Date: Thu, 04 Apr 2024 11:16:04 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 277717] kernel using 100% CPU in arc_prune in 13.3 Message-ID: <bug-277717-227-hsM4sP7sCA@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-277717-227@https.bugs.freebsd.org/bugzilla/> References: <bug-277717-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D277717 --- Comment #8 from Trev <fbsdbugs4@sentry.org> --- FreeBSD 13.3-STABLE #4 stable/13-b5e7969b2: Fri Mar 29 20:50:35 AEDT 2024 - The system now locks up more or less every second day during the backup process using ZFS send to send a ZFS snapshot to an external UFS hard disk attached via USB. It is only every second day (more or less) that arc_prune= is consuming 100% of one CPU core and the two things always occur together (ie arc_prune running amok and the system freezing). Mar 31 06:00:00 shadow kernel: umass0: <Seagate GoFlex Desk, class 0/0, rev 2.10/1.00, addr 4> on usbus3 Mar 31 06:00:00 shadow kernel: da0 at umass-sim0 bus 0 scbus3 target 0 lun 0 Mar 31 06:00:00 shadow kernel: da0: <Seagate GoFlex Desk 0D19> Fixed Direct Access SPC-3 SCSI device Mar 31 06:00:00 shadow kernel: da0: Serial Number NA0MBZV8 Mar 31 06:00:00 shadow kernel: da0: 40.000MB/s transfers Mar 31 06:00:00 shadow kernel: da0: 2861588MB (732566645 4096 byte sectors) Mar 31 06:00:00 shadow kernel: da0: quirks=3D0x2<NO_6_BYTE> Mar 31 06:00:30 shadow root[42531]: Start local backup to da0p1 Mar 31 06:34:38 shadow kernel: pid 62306 (seamonkey), jid 0, uid 1001, was killed: a thread waited too long to allocate a page Mar 31 06:37:17 shadow kernel: pid 26160 (smbd), jid 0, uid 0, was killed: a thread waited too long to allocate a page Mar 31 06:38:30 shadow kernel: pid 26033 (named), jid 0, uid 53, was killed= : a thread waited too long to allocate a page Mar 31 06:38:54 shadow kernel: pid 26288 (Xorg), jid 0, uid 0, was killed: a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 26214 (milter-greylist), jid 0, uid 26, = was killed: a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 26268 (tcsh), jid 0, uid 1001, was kille= d: a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 26167 (milter-relay), jid 0, uid 26, was killed: a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 26110 (milter-regex), jid 0, uid 26, was killed: a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 39982 (sendmail), jid 0, uid 0, was kill= ed: a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 40057 (httpd), jid 0, uid 80, was killed= : a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 40000 (httpd), jid 0, uid 80, was killed= : a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 40054 (httpd), jid 0, uid 80, was killed= : a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 42492 (sendmail), jid 0, uid 25, was kil= led: a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 40056 (httpd), jid 0, uid 80, was killed= : a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 40001 (httpd), jid 0, uid 80, was killed= : a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 39999 (httpd), jid 0, uid 80, was killed= : a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 39998 (httpd), jid 0, uid 80, was killed= : a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 43308 (zfs), jid 0, uid 0, was killed: a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 39996 (sendmail), jid 0, uid 25, was kil= led: a thread waited too long to allocate a page Mar 31 07:14:12 shadow kernel: pid 26092 (ntpd), jid 0, uid 0, was killed: a thread waited too long to allocate a page after which the only way to regain access to the server is to turn the power off :( --=20 You are receiving this mail because: You are the assignee for the bug.=
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