I found out what the problem was: I had a botched recording that would get to the end and then flip out. When I watched the recording, it got to the end, and then froze MythFrontend with tons of "Audio Lost" errors. I'm guessing that that's what was happening with transcode -- it got to the end, and had major problems with that file.
Now that that one is dead, all is well again. -Thor Johnson -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Johnson, Thor Sent: Friday, January 28, 2005 3:53 PM To: Discussion about mythtv Subject: RE: [mythtv-users] Memory usage -- Is 256 MB enough? I'm using 0.16. It seems ok as long as I don't watch recordings while I'm recording+commercialflagging+transcoding. And it's only done it a few times (just annoying those few...). I tried running without swap, and I'm confused by the results: Menus are snappy, but kswapd.0 is taking 86-90% of the CPU, so watching TV (live or memorex) is unusable. Why would kswapd do anything if I don't have swap mounted? As soon as I mounted swap, 25MB immediately flew into it, and the CPU dropped to 0.5% (top). Swap kept on growing while I was transcoding to remove commercials. I haven't looked again to see if it goes back down after xcode is complete (it should)... So... err... now what? -Thor Johnson -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Wood Sent: Thursday, January 27, 2005 10:57 AM To: Discussion about mythtv Subject: Re: [mythtv-users] Memory usage -- Is 256 MB enough? I run with 256 and have not had this problem (and I do transcode). What version of myth are you using? 0.16? CVS? On Thu, 27 Jan 2005, Johnson, Thor wrote: > Hrm... I'm trying to run frontend+backend on a AthlonXP2500+ with 256 MB > of ram (Gentoo 2.6.10), using a BT878 tuner (I want to add the pcHDTV, > but since my TV is low-def it's not a priority. Though I've noticed > that NFL coverage has changed so you can't really see what's going on > without Widescreen, so I wanted to do letterboxing with the pcHDtv -- > but that is a different discussion ;). > > Things on the box: > myth (frontend, backend) > mythweb (apache2, php5) > ssh, metalog, vixiecron > ntp-client, smartmond, icewm > lvm2 > > After booting, and it starts recording, it seems to hover around 2.5MB > of swap used (fine by me). After a few shows go by and the commercial > flagging process fires off, sometimes (it hasn't always done this), the > swap used will go 150MB over the course of 30 minutes (most of the > memory is "used" by mythtranscode), and the system will grind to a > horrible halt (top reports 80-90% in I/O wait, and mythbackend starts > complaining about running out of free audio buffers). killall > mythtranscode will make the system usable again. > > Questions: > 1. What happened? This has been working for a few months without > problems. The last thing I did was expand the XFS partition that I > store my videos on. > > 2. How much ram do others have in their box? I thought 256 would be > enough (I had problems with 128 in swap, but it would work most of the > time). > > 3. Any ideas on how to troubleshoot this? > > Thanks, > Thor Johnson > >
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