Hi, I’m still stuck on Kernel 5.4
Normally I am on the newest available Kernel but every new version and subversion does crash/freeze my system after awaking from suspend/sleep
Also the new Kernel 5.9
Kernel 5.4 is rock solid however.
I have an AMD RX 570 graphics card, am using ZFS as well as an OPAL NVME drive with Onboard encryption and 2 Monitors (I read there was a problem with multiple monitors and AMD on some kernels, but this is supposedly fixed)
Full system stats: (On stable kernel)
inxi -Fxzc0
System:
Kernel: 5.4.74-1-MANJARO x86_64 bits: 64 compiler: gcc v: 10.2.0
Console: tty 0 Distro: Manjaro Linux
Machine:
Type: Desktop Mobo: ASRock model: X370 Professional Gaming
serial: <filter> UEFI: American Megatrends v: P3.30 date: 01/15/2018
CPU:
Info: 8-Core model: AMD Ryzen 7 1800X bits: 64 type: MT MCP arch: Zen
rev: 1 L2 cache: 4096 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
bogomips: 115245
Speed: 2725 MHz min/max: 2200/3600 MHz boost: enabled Core speeds (MHz):
1: 2725 2: 2674 3: 2025 4: 1909 5: 1928 6: 1914 7: 1951 8: 2063 9: 1910
10: 1868 11: 1850 12: 1850 13: 1853 14: 1846 15: 1886 16: 1888
Graphics:
Device-1: AMD Ellesmere [Radeon RX 470/480/570/570X/580/580X/590]
vendor: Micro-Star MSI driver: amdgpu v: kernel bus ID: 0e:00.0
Display: server: X.org 1.20.9 driver: amdgpu FAILED: ati
unloaded: modesetting tty: 80x24
Message: Advanced graphics data unavailable in console for root.
Audio:
Device-1: AMD Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590]
vendor: Micro-Star MSI driver: snd_hda_intel v: kernel bus ID: 0e:00.1
Device-2: AMD Family 17h HD Audio vendor: ASRock driver: snd_hda_intel
v: kernel bus ID: 12:00.3
Device-3: Plantronics Plantronics GameCom 780 type: USB
driver: plantronics,snd-usb-audio,usbhid bus ID: 3-3:3
Sound Server: ALSA v: k5.4.74-1-MANJARO
Network:
Device-1: Aquantia AQC108 NBase-T/IEEE 802.3bz Ethernet [AQtion]
vendor: ASRock driver: atlantic v: 5.4.74-1-MANJARO-kern port: N/A
bus ID: 05:00.0
IF: enp5s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
Device-2: Intel Dual Band Wireless-AC 3168NGW [Stone Peak] driver: iwlwifi
v: kernel port: e000 bus ID: 09:00.0
IF: wlp9s0 state: down mac: <filter>
Device-3: Intel I211 Gigabit Network vendor: ASRock driver: igb v: 5.6.0-k
port: d000 bus ID: 0b:00.0
IF: enp11s0 state: down mac: <filter>
IF-ID-1: wg0 state: unknown speed: N/A duplex: N/A mac: N/A
Drives:
Local Storage: total: 40.02 TiB used: 14.66 TiB (36.6%)
ID-1: /dev/nvme0n1 vendor: Samsung model: SSD 960 EVO 500GB
size: 465.76 GiB
ID-2: /dev/sda vendor: Seagate model: ST10000VN0004-1ZD101 size: 9.10 TiB
ID-3: /dev/sdb type: USB vendor: JMicron Tech model: Generic
size: 465.76 GiB
ID-4: /dev/sdc vendor: Seagate model: ST10000VN0004-1ZD101 size: 9.10 TiB
ID-5: /dev/sdd vendor: Seagate model: ST10000VN0004-1ZD101 size: 9.10 TiB
ID-6: /dev/sde vendor: Western Digital model: WD30EFRX-68EUZN0
size: 2.73 TiB
ID-7: /dev/sdf vendor: Seagate model: ST10000VN0004-1ZD101 size: 9.10 TiB
RAID:
Device-1: tank type: zfs status: ONLINE size: 36.20 TiB free: 5.32 TiB
Components: online: N/A
Partition:
ID-1: / size: 455.16 GiB used: 302.32 GiB (66.4%) fs: ext4
dev: /dev/nvme0n1p2
Swap:
Alert: No Swap data was found.
