Date: Wed, 29 Nov 2006 15:04:46 +1030 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Randy Pratt <bsd-unix@earthlink.net> Cc: freebsd-multimedia@freebsd.org Subject: Re: PVR250 hanging Message-ID: <20061129043446.GI42090@wantadilla.lemis.com> In-Reply-To: <20061122173035.de742bd0.bsd-unix@earthlink.net> References: <20061122165141.62427953.bsd-unix@earthlink.net> <20061122221136.GM29833@wantadilla.lemis.com> <20061122173035.de742bd0.bsd-unix@earthlink.net>
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--21BR8y1c1zpF/Inb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sorry for the slow response; I wanted to check with our machine, and it was needed for other things. On Wednesday, 22 November 2006 at 17:30:35 -0500, Randy Pratt wrote: > On Thu, 23 Nov 2006 08:41:36 +1030 Greg 'groggy' Lehey <grog@FreeBSD.org> wrote: > >> On Wednesday, 22 November 2006 at 16:51:41 -0500, Randy Pratt wrote: > >>> I've had several freezes/hangs where the system is unresponsive and >>> keyboard won't accept input forcing a power recycling and fsck. >> >> This seems more than just cxm, then. >> >> In general, if you're seeing this kind of behaviour, the output of >> 'ps l' is of interest. The WMCHAN field gives information about where >> (and maybe how) the process is waiting. > > # ps -auxwwl | grep cxm > root 1156 0.7 0.1 1280 664 p1 S+ 5:24PM 0:00.30 cat /dev/cxm0 0 821 0 0 0 cmxrd > root 826 0.0 0.0 0 8 ?? WL 4:33PM 0:00.03 [irq19: cxm0] 0 0 0 -60 0 - OK, this looks pretty much like lack of input. cat is waiting for the completion of a read operation. >> When I get access to our PVR 250 later today, I'll compare some of >> your other data. > > Great! I'd appreciate anything you can look at. I'm also willing to > do any sort of patching/testing if needed. The box isn't anything > critical. Unfortunately, I can't see anything like this in our application. There are plenty of other bugs, but I suspect that they're mainly of our own making. Greg -- See complete headers for address and phone numbers. --21BR8y1c1zpF/Inb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFFbQ3mIubykFB6QiMRApIyAJ9tgLqhSH8mam/mvI9WsS3sv0q1PACggoOB vtMZd3P9wUUWqx9PUxkJi1U= =SAif -----END PGP SIGNATURE----- --21BR8y1c1zpF/Inb--
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