Date: Sun, 23 Apr 2023 17:57:10 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 270472] MS devkit hangs during boot if PAC is enabled Message-ID: <bug-270472-227-R40h5mJpIK@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-270472-227@https.bugs.freebsd.org/bugzilla/> References: <bug-270472-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D270472 --- Comment #2 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D4b39a12830feaf2ac49b157ed079c0411= 4b1a3ca commit 4b39a12830feaf2ac49b157ed079c04114b1a3ca Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2023-04-23 17:32:45 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2023-04-23 17:55:57 +0000 arm64: Disable PAC when booting on a Windows Dev Kit 2023 It appears that PAC registers are configured to trap upon access, but since the kernel starts in EL1 on this platform it has no ability to inspect or modify this configuration. Simply disable PAC on this platform for now, since the kernel otherwise hangs during boot. PR: 270472 Reviewed by: andrew, emaste MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D39748 sys/arm64/arm64/ptrauth.c | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) --=20 You are receiving this mail because: You are the assignee for the bug.=
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