Messages in this thread |  | | Date | Tue, 3 Apr 2001 23:02:51 -0400 | From | John Jasen <> | Subject | Re: 2.4.3 freeze under heavy writing + open rxvt |
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On Tue, 3 Apr 2001, Simon Kirby wrote:
> Three times now I've had 2.4.3 freeze on my dual CPU box while doing a > "dd if=/dev/zero of=/dev/hdc bs=1024k" (a drive to be RMA'd :)). I got > bored and opened an rxvt, and as the machine was swapping in (I assume), > everything froze. The mouse still moved for about 5 seconds before the > freeze, and the window was visible as it was attempting to start tcsh. > > I'm guessing that what's happening is something is waiting on a lock and > blocking interrupts (?) for five seconds while it is swapping in, and the > NMI lockup detector is kicking in and really breaking it.
I've noticed the same thing. I was doing a rather sadistic test, checking a memory chip.
one window: make -j in 2.4.2 src; and in another, dd if=/dev/hda of=/dev/null bs=4096k.
The third window was running top, and froze. A fourth window wouldn't get past login:
-- -- John E. Jasen (jjasen1@umbc.edu) -- In theory, theory and practise are the same. In practise, they aren't.
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