Date: Wed, 16 Mar 2022 04:53:27 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 253175] virtio_random(4): Hangs after shutdown, reboot, halt commands on Vultr / Hetzner / ARP Networks (Qemu) Message-ID: <bug-253175-27103-KzwzHN3Nut@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-253175-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-253175-27103@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253175 --- Comment #37 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3Dadbf7727b3a2aad3c2faa6e543ee7fa7a= 6c9a3d5 commit adbf7727b3a2aad3c2faa6e543ee7fa7a6c9a3d5 Author: Eugene Grosbein <eugen@FreeBSD.org> AuthorDate: 2022-03-16 04:41:51 +0000 Commit: Eugene Grosbein <eugen@FreeBSD.org> CommitDate: 2022-03-16 04:41:51 +0000 virtio_random(8): avoid deadlock at shutdown time 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 MFC after: 3 days sys/dev/virtio/random/virtio_random.c | 35 +++++++++++++++++++++++++++++++= ++++ 1 file changed, 35 insertions(+) --=20 You are receiving this mail because: You are the assignee for the bug.=
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