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SubjectRe: MM bug
On Tue, 28 May 1996 d-seaman@ukans.edu wrote:

=> On Mon, 27 May 1996, Alfredo Sanjuan wrote:
=>
=> > On Mon, 27 May 1996, Martin Mares wrote:
=> >
=> > > yet): You can simply crash the system by issuing "grep any_string /dev/zero".
=> > > As the lines in /dev/zero have infinite length, grep tries to allocate still more
=> > > memory for its line buffer until the memory is exhausted. But no out of memory
=> > > message appear and the system gets frozen (interrupts work, but normal processes
=> >
=> > Hmmm....seems to work well for me...
=>
=> Also works for me. I get a "grep: memory exhausted" error and the system
=> continues like normal.
=>

for me, using kernel v1.99.8, libc v5.3.12, and grep v2.0, i get the
message

no memory left for grep

reprinting about every 20 seconds, and although i can switch VTs, the
system is utterly unusable and completely unresponsive. shift-scrllock
shows no swap memory left. the only way out is to hit reset (i waited
about 10 minutes).

i have 24 megs ram, with a 30 meg swap partition. 486dx2 if that helps
any.

jeff
---
Why Linux? source code. POSIX. tcpip. job control. support from the authors.
drivers for most hardware. because one terminal or process is never enough.
forget the other O/Ss, i use Linux- the choice of a GNU generation.



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