Alpha "process table hang"

Bob McElrath
2001-04-11T15:41:04Z

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I've been experiencing a particular kind of hang for many versions
(since 2.3.99 days, recently seen with 2.4.1, 2.4.2, and 2.4.2-ac4) on
the alpha architecture. The symptom is that any program that tries to
access the process table will hang. (ps, w, top) The hang will go away
by itself after ~10minutes - 1 hour or so. When it hangs I run ps and
see that it gets halfway through the process list and hangs. The
process that comes next in the list (after hang goes away) almost always
has nonsensical memory numbers, like multi-gigabyte SIZE.

Linux draal.physics.wisc.edu 2.3.99-pre5 #8 Sun Apr 23 16:21:48 CDT 2000
alpha unknown

Gnu C 2.96
Gnu make 3.78.1
binutils 2.10.0.18
util-linux 2.11a
modutils 2.4.5
e2fsprogs 1.18
PPP 2.3.11
Linux C Library 2.2.1
Dynamic linker (ldd) 2.2.1
Procps 2.0.7
Net-tools 1.54
Kbd 0.94
Sh-utils 2.0
Modules Loaded nfsd lockd sunrpc af_packet msdos fat pas2 sound
soundcore

Has anyone else seen this? Is there a fix?

-- Bob

Bob McElrath (rsmcelrath@students.wisc.edu)
Univ. of Wisconsin at Madison, Department of Physics

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