Date: Wed, 04 Oct 2023 23:27:35 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 274271] zfs deadlock while/after writing files Message-ID: <bug-274271-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D274271 Bug ID: 274271 Summary: zfs deadlock while/after writing files Product: Base System Version: 13.2-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: pmc@citylink.dinoex.sub.org After building ports for 47+ hours, finally the clone of /usr/ports should = be exported; but then zfs was tired and deadlocked: UID PID PPID C PRI NI VSZ RSS MWCHAN STAT TT TIME COMM 0 40329 41971 13 134 0 302596 151632 select IN+ 3 0:05.97= git -C /var/sysup/mnt/tmp.6.41971 checkout-index -a --prefix=3D/var/sysup/mnt/tmp.8.41971/ 0 40678 40329 14 134 0 0 0 - ZN+ 3 0:02.08 <defunct> 0 40679 40329 10 134 0 0 0 - ZN+ 3 0:02.06 <defunct> 0 40680 40329 0 134 0 0 0 - ZN+ 3 0:02.08 <defunct> 0 40681 40329 8 134 0 682132 165796 zfsvfs-> DN+ 3 0:00.99 /usr/local/libexec/git-core/git checkout--worker --prefix=3D/var/sysup/mnt/tmp.8.41971/ 0 40682 40329 11 134 0 0 0 - ZN+ 3 0:02.35 <defunct> 0 40683 40329 0 134 0 0 0 - ZN+ 3 0:02.37 <defunct> 0 40684 40329 8 134 0 0 0 - ZN+ 3 0:03.11 <defunct> killing of the git process is not possible, umount of the fs is not possibl= e, reboot will also fail (get stuck). scrub of the concerned pool is still possible and shows no errors. Neither = are any errors reported from the disks or the ECC memory. pool: build state: ONLINE scan: scrub repaired 0B in 00:15:11 with 0 errors on Wed Oct 4 23:34:26 = 2023 config: NAME STATE READ WRITE CKSUM build ONLINE 0 0 0 raidz1-0 ONLINE 0 0 0 da3p1.eli ONLINE 0 0 0 da4p1.eli ONLINE 0 0 0 da5p1.eli ONLINE 0 0 0 special mirror-1 ONLINE 0 0 0 ada1p9.elip10 ONLINE 0 0 0 ada6p9.elip10 ONLINE 0 0 0 cache ada3p9.elip6 ONLINE 0 0 0 errors: No known data errors The last command in zpool history before the deadlock is 2023-10-04.22:30:58 zfs create -o mountpoint=3Dlegacy build/tmp.7.41971 This was then legacy-mounted to /var/sysup/mnt/tmp.8.41971/ and the git pro= cess started, which didn't complete. The fileset has received most/all of the data (the other git workers have=20 apparently completed): build/tmp.7.41971 970M 63.0G 970M=20 legacy --=20 You are receiving this mail because: You are the assignee for the bug.=
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