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#1 2021-01-08 22:52:50

blacktemplar
Member
Registered: 2015-09-20
Posts: 3

Random system freezes on Dell Precision 3550

I got a new Dell Precision 3550 in October and after installing Arch Linux with KDE on it I sometimes got random system freezes (mouse or keyboard not responding anymore). Either the freezes resolved after a short time or I could unfreeze it by switching to console (CTRL+ALT+F2) and then switching back (CTRL+ALT+F1). But since around one week those freezes got worse in the sense that I cannot switch to console anymore and they also don't unfreeze after some time. I can ssh onto the machine and the last time I did the following:

Using top I saw that Xorg is using ~60% CPU which seems weird.
Trying to kill the Xorg process didn't succeed.
This is the relevant output of dmesg -HT:

[Fri Jan  8 19:02:04 2021] audit: type=1100 audit(1610128924.735:433): pid=184261 uid=0 auid=4294967295 ses=4294967295 msg='op=PAM:authentication grantors=pam_shells,pam_faillock,pam_permit,pam_faillock acct="xxx" exe="/usr/bin/sshd" hostname=192.168.0.164 addr=192.168.0.164 terminal=ssh res=success'
[Fri Jan  8 19:02:04 2021] audit: type=1101 audit(1610128924.739:434): pid=184261 uid=0 auid=4294967295 ses=4294967295 msg='op=PAM:accounting grantors=pam_access,pam_unix,pam_permit,pam_time acct="xxx" exe="/usr/bin/sshd" hostname=192.168.0.164 addr=192.168.0.164 terminal=ssh res=success'
[Fri Jan  8 19:02:04 2021] audit: type=1103 audit(1610128924.739:435): pid=184261 uid=0 auid=4294967295 ses=4294967295 msg='op=PAM:setcred grantors=pam_shells,pam_faillock,pam_permit,pam_faillock acct="xxx" exe="/usr/bin/sshd" hostname=192.168.0.164 addr=192.168.0.164 terminal=ssh res=success'
[Fri Jan  8 19:02:04 2021] audit: type=1006 audit(1610128924.739:436): pid=184261 uid=0 old-auid=4294967295 auid=1000 tty=(none) old-ses=4294967295 ses=14 res=1
[Fri Jan  8 19:02:04 2021] audit: type=1105 audit(1610128924.745:437): pid=184261 uid=0 auid=1000 ses=14 msg='op=PAM:session_open grantors=pam_loginuid,pam_keyinit,pam_limits,pam_unix,pam_permit,pam_mail,pam_systemd,pam_env acct="xxx" exe="/usr/bin/sshd" hostname=192.168.0.164 addr=192.168.0.164 terminal=ssh res=success'
[Fri Jan  8 19:02:04 2021] audit: type=1103 audit(1610128924.745:438): pid=184335 uid=0 auid=1000 ses=14 msg='op=PAM:setcred grantors=pam_shells,pam_faillock,pam_permit,pam_faillock acct="xxx" exe="/usr/bin/sshd" hostname=192.168.0.164 addr=192.168.0.164 terminal=ssh res=success'
[Fri Jan  8 19:02:39 2021] audit: type=1130 audit(1610128960.096:439): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[Fri Jan  8 19:02:49 2021] audit: type=1131 audit(1610128970.163:440): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[Fri Jan  8 19:03:40 2021] audit: type=1100 audit(1610129021.376:442): pid=184626 uid=1000 auid=1000 ses=14 msg='op=PAM:authentication grantors=pam_faillock,pam_permit,pam_faillock acct="xxx" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:03:40 2021] audit: type=1101 audit(1610129021.380:443): pid=184626 uid=1000 auid=1000 ses=14 msg='op=PAM:accounting grantors=pam_unix,pam_permit,pam_time acct="xxx" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:03:40 2021] audit: type=1110 audit(1610129021.380:444): pid=184626 uid=1000 auid=1000 ses=14 