recent FreeBSD 13.0-CURRENT has fans screaming again on PowerMac quad
Michael Tuexen
tuexen at freebsd.org
Fri Jun 19 13:55:36 UTC 2020
> On 19. Jun 2020, at 14:22, Dennis Clarke via freebsd-ppc <freebsd-ppc at freebsd.org> wrote:
>
>
> Dear ppc64 big endian types:
>
> Sort of the same problem we had before. Except now the screaming fans
> seem to mysteriously die down for about thirty seconds before they start
> up again and run full blast for five minutes. It makes the machine a
> nasty blower fan thing to put down the hallway and run a 30 meter CAT6
> ethernet to it just to deal with it at all.
>
> Anyone else seeing this ? It is really quite horrible to listen to.
>
> At the moment there is nothing running at all with the exception of a
> svnlite checkout of http://svn.freebsd.org/base/head and the machine is
> screaming as if its life may end at any moment. Thankfully I have spare
> parts for when these fans blow up :
>
>
> dclarke at enceladus:~ $ uptime
> 12:21PM up 33 mins, 2 users, load averages: 0.97, 0.84, 0.48
>
> dclarke at enceladus:~ $ uname -apKU
> FreeBSD enceladus 13.0-CURRENT FreeBSD 13.0-CURRENT #0 r362037: Thu Jun 11 06:09:20 UTC 2020 root at releng1.nyi.freebsd.org:/usr/obj/usr/src/powerpc.powerpc64/sys/GENERIC64 powerpc powerpc64 1300097 1300097
>
> dclarke at enceladus:~ $ cat /etc/rc.conf
> clear_tmp_enable="YES"
> syslogd_flags="-ss"
> hostname="enceladus"
> ifconfig_bge0="inet 172.16.35.8 netmask 255.255.255.192"
> defaultrouter="172.16.35.1"
> sshd_enable="YES"
> ntpd_enable="YES"
> # Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
> dumpdev="AUTO"
> powerd_enable="YES"
> dclarke at enceladus:~ $
> dclarke at enceladus:~ $
>
> top -CSP shows :
>
> last pid: 1113; load averages: 1.00, 0.70, 0.35 up 0+00:29:42 12:17:57
> 55 processes: 3 running, 51 sleeping, 1 waiting
> CPU 0: 8.6% user, 0.0% nice, 44.7% system, 0.3% interrupt, 46.3% idle
> CPU 1: 0.3% user, 0.0% nice, 2.8% system, 0.6% interrupt, 96.4% idle
> CPU 2: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 0.0% idle
> CPU 3: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 0.0% idle
> Mem: 28M Active, 696M Inact, 626M Wired, 344M Buf, 6406M Free
> Swap: 3615M Total, 3615M Free
>
> PID USERNAME THR PRI NICE SIZE RES STATE C TIME CPU COMMAND
> 11 root 4 155 ki31 0B 192K RUN 0 112:42 307.44% idle
> 1104 root 1 103 0 32M 19M CPU3 3 4:57 87.60% svnlite
> 12 root 22 -52 - 0B 1056K WAIT 1 0:12 2.65% intr
> 7 root 2 -16 - 0B 96K - 0 0:04 1.17% cam
> 19 root 6 20 - 0B 288K psleep 2 0:02 0.50% bufdaemon
> 1050 dclarke 1 20 0 23M 5252K select 0 0:01 0.23% sshd
> 1113 dclarke 1 20 0 16M 4408K CPU0 0 0:00 0.01% top
> 931 root 1 20 0 23M 4676K select 2 0:00 0.01% ntpd
> 1109 dclarke 1 20 0 23M 5260K select 2 0:00 0.00% sshd
> 15 root 15 -68 - 0B 720K - 0 0:00 0.00% usb
> 971 root 1 20 0 19M 5696K select 3 0:00 0.00% sendmail
> 761 root 1 20 0 14M 2384K select 2 0:00 0.00% syslogd
> 0 root 21 -16 - 0B 1008K swapin 3 0:00 0.00% kernel
> 1062 root 1 20 0 15M 4944K pause 2 0:00 0.00% csh
> 1107 root 1 20 0 23M 11M select 1 0:00 0.00% sshd
> 1048 root 1 39 0 23M 11M select 2 0:00 0.00% sshd
> 940 root 1 20 0 14M 1260K select 3 0:00 0.00% powerd
> 1057 dclarke 1 20 0 15M 3848K wait 1 0:00 0.00% su
> 1058 dante 1 20 0 15M 3988K wait 3 0:00 0.00% sh
> 1051 dclarke 1 20 0 15M 3988K wait 3 0:00 0.00% sh
> 1 root 1 20 0 13M 1228K wait 3 0:00 0.00% init
> 1061 dante 1 20 0 15M 3848K wait 1 0:00 0.00% su
> 13 root 3 -8 - 0B 144K - 3 0:00 0.00% geom
> 978 root 1 20 0 14M 2400K nanslp 3 0:00 0.00% cron
> 1110 dclarke 1 20 0 15M 4028K wait 1 0:00 0.00% sh
> 23 root 1 -16 - 0B 48K pmac_t 3 0:00 0.00% pmac_thermal
> 1037 root 1 52 0 14M 2808K ttyin 2 0:00 0.00% getty
> 1035 root 1 52 0 14M 2808K ttyin 0 0:00 0.00% getty
> 1033 root 1 52 0 14M 2808K ttyin 1 0:00 0.00% getty
> 1032 root 1 52 0 14M 2808K ttyin 3 0:00 0.00% getty
> 968 root 1 20 0 22M 4108K select 2 0:00 0.00% sshd
> 1036 root 1 52 0 14M 2808K ttyin 3 0:00 0.00% getty
>
> There must be a trivial fix to all this as we had it all working pretty
> darn well some few months ago.
Disable SMP?
Best regards
Michael
>
> --
> Dennis Clarke
> RISC-V/SPARC/PPC/ARM/CISC
> UNIX and Linux spoken
> GreyBeard and suspenders optional
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