https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273022
--- Comment #2 from [email protected] --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=cbf845052f1c2862a64e66dbaf38e887a7592474 commit cbf845052f1c2862a64e66dbaf38e887a7592474 Author: Ed Maste <[email protected]> AuthorDate: 2023-08-08 23:42:09 +0000 Commit: Ed Maste <[email protected]> CommitDate: 2023-08-09 17:52:43 +0000 msi: report error for attempt to use APIC ID > 255 The MSI/MSI-X address includes 8 bits to encode the Destination ID. Previously IDs over 255 overlapped with the fixed portion of the address, resulting in an invalid value (and a nonfunctional interrupt). Instead, print an error message and return EINVAL. The interrupt will still not work, but the user will have a clue as to why. PR: 273022 Reviewed by: jhb Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D41395 sys/x86/x86/msi.c | 5 +++++ 1 file changed, 5 insertions(+) -- You are receiving this mail because: You are the assignee for the bug.
