[Bug 285681] [Hyper-V] i386 panic during storvsc_xferbuf_prepare()
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Tue, 15 Apr 2025 02:26:35 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285681 --- Comment #32 from commit-hook@FreeBSD.org --- A commit in branch stable/14 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=07c5a2486cc6f8e64715b5d7c31ccfa02f9f3745 commit 07c5a2486cc6f8e64715b5d7c31ccfa02f9f3745 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2025-03-31 10:45:14 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2025-04-15 02:25:24 +0000 hyperv/storvsc: Fix busdma constraints - The BUS_DMA_KEEP_PG_OFFSET flag is needed, since storvsc_xferbuf_prepare() assumes that only the first segment may have a non-zero offset, and that all following segments are page-sized and -aligned. - storvsc_xferbuf_prepare() handles 64-bit bus addresses, so avoid unneeded bouncing on i386. PR: 285681 Reported by: dim Tested by: dim, whu MFC after: 2 weeks (cherry picked from commit a319ba694538a38429115aaaf1d4b3946ea3a8b5) sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) -- You are receiving this mail because: You are the assignee for the bug.