From owner-freebsd-current Thu Oct 22 13:53:43 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id NAA28461 for freebsd-current-outgoing; Thu, 22 Oct 1998 13:53:43 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from dingo.cdrom.com (dingo.cdrom.com [204.216.28.145]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id NAA28456 for ; Thu, 22 Oct 1998 13:53:42 -0700 (PDT) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (localhost.cdrom.com [127.0.0.1]) by dingo.cdrom.com (8.9.1/8.8.8) with ESMTP id NAA00823; Thu, 22 Oct 1998 13:57:53 -0700 (PDT) (envelope-from mike@dingo.cdrom.com) Message-Id: <199810222057.NAA00823@dingo.cdrom.com> X-Mailer: exmh version 2.0.2 2/24/98 To: Zach Heilig cc: FreeBSD-current@FreeBSD.ORG Subject: Re: cdda2wav == panic ... (cases where it does NOT panic) In-reply-to: Your message of "Thu, 22 Oct 1998 07:42:23 CDT." <19981022074223.A1730@znh.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Date: Thu, 22 Oct 1998 13:57:53 -0700 From: Mike Smith Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by hub.freebsd.org id NAA28457 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > cdda2wav does not panic this system under these conditions: This issue has been discussed to death several times; it relates to a bad interaction between the I/O system and SYSV shared memory, where pages out of the shared region are still busy when cdda2wav exits. This appeared with the CAM integration, and *may* be related to the way the two interact. > 1) with the -N option (does not write data to disk) > 2) with the -n 1 option (reads/writes a single sector at a time, default is 55) > 3) when 'audio.wav' is a fifo, but it fails in a different (non-panic'y) way: > ... > No overlap sampling active > samplefiles size total will be 415316600 bytes. 10 tracks > recording seconds stereo with 16 bits @ Hz ->'audio'... > cannot set realtime scheduling policy: Function not implemented > cannot set realtime scheduling policy: Function not implemented > write(audio, 0x3004800C, 129360) = 8192 > Probably disk space exhausted: Undefined error: 0 This is a bug in cdda2wav it would appear; a short write is not an error. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message