stack+0x6d/0x8b Jul 26 20:27:04 marco-MS-7817 kernel: ? lapic_can_unplug_cpu+0x80/0x80 Jul 26 20:27:04 marco-MS-7817 kernel: nmi_cpu_backtrace.cold+0x14/0x53 Jul 26 20:27:04 marco-MS-7817 kernel: nmi_trigger_cpumask_backtrace+0xfa/0x110 Jul 26 20:27:04 marco-MS-7817 kernel: arch_trigger_cpumask_backtrace+0x19/0x20 Jul 26 20:27:04 marco-MS-7817 kernel: rcu_dump_cpu_stacks+0x99/0xcb Jul 26 20:27:04 marco-MS-7817 kernel: rcu_sched_clock_irq.cold+0x25e/0x4f0 Jul 26 20:27:04 marco-MS-7817 kernel: update_process_times+0x2c/0x60 Jul 26 20:27:04 marco-MS-7817 kernel: tick_sched_handle+0x29/0x60 Jul 26 20:27:04 marco-MS-7817 kernel: tick_sched_timer+0x3d/0x80 Jul 26 20:27:04 marco-MS-7817 kernel: __hrtimer_run_queues+0xf7/0x2c0 Jul 26 20:27:04 marco-MS-7817 kernel: ? tick_sched_do_timer+0x60/0x60 Jul 26 20:27:04 marco-MS-7817 kernel: hrtimer_interrupt+0x109/0x220 Jul 26 20:27:04 marco-MS-7817 kernel: smp_apic_timer_interrupt+0x71/0x170 Jul 26 20:27:04 marco-MS-7817 kernel: apic_timer_interrupt+0xf/0x20 Jul 26 20:27:04 marco-MS-7817 kernel: </IRQ> Jul 26 20:27:04 marco-MS-7817 kernel: RIP: 0010:read_tsc+0x3/0x10 - Jul 26 20:27:04 marco-MS-7817 kernel: Code: 5d c3 90 90 90 90 90 8b 05 66 e0 80 01 c3 66 0f 1f 84 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 0f 01 f9 <66> 90 48 c1 e2 20 48 09 d0 c3 0f 1f 00 8b 0d ea 83 ae 01 48 89 f8 + Jul 26 20:27:04 marco-MS-7817 kernel: Code: 5d c3 90 90 90 90 90 8b 05 66 e0 80 01 c3 66 0f 1f 84 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 0f 01 f9 <66> 90 48 c1 e2 20 48 09 d0 c.3 0f 1f 00 8b 0d ea 83 ae 01 48 89 f8 Jul 26 20:27:04 marco-MS-7817 kernel: RSP: 0018:ffffb32e40e5bea8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 Jul 26 20:27:04 marco-MS-7817 kernel: RAX: 00000000068f6570 RBX: ffffb32e40e5bf00 RCX: 0000000000000000 Jul 26 20:27:04 marco-MS-7817 kernel: RDX: 0000000000000044 RSI: 000000000000001f RDI: ffffffffaf030ca0 Jul 26 20:27:04 marco-MS-7817 kernel: RBP: ffffb32e40e5bec8 R08: 0000000000000000 R09: 0000000000000000 Jul 26 20:27:04 marco-MS-7817 kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 Jul 26 20:27:04 marco-MS-7817 kernel: R13: 00000000000248f4 R14: 0000000000000000 R15: 0000000000000000 Jul 26 20:27:04 marco-MS-7817 kernel: ? recalibrate_cpu_khz+0x10/0x10 Jul 26 20:27:04 marco-MS-7817 kernel: ? ktime_get_ts64+0x4c/0xe0 Jul 26 20:27:04 marco-MS-7817 kernel: poll_select_set_timeout+0x50/0x80 Jul 26 20:27:04 marco-MS-7817 kernel: __x64_sys_poll+0x97/0x150 Jul 26 20:27:04 marco-MS-7817 kernel: do_syscall_64+0x57/0x190 Jul 26 20:27:04 marco-MS-7817 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 Jul 26 20:27:04 marco-MS-7817 kernel: RIP: 0033:0x7f8d053a4aff Jul 26 20:27:04 marco-MS-7817 kernel: Code: 54 24 1c 48 89 74 24 10 48 89 7c 24 08 e8 79 1c f8 ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 48 8b 7c 24 08 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2b 44 89 c7 89 44 24 08 e8 ad 1c f8 ff 8b 44 Jul 26 20:27:04 marco-MS-7817 kernel: RSP: 002b:00007f8d04626d50 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 Jul 26 20:27:04 marco-MS-7817 kernel: RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8d053a4aff Jul 26 20:27:04 marco-MS-7817 kernel: RDX: 0000000000007cff RSI: 0000000000000002 RDI: 000055a45ca1eec0 Jul 26 20:27:04 marco-MS-7817 kernel: RBP: 000000000484ea79 R08: 0000000000000002 R09: 00007f8d04626d58 Jul 26 20:27:04 marco-MS-7817 kernel: R10: 00007f8d04626d50 R11: 0000000000000246 R12: 0000000000000001 Jul 26 20:27:04 marco-MS-7817 kernel: R13: 0000000000000001 R14: 00000000ffffffff R15: 000055a45ca86070 Jul 26 20:27:56 marco-MS-7817 systemd[1]: Starting Ubuntu Advantage APT and MOTD Messages... Jul 26 20:27:56 marco-MS-7817 systemd[1]: ua-messaging.service: Succeeded. Jul 26 20:27:56 marco-MS-7817 systemd[1]: Finished Ubuntu Advantage APT and MOTD Messages. Jul 26 20:28:00 marco-MS-7817 kernel: usb 5-1.3.4: USB disconnect, device number 8 --------------------------------------------------------------------------------- My system: - System: Host: marco-MS-7817 Kernel: 5.4.0-80-lowlatency x86_64 bits: 64 Desktop: Xfce 4.14.2 - Distro: Ubuntu 