From owner-freebsd-multimedia Sat Mar 22 20:03:44 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id UAA20400 for multimedia-outgoing; Sat, 22 Mar 1997 20:03:44 -0800 (PST) Received: from whqvax.picker.com (whqvax.picker.com [144.54.1.1]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id UAA20388 for ; Sat, 22 Mar 1997 20:03:31 -0800 (PST) Received: from ct.picker.com by whqvax.picker.com with SMTP; Sat, 22 Mar 1997 23:02:04 -0500 (EST) Received: from elmer.ct.picker.com ([144.54.57.34]) by ct.picker.com (4.1/SMI-4.1) id AA28171; Sat, 22 Mar 97 23:02:01 EST Received: by elmer.ct.picker.com (SMI-8.6/SMI-SVR4) id WAA14365; Sat, 22 Mar 1997 22:59:09 -0500 Message-Id: <19970322225909.56727@ct.picker.com> Date: Sat, 22 Mar 1997 22:59:09 -0500 From: Randall Hopper To: Amancio Hasty , Steve Passe Cc: multimedia@freebsd.org Subject: Re: bt848 video losing sync References: <19970322191331.35902@ct.picker.com> <199703230029.QAA00429@rah.star-gate.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.65 In-Reply-To: <199703230029.QAA00429@rah.star-gate.com>; from Amancio Hasty on Sat, Mar 22, 1997 at 04:29:18PM -0800 Sender: owner-multimedia@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Amancio Hasty: |From The Desk Of Randall Hopper : |> I don't know if anyone else sees this, but when starting and stopping the |> video on the tuner, every so often (very rarely) it'll sputter, lose |> vertical sync, slip down to 2 or 3 frames a second for a second or two, and |> then just freeze with the VBI band right in the middle of the window. | |Write an ioctl or somehow trigger in the driver printing the status |registers in bktr_intr. That will give us a clue as to what is going on. Uncommenting the existing RISC_COUNT and INT_STATUS print, I was lucky and it happened almost immediately after starting fxtv the first time after booting the debug kernel (compressed output attached). > cut -c41-45 messages | sort | uniq -c 233 0206 353 020e 111 0a04 44 0a0c 1 1206 1 3206 2 3286 98 3a04 15 3a06 4 3a0c 1 420e Your and Steve's eye will doubtless glean more than mine, but the events that look "unique" to my untrained eye are the: 18:52:36 stealth /kernel: bktr0: ioctl: tsleep error 35 100052c error in the middle, the single FIFO Data Stream Resync in the INT_STAT values (xxxx420e above), and the Luma/Chroma ADC overflows (xxxxxxx8) that don't set in until a good way down the output, and then stick in there for the rest of it. Thanks, Randall begin 666 messages.gz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