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Added more ram, now video playback stutters http://forum.linhes.org/viewtopic.php?f=2&t=10517 |
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Author: | andyem [ Sat Jun 17, 2006 12:23 pm ] |
Post subject: | Added more ram, now video playback stutters |
I went out and bought new ram and upgraded my server from 256MB to 512mb. I replaced both 128MB sticks for 2 256mb sticks and the video playback is now stuttering. I have checked dma and all settings are correct and I have even updated bootmisc.sh with the hard drive parameters suggested on the wiki. # enable DMA /sbin/hdparm -qd1c1u1m16 /dev/hda /sbin/hdparm -qd1c1u1 /dev/hdc /sbin/hdparm -qd1c1u1m16 /dev/hdb I have checked the ram with xmem86 and everything is perfect with the ram. I am also using bobs 2X with deinterlace and also opengl snyc timing. The part that is really baffling me is what top is now showing: top - 14:20:59 up 1:16, 2 users, load average: 4.64, 4.23, 3.98 Tasks: 101 total, 1 running, 100 sleeping, 0 stopped, 0 zombie Cpu(s): 2.8% us, 3.8% sy, 26.2% ni, 1.0% id, 66.2% wa, 0.0% hi, 0.0% si Mem: 383852k total, 378648k used, 5204k free, 1352k buffers Swap: 1180768k total, 0k used, 1180768k free, 173680k cached Are there parameters I need to update within the kernel to tell it I have gone from 256mb to 512mb? I assume this is done automatcally. I notice when checking processes that I have duplicates on some things and I dont know if its becuase I have dual processors: Code: ps -A
PID TTY TIME CMD 1 ? 00:00:04 init 2 ? 00:00:00 migration/0 3 ? 00:00:00 ksoftirqd/0 4 ? 00:00:00 watchdog/0 5 ? 00:00:00 migration/1 6 ? 00:00:00 ksoftirqd/1 7 ? 00:00:00 watchdog/1 8 ? 00:00:00 events/0 9 ? 00:00:00 events/1 10 ? 00:00:00 khelper 11 ? 00:00:00 kthread 14 ? 00:00:10 kblockd/0 15 ? 00:00:01 kblockd/1 16 ? 00:00:00 kacpid 107 ? 00:00:00 pdflush 108 ? 00:00:00 pdflush 110 ? 00:00:00 aio/0 111 ? 00:00:00 aio/1 109 ? 00:00:12 kswapd0 112 ? 00:00:00 jfsIO 113 ? 00:00:00 jfsCommit 114 ? 00:00:00 jfsCommit 115 ? 00:00:00 jfsSync 116 ? 00:00:00 xfslogd/0 117 ? 00:00:00 xfslogd/1 118 ? 00:00:00 xfsdatad/0 119 ? 00:00:00 xfsdatad/1 120 ? 00:00:00 xfsbufd 707 ? 00:00:00 kseriod 774 ? 00:00:00 ata/0 775 ? 00:00:00 ata/1 790 ? 00:00:00 kcryptd/0 791 ? 00:00:00 kcryptd/1 792 ? 00:00:00 kmirrord 793 ? 00:00:00 kirqd 797 ? 00:00:01 kjournald 1037 ? 00:00:00 khubd 1111 ? 00:00:00 khpsbpkt 1963 ? 00:00:03 kjournald 2032 ? 00:00:00 portmap 2151 ? 00:00:00 lircd 2308 ? 00:00:00 syslogd 2317 ? 00:00:00 klogd 2344 ? 00:00:00 apache 2355 ? 00:00:00 apache 2356 ? 00:00:00 apache 2357 ? 00:00:00 apache 2358 ? 00:00:00 apache 2359 ? 00:00:00 apache 2360 ? 00:00:00 inetd 2879 ? 00:00:00 mysqld_safe 2939 ? 