Date: Sat, 19 Mar 2022 12:38:47 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253175 --- Comment #40 from commit-hook@FreeBSD.org --- A commit in branch releng/13.1 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=fa67c45842bb5d34780a536b1bff1ac64f381562 commit fa67c45842bb5d34780a536b1bff1ac64f381562 Author: Eugene Grosbein <eugen@FreeBSD.org> AuthorDate: 2022-03-16 04:41:51 +0000 Commit: Eugene Grosbein <eugen@FreeBSD.org> CommitDate: 2022-03-19 12:36:26 +0000 virtio_random(8): MFC: avoid deadlock at shutdown time (regression fix) FreeBSD 13+ running as virtual guest may load virtio_random(8) driver by means of devd(8) unless the driver is blacklisted or disabled via device.hints(5). Currently, the driver may prevent the system from rebooting or shutting down correctly. This change deactivates virtio_random at very late stage during system shutdown sequence to avoid deadlock that results in kernel hang. PR: 253175 Tested by: tom Relnotes: yes Approved by: re (gjb) (cherry picked from commit adbf7727b3a2aad3c2faa6e543ee7fa7a6c9a3d5) (cherry picked from commit 4a11315a2c3fc55333772f48aaef32ae1eb11ceb) sys/dev/virtio/random/virtio_random.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) -- You are receiving this mail because: You are the assignee for the bug.