Sensors:
System Temperatures: cpu: 48.6 C mobo: 42.0 C gpu: amdgpu temp: 53.0 C
Fan Speeds (RPM): fan-1: 873 fan-2: 829 fan-3: 734 fan-4: 0 fan-5: 705
gpu: amdgpu fan: 1039
Power: 12v: N/A 5v: N/A 3.3v: 3.34 vbat: 3.28
Info:
Processes: 551 Uptime: 4m Memory: 62.81 GiB used: 5.26 GiB (8.4%)
Init: systemd Compilers: gcc: 10.2.0 Packages: 1671 Shell: Bash v: 5.0.18
inxi: 3.1.08
Logs:
The first noteworthy error happened during the process of going to sleep mode:
Nov 08 00:02:31 ****.****.de systemd-coredump[24739]: Process 4620 (ksystemstats) of user 1001 dumped core.
Stack trace of thread 4620:
#0 0x00007fc8f3cfe00b _ZNK15AggregateSensor5valueEv (libksgrdbackend.so + 0x700b)
#1 0x000055fd447fa942 n/a (ksystemstats + 0xb942)
#2 0x00007fc8f3a0a036 n/a (libQt5Core.so.5 + 0x2eb036)
#3 0x00007fc8f3cfdad7 n/a (libksgrdbackend.so + 0x6ad7)
#4 0x00007fc8f3a0e143 n/a (libQt5Core.so.5 + 0x2ef143)
#5 0x00007fc8f39ff71f _ZN7QObject5eventEP6QEvent (libQt5Core.so.5 + 0x2e071f)
#6 0x00007fc8f39d2cb0 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 + 0x2b3cb0)
#7 0x00007fc8f3a2acc5 _ZN14QTimerInfoList14activateTimersEv (libQt5Core.so.5 + 0x30bcc5)
#8 0x00007fc8f3a2b572 n/a (libQt5Core.so.5 + 0x30c572)
#9 0x00007fc8f298c914 g_main_context_dispatch (libglib-2.0.so.0 + 0x52914)
#10 0x00007fc8f29e07d1 n/a (libglib-2.0.so.0 + 0xa67d1)
#11 0x00007fc8f298b121 g_main_context_iteration (libglib-2.0.so.0 + 0x51121)
#12 0x00007fc8f3a2b941 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30c941)
#13 0x00007fc8f39d165c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b265c)
#14 0x00007fc8f39d9af4 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2baaf4)
#15 0x000055fd447f4073 n/a (ksystemstats + 0x5073)
#16 0x00007fc8f33a1152 __libc_start_main (libc.so.6 + 0x28152)
#17 0x000055fd447f40de _start (ksystemstats + 0x50de)
Stack trace of thread 4621:
#0 0x00007fc8f346e46f __poll (libc.so.6 + 0xf546f)
#1 0x00007fc8f29e075f n/a (libglib-2.0.so.0 + 0xa675f)
#2 0x00007fc8f298b121 g_main_context_iteration (libglib-2.0.so.0 + 0x51121)
#3 0x00007fc8f3a2b941 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30c941)
#4 0x00007fc8f39d165c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b265c)
#5 0x00007fc8f37ebca2 _ZN7QThread4execEv (libQt5Core.so.5 + 0xccca2)
#6 0x00007fc8f3c88098 n/a (libQt5DBus.so.5 + 0x17098)
#7 0x00007fc8f37ece8f n/a (libQt5Core.so.5 + 0xcde8f)
#8 0x00007fc8f335e3e9 start_thread (libpthread.so.0 + 0x93e9)
#9 0x00007fc8f3479293 __clone (libc.so.6 + 0x100293)
Then during wake-up I first get this:
Nov 08 16:54:48 ****.****.de kernel: iommu ivhd0: AMD-Vi: Event logged [INVALID_DEVICE_REQUEST device=00:00.0 pasid=0x00000 address=0xfffffffdf8000000 flags=0x
