Messages in this thread | | | Date | Tue, 26 Jan 1999 18:16:36 +0200 | From | Petri Mattila <> | Subject | Linux-2.2.0 bad VM behaviour "dd if=/dev/zero of=/dev/hdc bs=256k" |
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Hi hackers,
I guess there is something wrong with the 2.2.0 vm... when I try this:
dd if=/dev/zero of=/dev/hdc bs=256k
the system becomes very lazy and after a couple of seconds 'ps amx' shows that nearly every process has been swapped out. After a couple of minutes daemons just die or stop with D state. Not very good.
The system is 333MHz Celeron, 64Mt.
Thanks,
Petri
30:~$ ps amx PID TTY MAJFLT MINFLT TRS DRS SIZE SWAP RSS SHRD LIB DT COMMAND 1 ? 418 96 0 4 60 56 4 0 0 1 2 ? 0 0 0 0 0 0 0 0 0 0 (kflushd) 3 ? 773 0 0 0 0 0 0 0 0 0 (kswapd) 65 ? 880 155 0 0 44 44 0 0 0 0 (update) 79 ? 590 137 0 0 84 84 0 0 0 0 (syslogd) 83 ? 264 133 0 0 312 312 0 0 0 0 (klogd) 116 ? 66 25 0 0 68 68 0 0 0 0 (rpc.portmap) 126 ? 159 97 0 0 68 68 0 0 0 0 (inetd) 133 ? 149 33 0 0 0 0 0 0 0 0 (rpciod) 143 ? 1 4 0 0 100 100 0 0 0 0 (rpc.kmountd) 147 ? 69 22 0 0 0 0 0 0 0 0 (nfsd) 148 ? 69 22 0 0 0 0 0 0 0 0 (nfsd) 149 ? 69 22 0 0 0 0 0 0 0 0 (nfsd) 150 ? 69 22 0 0 0 0 0 0 0 0 (nfsd) 153 ? 69 22 0 0 0 0 0 0 0 0 (lockd) 160 ? 20 22 0 0 116 116 0 0 0 0 (sshd) 161 ? 97 14 0 0 52 52 0 0 0 0 (cgetty) 162 ? 93 14 0 0 52 52 0 0 0 0 (cgetty) 163 ? 93 14 0 0 52 52 0 0 0 0 (cgetty) 164 ? 93 14 0 0 52 52 0 0 0 0 (cgetty) 165 ? 93 14 0 0 52 52 0 0 0 0 (cgetty) 166 ? 93 14 0 0 52 52 0 0 0 0 (cgetty) 167 ? 93 14 0 0 52 52 0 0 0 0 (cgetty) 168 ? 93 14 0 0 52 52 0 0 0 0 (cgetty) 176 ? 442 91 0 0 140 140 0 0 0 0 (in.telnetd) 177 ? 497 193 0 0 264 264 0 0 0 0 (bash) 183 ? 701 294 0 0 260 260 0 0 0 0 (bash) 240 ? 987 488 0 28 80 52 28 0 0 0 (dd) 229 ? 849 153 32 32 176 112 64 36 0 7 in.telnetd 256 ? 368 52 32 184 276 60 216 184 0 8 ps amx 230 ? 1932 662 164 232 532 136 396 288 0 27 -bash 93 ? 345 51 20 1044 1064 0 1064 1060 0 15 wdogd
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