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charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bapt X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 9315ab37fdc1ea7ffb0aeb7835ba1de937c047e4 Auto-Submitted: auto-generated Date: Mon, 14 Sep 2026 06:59:11 +0000 Message-Id: <6aa79b3f.24113.27b3f4cc@gitrepo.freebsd.org> The branch main has been updated by bapt: URL: https://cgit.FreeBSD.org/src/commit/?id=9315ab37fdc1ea7ffb0aeb7835ba1de937c047e4 commit 9315ab37fdc1ea7ffb0aeb7835ba1de937c047e4 Author: Baptiste Daroussin AuthorDate: 2026-09-12 07:01:56 +0000 Commit: Baptiste Daroussin CommitDate: 2026-09-14 06:57:36 +0000 video(4): wake the kqueue knote when a buffer completes selwakeup() only wakes select/poll waiters; it does not notify the kqueue knote registered on the device, so EVFILT_READ never fired when a frame became available. --- sys/dev/video/video.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/dev/video/video.c b/sys/dev/video/video.c index 660e09642110..ed02bbc1e250 100644 --- a/sys/dev/video/video.c +++ b/sys/dev/video/video.c @@ -303,6 +303,7 @@ video_buf_done(struct video_buf *vb, size_t bytesused, uint32_t sequence) vb->state = VB_DONE; STAILQ_INSERT_TAIL(&vd->done, vb, entry); selwakeup(&vd->sel); + KNOTE_LOCKED(&vd->sel.si_note, 0); wakeup(&vd->done); mtx_unlock(&vd->mtx); } @@ -323,6 +324,7 @@ video_buf_error(struct video_buf *vb) vb->state = VB_ERROR; STAILQ_INSERT_TAIL(&vd->done, vb, entry); selwakeup(&vd->sel); + KNOTE_LOCKED(&vd->sel.si_note, 0); wakeup(&vd->done); mtx_unlock(&vd->mtx); }