Followed by this: Network adapter seems totally down
Nov 08 16:54:48 ****.****.de nmbd[2153]: [2020/11/08 16:54:48.160717, 0] ../../source3/libsmb/nmblib.c:922(send_udp)
Nov 08 16:54:48 ****.****.de nmbd[2153]: Packet send failed to 192.168.0.255(138) ERRNO=Network is unreachable
Nov 08 16:54:48 ****.****.de nmbd[2153]: [2020/11/08 16:54:48.164723, 0] ../../source3/libsmb/nmblib.c:922(send_udp)
Nov 08 16:54:48 ****.****.de nmbd[2153]: Packet send failed to 192.168.0.255(137) ERRNO=Network is unreachable
Nov 08 16:54:48 ****.****.de nmbd[2153]: [2020/11/08 16:54:48.164766, 0] ../../source3/nmbd/nmbd_packets.c:179(send_netbios_packet)
Nov 08 16:54:48 ****.****.de nmbd[2153]: send_netbios_packet: send_packet() to IP 192.168.0.255 port 137 failed
Nov 08 16:54:48 ****.****.de nmbd[2153]: [2020/11/08 16:54:48.164788, 0] ../../source3/nmbd/nmbd_namequery.c:245(query_name)
Nov 08 16:54:48 ****.****.de nmbd[2153]: query_name: Failed to send packet trying to query name WORKGROUP<1d>
Nov 08 16:54:48 ****.****.de nmbd[2153]: [2020/11/08 16:54:48.165136, 0] ../../source3/nmbd/nmbd.c:359(reload_interfaces)
Nov 08 16:54:48 ****.****.de nmbd[2153]: reload_interfaces: No subnets to listen to. Waiting..
And finally this: kernel NULL pointer dereference
Nov 08 16:55:04 ****.****.de kernel: BUG: kernel NULL pointer dereference, address: 0000000000000008
Nov 08 16:55:04 ****.****.de kernel: #PF: supervisor read access in kernel mode
Nov 08 16:55:04 ****.****.de kernel: #PF: error_code(0x0000) - not-present page
Nov 08 16:55:04 ****.****.de kernel: PGD 0 P4D 0
Nov 08 16:55:04 ****.****.de kernel: Oops: 0000 [#1] PREEMPT SMP NOPTI
Nov 08 16:55:04 ****.****.de kernel: CPU: 0 PID: 1640 Comm: NetworkManager Tainted: P OE 5.9.3-1-MANJARO #1
Nov 08 16:55:04 ****.****.de kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./X370 Professional Gaming, BIOS P3.30 01/15/2018
Nov 08 16:55:04 ****.****.de kernel: RIP: 0010:aq_ring_rx_fill+0xd1/0x200 [atlantic]
Nov 08 16:55:04 ****.****.de kernel: Code: 45 24 ba 00 00 00 00 83 c0 01 3b 45 28 48 0f 43 c2 89 45 24 41 83 ee 01 0f 84 f3 00 00 00 48 8d 1c 40 48 c1 e3 04 48 03 5d 00 <48> 8b 43 08 48 c7 43 28 00 08 00 00 48 85 c0 75 85 48 8b 45 10 31
Nov 08 16:55:04 ****.****.de kernel: RSP: 0018:ffffa7f793fbf390 EFLAGS: 00010246
Nov 08 16:55:04 ****.****.de kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
Nov 08 16:55:04 ****.****.de kernel: RDX: 0000000000000000 RSI: 0000000000006100 RDI: ffff8eb715f0d3b8
Nov 08 16:55:04 ****.****.de kernel: RBP: ffff8eb715f0d3b8 R08: 0000000000000000 R09: 0000000000008000
Nov 08 16:55:04 ****.****.de kernel: R10: 00000000ffffffff R11: ffffcd3db52933c0 R12: 0000000000001000
