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Subject2.1.97-VGER killing random processes under heavy load ? signals ?

Hi all...

I have some trouble with my SparcIPX... This has been happening to me
for quite a long time (at least since the 2.1.89-VGER snapshot which was
around a month or so ago), but only recently was I able to somewhat
characterise a little.

In short : when the loads goes up a little, (2.5+) some processes are
randomly killed, sometimes. This began to be quite more visible since I
wrote a little keyboard light blinker based on the system load (I was
getting jealous of LCDproc <grin />). This program queues SIGALRM's every
125ms or so, and reads /proc/loadavg every second.
When the load is around 2-3, loadlights gets frequently killed, forcing me
to wrap this daemon-wouldbe into a wrapper shell script (and
simultaneously having a (custom built) "nanny" cron script). Such random
deaths happened in the past, but became quite more obvious on a
signal-intensive program -- may be this could be the reason ?

(base machine is a RH4.2, now using egcs-1.02 and kernel 2.1.9x)

nikopol# cat /proc/cpuinfo > attached-cpuinfo.txt ; \
ldconfig -v > attached-ldconfig.txt


I'm currently setting up a (networkless, so that'll take a few floppy
swaps) similarly-versioned i386 to try to reproduce the problem, but in
the meantime, has anyone any clue of what could be in cause ?

Thanks in advance !

-- Cyrille
ldconfig: version 1.8.3
/usr/egcs/lib:
libstdc++.so.2.8 => libstdc++.so.2.8.0
/usr/X11R6.1/lib:
libforms.so.0.88 => libforms.so.0.88
libXpm.so.4 => libXpm.so.4.9
libXaw3d.so.6 => libXaw3d.so.6.1
libXtst.so.6 => libXtst.so.6.1
libXt.so.6 => libXt.so.6.0
libXmu.so.6 => libXmu.so.6.0
libXi.so.6 => libXi.so.6.0
libXext.so.6 => libXext.so.6.1
libXaw.so.6 => libXaw.so.6.1
libXIE.so.6 => libXIE.so.6.0
libX11.so.6 => libX11.so.6.1
libSM.so.6 => libSM.so.6.0
libPEX5.so.6 => libPEX5.so.6.0
libICE.so.6 => libICE.so.6.0
/usr/lib:
libopcodes.so.2.8.1.0.1 => libopcodes.so.2.8.1.0.1
libbfd.so.2.8.1.0.1 => libbfd.so.2.8.1.0.1
libstdc++.so.2.8 => libstdc++.so.2.8.1
libgtk.so.1 => libgtk.so.1.0.0
libgdk.so.1 => libgdk.so.1.0.0
libglib.so.1 => libglib.so.1.0.0
libtcl.so.old => libtcl.so.old
libtk.so.old => libtk.so.old
libguile.so.2 => libguile.so.2.0.0
libmh.so.3.2 => libmh.so.3.2
libtk8.0.so => libtk8.0.so
libtcl8.0.so => libtcl8.0.so
libz.so.1 => libz.so.1.0.4
libtk4.2.so => libtk4.2.so
libtk.so => libtk.so
libtkx4.2.0.so => libtkx4.2.0.so
libtclx7.6.0.so => libtclx7.6.0.so
libtcl7.6.so => libtcl7.6.so
libtcl.so => libtcl.so
libslang.so.0 => libslang.so.0.99.37
libreadline.so.2 => libreadline.so.2.0
libnewt.so.0 => libnewt.so.0.8
libpanel.so.3.0 => libpanel.so.3.0
libncurses.so.3.0 => libncurses.so.3.0
libmenu.so.3.0 => libmenu.so.3.0
libform.so.3.0 => libform.so.3.0
libpng.so.1 => libpng.so.1.0.89
libtiff.so.3 => libtiff.so.3.4.28
librle.so.1 => librle.so.1.0.0
libppm.so.1 => libppm.so.1.0.0
libpnm.so.1 => libpnm.so.1.0.0
libpgm.so.1 => libpgm.so.1.0.0
libpbm.so.1 => libpbm.so.1.0.0
libjpeg.so.6 => libjpeg.so.6.0.1
libfbm.so.1 => libfbm.so.1.0.0
libstdc++.so.27 => libstdc++.so.27.1.4
libg++.so.27 => libg++.so.27.1.4
libgpm.so.1 => libgpm.so.1.10
libdb.so.2 => libdb.so.2.0.0
libgdbm.so.2 => libgdbm.so.2.0.0
/lib:
libpwdb.so.0 => libpwdb.so.0.54
libpam_misc.so.0 => libpam_misc.so.0.57
libpam.so.0 => libpam.so.0.57
libpthread.so.0 => libpthread.so.0.5
libdl.so.1 => libdl.so.1.8.3
libuuid.so.1 => libuuid.so.1.1
libss.so.2 => libss.so.2.0
libext2fs.so.2 => libext2fs.so.2.3
libe2p.so.2 => libe2p.so.2.3
libcom_err.so.2 => libcom_err.so.2.0
libm.so.5 => libm.so.5.0.6
libtermcap.so.2 => libtermcap.so.2.0.8
libc.so.5 => libc.so.5.3.12
cpu : Fujitsu or Weitek Power-UP
fpu : Fujitsu or Weitek on-chip FPU
promlib : Version 2 Revision 2
prom : 2.6
type : sun4c
ncpus probed : 1
ncpus active : 1
BogoMips : 39.83
vacsize : 65536 bytes
vachwflush : yes
vaclinesize : 32 bytes
mmuctxs : 8
mmupsegs : 256
kernelpsegs : 53
kfreepsegs : 0
usedpsegs : 58
ufreepsegs : 110
user_taken : 21
max_taken : 148
context : 77680 flushes
segment : 1083351 flushes
page : 10551367 flushes
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