Date: Mon, 31 Mar 2025 11:16:24 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 285681] [Hyper-V] i386 panic during storvsc_xferbuf_prepare() Message-ID: <bug-285681-27103-DIU8TaJrsc@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-285681-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-285681-27103@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285681 --- Comment #29 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=a319ba694538a38429115aaaf1d4b3946ea3a8b5 commit a319ba694538a38429115aaaf1d4b3946ea3a8b5 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2025-03-31 10:45:14 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2025-03-31 11:14:42 +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 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.
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