Subject: Re: Process hang on LFS
To: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
From: Gary Duzan <gary@duzan.org>
List: current-users
Date: 01/28/2003 22:41:01
In Message <1043801752.788727.453.nullmailer@yamt.dyndns.org> ,
YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp> wrote:
=>> =>hi,
=>> =>
=>> =>can you provide a result of 'ps -axl'?
=>> =>(or ps/w on ddb)
=>>
=>> The result is attached. It is now to the point where trying to
=>> write anything to the file system hangs, so I just did an echo to
=>> a file there, which shows up as process 27038.
=>>
=>> Gary Duzan
=>
=>thanks.
=>
=>how many buffers does your kernel have?
===========================================================================
using 6144 buffers containing 127 MB of memory
===========================================================================
options BUFCACHE=25
===========================================================================
There are 6144 metadata buffers using 130900 kBytes of memory.
There are 16231 pages for cached file data using 64924 kBytes of memory.
There are 2184 pages for executables using 8736 kBytes of memory.
File System Bufs used % kB in use % Bufsize kB % Util %
/usr2 1393 22 11137 8 29764 22 37
/ 140 2 886 0 3020 2 29
/usr 71 1 279 0 1508 1 18
/usr/home 2 0 16 0 44 0 36
Total: 1606 26 12318 9 34336 26 35
===========================================================================
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/wd1a 70558768 12635106 50867786 19% /usr2
===========================================================================
Master Superblock at 0x8:
magic 0x70162 version 0x2 size 78177792
ssize 1880064 dsize 74267956 bsize 8192
fsize 1024 frag 8 minfree 10
inopb 8 ifpb 409 nindir 2048
nseg 42580 sepb 341 cleansz 1
segtabsz 125 segmask 0x0 segshift 0
bmask 0x1fff bshift 13 ffmask 0x3FF
ffshift 10 fbmask 0x7 fbshift 3
sushift 0 fsbtodb 1 cksum 0x7efb
nclean 23588 dmeta 999115 minfreeseg 2129
roll_id 0xaf89a85 interleave 0 sumsize 1024
maxfilesize 0xfffff00000000000
Superblock disk addresses:
0x8 0x7749d8 0xee93b0 0x165dd88 0x1dd2760 0x2547138
0x2cbbb10 0x34304e8 0x3ba4ec0 0x4319898
Checkpoint Info
free 175188 idaddr 0xd23e5b ifile 1
uinodes 0 bfree 62321076 avail 41352804
nfiles 381923 lastseg 0xd23294 nextseg 0xd240ec
curseg 0xd239c0 offset 0xd23e74 serial 768405
tstamp Tue Jan 28 13:13:49 2003
===========================================================================
=>because buffer reservation is just a estimate currently,
=>it usually over-estimate and can deadlocks if you doesn't have
=>plenty of buffers.
I would hope that would be enough.
Gary Duzan