00:00:24 mysqld 2940 ? 00:00:00 logger 2972 ? 00:00:00 rpc.statd 3006 ? 00:00:00 nfsd4 3011 ? 00:00:00 nfsd 3010 ? 00:00:00 nfsd 3009 ? 00:00:00 nfsd 3008 ? 00:00:00 nfsd 3007 ? 00:00:00 nfsd 3014 ? 00:00:00 nfsd 3013 ? 00:00:00 nfsd 3016 ? 00:00:00 lockd 3017 ? 00:00:00 rpciod/0 3018 ? 00:00:00 rpciod/1 3012 ? 00:00:00 nfsd 3021 ? 00:00:00 rpc.mountd 3030 ? 00:00:00 nmbd [b]3056 ? 00:00:00 ivtv_vbi/0 3057 ? 00:00:00 ivtv_vbi/1[/b] 3058 ? 00:00:00 ivtv_fw/0 3059 ? 00:00:00 ivtv_fw/1 3083 ? 00:00:00 msp34xx 3128 ? 00:00:04 ivtv-enc 3129 ? 00:01:18 ivtv-enc-vbi 3155 ? 00:00:00 sshd 3386 ? 00:00:00 shpchpd_event 3678 ? 00:00:00 automount 3693 ? 00:10:37 mythbackend 3702 ? 00:00:00 ntpd 3712 ? 00:00:00 atd 3721 ? 00:00:00 cron 3876 ? 00:00:07 XFree86 3884 tty1 00:00:00 getty 3885 tty2 00:00:00 getty 3886 tty3 00:00:00 getty 3887 tty4 00:00:00 getty 3888 tty5 00:00:00 getty 3890 tty6 00:00:00 getty 3980 ? 00:00:01 x-window-manage 4020 ? 00:00:00 ssh-agent 4022 ? 00:00:17 mythfrontend 4316 ? 00:00:00 sshd 4319 ? 00:00:00 sshd 4320 ttyp0 00:00:01 bash 4368 ttyp0 00:00:00 bash 4380 ? 00:03:09 mythcommflag 4391 ttyp0 00:00:00 ps |
Author: | nigelpearson [ Sat Jun 17, 2006 8:33 pm ] |
Post subject: | |
383MB. That is a bit strange. Are you sure you don't have one 256 and one 128 in there? (e.g. the shop or factory may have messed up so check the part numbers on the RAM chips) Here is what my top shows with a 512MB and a 256MB DIMM: Code: top - 12:24:45 up 8 days, 23:37, 3 users, load average: 1.43, 1.46, 1.27 Tasks: 84 total, 2 running, 82 sleeping, 0 stopped, 0 zombie Cpu(s): 0.3% us, 4.0% sy, 95.4% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.3% si Mem: 773184k total, 653364k used, 119820k free, 6632k buffers Swap: 396136k total, 0k used, 396136k free, 308584k cached Other things to check: Code: cat /proc/meminfo
ls -l /proc/kcore |
Author: | andyem [ Sat Jun 17, 2006 9:34 pm ] |
Post subject: | |
Well the chip says 256 but its running as a 128MB. Ive disabled commercial flagging and now I'll be running it for a few days to see if anything improves. |
Author: | andyem [ Sat Jun 17, 2006 9:38 pm ] |
Post subject: | |
LOL i just checked my machine again during a record without commflag and here is top now. top - 23:35:59 up 7:05, 2 users, load average: 0.10, 0.16, 0.16 Tasks: 102 total, 1 running, 101 sleeping, 0 stopped, 0 zombie Cpu(s): 1.3% us, 4.8% sy, 0.0% ni, 92.2% id, 1.7% wa, 0.0% hi, 0.0% si Mem: 383852k total, 378808k used, 5044k free, 4872k buffers Swap: 1180768k total, 0k used, 1180768k free, 261372k cached Wow the guys werent kidding that commflagging is crap. I havent seen load averages this low in a while. I guess issue resolvfed so far. |
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