Nov 08 16:55:04 ****.****.de kernel: R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000
Nov 08 16:55:04 ****.****.de kernel: FS: 00007ff8aaed18c0(0000) GS:ffff8eb71ee00000(0000) knlGS:0000000000000000
Nov 08 16:55:04 ****.****.de kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Nov 08 16:55:04 ****.****.de kernel: CR2: 0000000000000008 CR3: 0000000fa5f0e000 CR4: 00000000003506f0
Nov 08 16:55:04 ****.****.de kernel: Call Trace:
Nov 08 16:55:04 ****.****.de kernel: aq_vec_init+0x8c/0xf0 [atlantic]
Nov 08 16:55:04 ****.****.de kernel: aq_nic_init+0xc3/0x1c0 [atlantic]
Nov 08 16:55:04 ****.****.de kernel: aq_ndev_open+0x19/0x60 [atlantic]
Nov 08 16:55:04 ****.****.de kernel: __dev_open+0xfb/0x1b0
Nov 08 16:55:04 ****.****.de kernel: __dev_change_flags+0x1a5/0x210
Nov 08 16:55:04 ****.****.de kernel: dev_change_flags+0x21/0x60
Nov 08 16:55:04 ****.****.de kernel: do_setlink+0x2bc/0x1160
Nov 08 16:55:04 ****.****.de kernel: ? __kmalloc_node_track_caller+0x178/0x340
Nov 08 16:55:04 ****.****.de kernel: ? __nla_validate_parse+0x5f/0x910
Nov 08 16:55:04 ****.****.de kernel: __rtnl_newlink+0x65f/0x9e0
Nov 08 16:55:04 ****.****.de kernel: rtnl_newlink+0x44/0x70
Nov 08 16:55:04 ****.****.de kernel: rtnetlink_rcv_msg+0x13e/0x390
Nov 08 16:55:04 ****.****.de kernel: ? rtnl_calcit.isra.0+0x120/0x120
Nov 08 16:55:04 ****.****.de kernel: netlink_rcv_skb+0x75/0x140
Nov 08 16:55:04 ****.****.de kernel: netlink_unicast+0x242/0x340
Nov 08 16:55:04 ****.****.de kernel: netlink_sendmsg+0x243/0x480
Nov 08 16:55:04 ****.****.de kernel: sock_sendmsg+0x5e/0x60
Nov 08 16:55:04 ****.****.de kernel: ____sys_sendmsg+0x25a/0x2a0
Nov 08 16:55:04 ****.****.de kernel: ? copy_msghdr_from_user+0x6e/0xa0
Nov 08 16:55:04 ****.****.de kernel: ___sys_sendmsg+0x97/0xe0
Nov 08 16:55:04 ****.****.de kernel: ? addrconf_sysctl_forward+0x12b/0x270
Nov 08 16:55:04 ****.****.de kernel: __sys_sendmsg+0x81/0xd0
Nov 08 16:55:04 ****.****.de kernel: do_syscall_64+0x33/0x40
Nov 08 16:55:04 ****.****.de kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Nov 08 16:55:04 ****.****.de kernel: RIP: 0033:0x7ff8abbddddd
Nov 08 16:55:04 ****.****.de kernel: Code: 28 89 54 24 1c 48 89 74 24 10 89 7c 24 08 e8 4a ee ff ff 8b 54 24 1c 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 33 44 89 c7 48 89 44 24 08 e8 9e ee ff ff 48
Nov 08 16:55:04 ****.****.de kernel: RSP: 002b:00007ffe0ef415b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e
Nov 08 16:55:04 ****.****.de kernel: RAX: ffffffffffffffda RBX: 000055c5045ca030 RCX: 00007ff8abbddddd
Nov 08 16:55:04 ****.****.de kernel: RDX: 0000000000000000 RSI: 00007ffe0ef415f0 RDI: 000000000000000c
