Date: Mon, 11 Jan 1999 11:37:59 -0800 (PST) From: Matthew Jacob <mjacob@feral.com> To: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp> Cc: Mike Smith <mike@smith.net.au>, alpha@FreeBSD.ORG Subject: Re: complete lockup under large I/O? Message-ID: <Pine.LNX.4.04.9901111135470.18573-100000@feral-gw> In-Reply-To: <19990111164950Z.simokawa@sat.t.u-tokyo.ac.jp>
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Well, I tried with the BRK option but it still hung and wouldn't drop into DDB. Last top line shown: last pid: 331; load averages: 0.00, 0.00, 0.00 up 0+00:08:36 11:18:31 22 processes: 1 running, 21 sleeping CPU states: 0.1% user, 0.0% nice, 6.3% system, 0.0% interrupt, 93.6% idle Mem: 12M Active, 6352K Inact, 10M Wired, 3448K Buf, 217M Free Swap: 300M Total, 300M Free PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND 251 root 2 0 3320K 1120K select 0:00 0.34% 0.34% rlogind 331 root -6 0 3184K 2064K physst 0:02 2.05% 0.20% rdsame 101 root 2 -12 3680K 1320K select 1:46 0.00% 0.00% xntpd 191 root 2 0 3320K 1120K select 0:22 0.00% 0.00% rlogind 278 mjacob 28 0 6176K 1592K RUN 0:08 0.00% 0.00% top Last iostat: 0 237 63.86 88 5.51 0 0 1 0 99 0 80 64.00 80 5.01 0 0 1 0 99 0 169 63.87 98 6.12 0 0 1 0 99 0 116 64.00 160 10.03 0 0 1 0 99 0 381 63.89 235 14.69 0 0 4 0 96 Last from my test script: Read 67108864 bytes in 6.388087 seconds, 10259.10KB/sec in 262144 byte blocks Read 67108864 bytes in 4.262204 seconds, 15376.08KB/sec in 524288 byte blocks Read 67108864 bytes in 3.281589 seconds, 19970.81KB/sec in 1048576 byte blocks So, clearly some other evil deadlock has occurred. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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