msg='op=PAM:setcred grantors=pam_faillock,pam_permit,pam_faillock acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:03:40 2021] audit: type=1105 audit(1610129021.380:445): pid=184626 uid=1000 auid=1000 ses=14 msg='op=PAM:session_open grantors=pam_limits,pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:03:40 2021] audit: type=1106 audit(1610129021.380:446): pid=184626 uid=1000 auid=1000 ses=14 msg='op=PAM:session_close grantors=pam_limits,pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:03:40 2021] audit: type=1104 audit(1610129021.380:447): pid=184626 uid=1000 auid=1000 ses=14 msg='op=PAM:setcred grantors=pam_faillock,pam_permit,pam_faillock acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:04:04 2021] audit: type=1101 audit(1610129045.360:448): pid=185161 uid=1000 auid=1000 ses=14 msg='op=PAM:accounting grantors=pam_unix,pam_permit,pam_time acct="xxx" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:04:04 2021] audit: type=1110 audit(1610129045.360:449): pid=185161 uid=1000 auid=1000 ses=14 msg='op=PAM:setcred grantors=pam_faillock,pam_permit,pam_env,pam_faillock acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:04:04 2021] audit: type=1105 audit(1610129045.360:450): pid=185161 uid=1000 auid=1000 ses=14 msg='op=PAM:session_open grantors=pam_limits,pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:05:05 2021] audit: type=1106 audit(1610129106.087:451): pid=185161 uid=1000 auid=1000 ses=14 msg='op=PAM:session_close grantors=pam_limits,pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:05:05 2021] audit: type=1104 audit(1610129106.087:452): pid=185161 uid=1000 auid=1000 ses=14 msg='op=PAM:setcred grantors=pam_faillock,pam_permit,pam_env,pam_faillock acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:05:11 2021] audit: type=1101 audit(1610129112.281:453): pid=185617 uid=1000 auid=1000 ses=14 msg='op=PAM:accounting grantors=pam_unix,pam_permit,pam_time acct="xxx" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:05:11 2021] audit: type=1110 audit(1610129112.281:454): pid=185617 uid=1000 auid=1000 ses=14 msg='op=PAM:setcred grantors=pam_faillock,pam_permit,pam_env,pam_faillock acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:05:11 2021] audit: type=1105 audit(1610129112.281:455): pid=185617 uid=1000 auid=1000 ses=14 msg='op=PAM:session_open grantors=pam_limits,pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:05:13 2021] INFO: task kworker/1:1H:352 blocked for more than 122 seconds.
[Fri Jan  8 19:05:13 2021]       Tainted: P        W  OE     5.10.5-arch1-1 #1
[Fri Jan  8 19:05:13 2021] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[Fri Jan  8 19:05:13 2021] task:kworker/1:1H    state:D stack:    0 pid:  352 ppid:     2 flags:0x00004000
[Fri Jan  8 19:05:13 2021] Workqueue: events_highpri intel_atomic_cleanup_work [i915]
[Fri Jan  8 19:05:13 2021] Call Trace:
[Fri Jan  8 19:05:13 2021]  __schedule+0x295/0x810
[Fri Jan  8 19:05:13 2021]  schedule+0x5b/0xc0
[Fri Jan  8 19:05:13 2021]  schedule_preempt_disabled+0x11/0x20
[Fri Jan  8 19:05:13 2021]  __ww_mutex_lock.constprop.0+0x4bd/0x810
[Fri Jan  8 19:05:13 2021]  intel_unpin_fb_vma+0x25/0xa0 [i915]
[Fri Jan  8 19:05:13 2021]  drm_atomic_helper_cleanup_planes+0x52/0x70 [drm_kms_helper]
[Fri Jan  8 19:05:13 2021]  intel_atomic_cleanup_work+0x67/0x110 [i915]