Nov 08 16:55:04 ****.****.de kernel: RBP: 0000000000000134 R08: 0000000000000000 R09: 0000000000000000
Nov 08 16:55:04 ****.****.de kernel: R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
Nov 08 16:55:04 ****.****.de kernel: R13: 00007ffe0ef41740 R14: 00007ffe0ef4173c R15: 0000000000000000
Nov 08 16:55:04 ****.****.de kernel: Modules linked in: rfcomm snd_seq_dummy snd_hrtimer snd_seq fuse cmac algif_hash algif_skcipher af_alg bnep nct6775 hwmon_vid dm_crypt cbc encrypted_keys trusted tpm hid_plantronics 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 snd_usb_audio snd_usbmidi_lib snd_rawmidi joydev mousedev snd_seq_d>
Nov 08 16:55:04 ****.****.de kernel: cfg80211 drm_kms_helper snd_hda_core snd_hwdep snd_pcm igb cec rc_core snd_timer rapl atlantic syscopyarea snd sysfillrect k10temp pcspkr sp5100_tco sysimgblt i2c_algo_bit soundcore rfkill fb_sys_fops i2c_piix4 dca macsec wmi pinctrl_amd gpio_amdpt evdev mac_hid acpi_cpufreq zcommon(POE) znvpair(POE) spl(OE) uinput vboxnetflt(OE) vboxnetadp(OE) nfsd auth_rpcgss vboxdrv(OE) nfs_acl lockd grace drm videodev sunrpc mc sg crypto_>
Nov 08 16:55:04 ****.****.de kernel: CR2: 0000000000000008
Nov 08 16:55:04 ****.****.de kernel: ---[ end trace 45c10b91ba3505ab ]---
Nov 08 16:55:04 ****.****.de kernel: RIP: 0010:aq_ring_rx_fill+0xd1/0x200 [atlantic]
Nov 08 16:55:04 ****.****.de kernel: Code: 45 24 ba 00 00 00 00 83 c0 01 3b 45 28 48 0f 43 c2 89 45 24 41 83 ee 01 0f 84 f3 00 00 00 48 8d 1c 40 48 c1 e3 04 48 03 5d 00 <48> 8b 43 08 48 c7 43 28 00 08 00 00 48 85 c0 75 85 48 8b 45 10 31
Nov 08 16:55:04 ****.****.de kernel: RSP: 0018:ffffa7f793fbf390 EFLAGS: 00010246
Nov 08 16:55:04 ****.****.de kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
Nov 08 16:55:04 ****.****.de kernel: RDX: 0000000000000000 RSI: 0000000000006100 RDI: ffff8eb715f0d3b8
Nov 08 16:55:04 ****.****.de kernel: RBP: ffff8eb715f0d3b8 R08: 0000000000000000 R09: 0000000000008000
Nov 08 16:55:04 ****.****.de kernel: R10: 00000000ffffffff R11: ffffcd3db52933c0 R12: 0000000000001000
Nov 08 16:55:04 ****.****.de kernel: R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000
Nov 08 16:55:04 ****.****.de kernel: FS: 00007ff8aaed18c0(0000) GS:ffff8eb71ee00000(0000) knlGS:0000000000000000
Nov 08 16:55:04 ****.****.de kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Nov 08 16:55:04 ****.****.de kernel: CR2: 0000000000000008 CR3: 0000000fa5f0e000 CR4: 00000000003506f0
Then when trying to go to sleep again:
Nov 08 17:02:22 ****.****.de kwin_x11[2847]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 22365, resource id: 127926277, major code: 18 (ChangeProperty), minor code: 0
Nov 08 17:02:29 ****.****.de systemd-sleep[29176]: Suspending system...
