I am pretty sure the bug is real, but the patch may be wrong, please review.
We are doing ->buf_prepare(buf) before adding buf to q->stream list. This means that videobuf_qbuf() should not try to re-add a STATE_PREPARED buffer. Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]> --- 6.19/drivers/media/video/video-buf.c~v4l_lockup 2006-11-17 19:42:25.000000000 +0300 +++ 6.19/drivers/media/video/video-buf.c 2007-01-23 19:44:19.000000000 +0300 @@ -700,6 +700,7 @@ videobuf_qbuf(struct videobuf_queue *q, goto done; } if (buf->state == STATE_QUEUED || + buf->state == STATE_PREPARED || buf->state == STATE_ACTIVE) { dprintk(1,"qbuf: buffer is already queued or active.\n"); goto done; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/