[Fri Jan  8 19:05:13 2021]  process_one_work+0x1d6/0x3a0
[Fri Jan  8 19:05:13 2021]  worker_thread+0x4d/0x3d0
[Fri Jan  8 19:05:13 2021]  ? rescuer_thread+0x410/0x410
[Fri Jan  8 19:05:13 2021]  kthread+0x133/0x150
[Fri Jan  8 19:05:13 2021]  ? __kthread_bind_mask+0x60/0x60
[Fri Jan  8 19:05:13 2021]  ret_from_fork+0x1f/0x30
[Fri Jan  8 19:05:48 2021] audit: type=1106 audit(1610129149.331:456): pid=185617 uid=1000 auid=1000 ses=14 msg='op=PAM:session_close grantors=pam_limits,pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:05:48 2021] audit: type=1104 audit(1610129149.331:457): pid=185617 uid=1000 auid=1000 ses=14 msg='op=PAM:setcred grantors=pam_faillock,pam_permit,pam_env,pam_faillock acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:07:16 2021] INFO: task kworker/1:1H:352 blocked for more than 245 seconds.
[Fri Jan  8 19:07:16 2021]       Tainted: P        W  OE     5.10.5-arch1-1 #1
[Fri Jan  8 19:07:16 2021] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[Fri Jan  8 19:07:16 2021] task:kworker/1:1H    state:D stack:    0 pid:  352 ppid:     2 flags:0x00004000
[Fri Jan  8 19:07:16 2021] Workqueue: events_highpri intel_atomic_cleanup_work [i915]
[Fri Jan  8 19:07:16 2021] Call Trace:
[Fri Jan  8 19:07:16 2021]  __schedule+0x295/0x810
[Fri Jan  8 19:07:16 2021]  schedule+0x5b/0xc0
[Fri Jan  8 19:07:16 2021]  schedule_preempt_disabled+0x11/0x20
[Fri Jan  8 19:07:16 2021]  __ww_mutex_lock.constprop.0+0x4bd/0x810
[Fri Jan  8 19:07:16 2021]  intel_unpin_fb_vma+0x25/0xa0 [i915]
[Fri Jan  8 19:07:16 2021]  drm_atomic_helper_cleanup_planes+0x52/0x70 [drm_kms_helper]
[Fri Jan  8 19:07:16 2021]  intel_atomic_cleanup_work+0x67/0x110 [i915]
[Fri Jan  8 19:07:16 2021]  process_one_work+0x1d6/0x3a0
[Fri Jan  8 19:07:16 2021]  worker_thread+0x4d/0x3d0
[Fri Jan  8 19:07:16 2021]  ? rescuer_thread+0x410/0x410
[Fri Jan  8 19:07:16 2021]  kthread+0x133/0x150
[Fri Jan  8 19:07:16 2021]  ? __kthread_bind_mask+0x60/0x60
[Fri Jan  8 19:07:16 2021]  ret_from_fork+0x1f/0x30
[Fri Jan  8 19:07:17 2021] audit: type=1101 audit(1610129237.535:458): pid=186456 uid=1000 auid=1000 ses=14 msg='op=PAM:accounting grantors=pam_unix,pam_permit,pam_time acct="xxx" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:07:17 2021] audit: type=1110 audit(1610129237.535:459): pid=186456 uid=1000 auid=1000 ses=14 msg='op=PAM:setcred grantors=pam_faillock,pam_permit,pam_env,pam_faillock acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'
[Fri Jan  8 19:07:17 2021] audit: type=1105 audit(1610129237.535:460): pid=186456 uid=1000 auid=1000 ses=14 msg='op=PAM:session_open grantors=pam_limits,pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/11 res=success'

Then I tried restarting using `reboot` via ssh which didn't succeed and finally I restarted using the Magic SysRq key Alt+SysRq+b.

If anybody can help me with an idea what I could try to fix this problem that would so helpful. If you need any other information I will provide it smile.

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#2 2021-01-08 23:17:23

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 11,851

Re: Random system freezes on Dell Precision 3550

Please search the boards this is probably the fifth thread today:  https://bbs.archlinux.org/viewtopic.php?id=262456

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