Nov 08 17:02:29 ****.****.de kernel: PM: suspend entry (deep)
Nov 08 17:02:29 ****.****.de kernel: Filesystems sync: 0.016 seconds
Nov 08 17:02:50 ****.****.de kernel: Freezing user space processes ...
Nov 08 17:02:50 ****.****.de kernel: Freezing of tasks failed after 20.008 seconds (26 tasks refusing to freeze, wq_busy=0):
Nov 08 17:02:50 ****.****.de kernel: task:nmbd state:D stack: 0 pid: 2153 ppid: 1 flags:0x00000084
Nov 08 17:02:50 ****.****.de kernel: Call Trace:
Nov 08 17:02:50 ****.****.de kernel: __schedule+0x292/0x830
Nov 08 17:02:50 ****.****.de kernel: schedule+0x46/0xf0
Nov 08 17:02:50 ****.****.de kernel: schedule_preempt_disabled+0x14/0x20
Nov 08 17:02:50 ****.****.de kernel: __mutex_lock.constprop.0+0x180/0x530
Nov 08 17:02:50 ****.****.de kernel: __netlink_dump_start+0xca/0x2d0
Nov 08 17:02:50 ****.****.de kernel: ? rtnl_fill_ifinfo+0x1410/0x1410
Nov 08 17:02:50 ****.****.de kernel: rtnetlink_rcv_msg+0x288/0x390
Nov 08 17:02:50 ****.****.de kernel: ? rtnl_fill_ifinfo+0x1410/0x1410
Nov 08 17:02:50 ****.****.de kernel: ? rtnl_calcit.isra.0+0x120/0x120
Nov 08 17:02:50 ****.****.de kernel: netlink_rcv_skb+0x75/0x140
Nov 08 17:02:50 ****.****.de kernel: netlink_unicast+0x242/0x340
Nov 08 17:02:50 ****.****.de kernel: netlink_sendmsg+0x243/0x480
Nov 08 17:02:50 ****.****.de kernel: sock_sendmsg+0x5e/0x60
Nov 08 17:02:50 ****.****.de kernel: __sys_sendto+0x120/0x180
Nov 08 17:02:50 ****.****.de kernel: __x64_sys_sendto+0x25/0x30
Nov 08 17:02:50 ****.****.de kernel: do_syscall_64+0x33/0x40
Nov 08 17:02:50 ****.****.de kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Nov 08 17:02:50 ****.****.de kernel: RIP: 0033:0x7f0dd5b2e88a
Nov 08 17:02:50 ****.****.de kernel: Code: Unable to access opcode bytes at RIP 0x7f0dd5b2e860.
Nov 08 17:02:50 ****.****.de kernel: RSP: 002b:00007ffcde5f9168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
Nov 08 17:02:50 ****.****.de kernel: RAX: ffffffffffffffda RBX: 00007ffcde5fa2c0 RCX: 00007f0dd5b2e88a
Nov 08 17:02:50 ****.****.de kernel: RDX: 0000000000000014 RSI: 00007ffcde5fa200 RDI: 000000000000000f
Nov 08 17:02:50 ****.****.de kernel: RBP: 00007ffcde5fa250 R08: 00007ffcde5fa1c0 R09: 000000000000000c
Nov 08 17:02:50 ****.****.de kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcde5fa1c0
Nov 08 17:02:50 ****.****.de kernel: R13: 00007ffcde5fa200 R14: 00007ffcde5fa5a0 R15: 00007ffcde5f9170
Nov 08 17:02:50 ****.****.de kernel: task:Qt bearer threa state:D stack: 0 pid: 2880 ppid: 1 flags:0x00000084
... 23 tasks listed in similar way
And now the system is frozen. Can’t even enter another TTY