20.04.2 LTS (Focal Fossa) - Machine: Type: Desktop Mobo: MSI model: H81M-E34 (MS-7817) v: 3.0 serial: <superuser/root required> - BIOS: American Megatrends v: 17.5 date: 03/30/2015 - CPU: Topology: Quad Core model: Intel Core i5-4460 bits: 64 type: MCP L2 cache: 6144 KiB - Speed: 3200 MHz min/max: 800/3200 MHz Core speeds (MHz): 1: 3200 2: 3200 3: 3201 4: 3201 - Graphics: Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics driver: i915 v: kernel - Display: x11 server: X.Org 1.20.9 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~60Hz - OpenGL: renderer: Mesa DRI Intel HD Graphics 4600 (HSW GT2) v: 4.5 Mesa 20.2.6 - Audio: Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio driver: snd_hda_intel - Device-2: BEHRINGER UMC204HD 192k type: USB driver: snd-usb-audio - Device-3: AKAI Professional M.I. type: USB driver: hid-generic,snd-usb-audio,usbhid - Sound Server: ALSA v: k5.4.0-80-lowlatency - Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet driver: r8168 - IF: enp2s0 state: up speed: 1000 Mbps duplex: full mac: d8:cb:8a:e8:e9:99 - Drives: Local Storage: total: 538.03 GiB used: 219.96 GiB (40.9%) - ID-1: /dev/sda vendor: Samsung model: SSD 850 EVO 250GB size: 232.89 GiB - ID-2: /dev/sdb type: USB vendor: Samsung model: Portable SSD T5 size: 232.89 GiB - ID-3: /dev/sdc type: USB vendor: SanDisk model: Ultra size: 57.30 GiB - ID-4: /dev/sdd type: USB vendor: SanDisk model: U3 Cruzer Micro size: 14.95 GiB - Partition: ID-1: / size: 36.41 GiB used: 14.84 GiB (40.8%) fs: ext4 dev: /dev/sda1 - ID-2: /home size: 184.23 GiB used: 116.46 GiB (63.2%) fs: ext4 dev: /dev/sda6 - ID-3: swap-1 size: 7.45 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda5 - Sensors: System Temperatures: cpu: 36.0 C mobo: N/A - Fan Speeds (RPM): N/A - Info: Processes: 227 Uptime: 15m Memory: 7.23 GiB used: 1.39 GiB (19.2%) Shell: bash inxi: 3.0.38 + System: Host: marco-MS-7817 Kernel: 5.4.0-80-lowlatency x86_64 bits: 64 Desktop: Xfce 4.14.2 + Distro: Ubuntu 20.04.2 LTS (Focal Fossa) + Machine: Type: Desktop Mobo: MSI model: H81M-E34 (MS-7817) v: 3.0 serial: <superuser/root required> + BIOS: American Megatrends v: 17.5 date: 03/30/2015 + CPU: Topology: Quad Core model: Intel Core i5-4460 bits: 64 type: MCP L2 cache: 6144 KiB + Speed: 3200 MHz min/max: 800/3200 MHz Core speeds (MHz): 1: 3200 2: 3200 3: 3201 4: 3201 + Graphics: Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics driver: i915 v: kernel + Display: x11 server: X.Org 1.20.9 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~60Hz + OpenGL: renderer: Mesa DRI Intel HD Graphics 4600 (HSW GT2) v: 4.5 Mesa 20.2.6 + Audio: Device-1: Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio driver: snd_hda_intel + Device-2: BEHRINGER UMC204HD 192k type: USB driver: snd-usb-audio + Device-3: AKAI Professional M.I. type: USB driver: hid-generic,snd-usb-audio,usbhid + Sound Server: ALSA v: k5.4.0-80-lowlatency + Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet driver: r8168 + IF: enp2s0 state: up speed: 1000 Mbps duplex: full mac: d8:cb:8a:e8:e9:99 + Drives: Local Storage: total: 538.03 GiB used: 219.96 GiB (40.9%) + ID-1: /dev/sda vendor: Samsung model: SSD 850 EVO 250GB size: 232.89 GiB + ID-2: /dev/sdb type: USB vendor: Samsung model: Portable SSD T5 size: 232.89 GiB + ID-3: /dev/sdc type: USB vendor: SanDisk model: Ultra size: 57.30 GiB + ID-4: /dev/sdd type: USB vendor: SanDisk model: U3 Cruzer Micro size: 14.95 GiB + Partition: ID-1: / size: 36.41 GiB used: 14.84 GiB (40.8%) fs: ext4 dev: /dev/sda1 + ID-2: /home size: 184.23 GiB used: 116.46 GiB (63.2%) fs: ext4 dev: /dev/sda6 + ID-3: swap-1 size: 7.45 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda5 + Sensors: System Temperatures: cpu: 36.0 C mobo: N/A + Fan Speeds (RPM): N/A + Info: Processes: 227 Uptime: 15m Memory: 7.23 GiB used: 1.39 GiB (19.2%) Shell: bash inxi: 3.0.38 Description: Ubuntu 20.04.2 LTS Release: 20.04 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1938076 Title: sporadic system freeze after log in To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1938076/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs