Date: Tue, 26 Oct 2004 14:50:41 +0300 From: Georgi Guninski <guninski@guninski.com> To: freebsd-amd64@FreeBSD.org Cc: roam@FreeBSD.org Subject: two 4GB mallocs => SEGV Message-ID: <20041026115041.GE2841@sivokote.iziade.m$>
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on a freebsd amd64 box with more than 8GB swap i experience the following:
amdkotef64# uname -a
FreeBSD amdkotef64.localdomain 5.3-BETA6 FreeBSD 5.3-BETA6 #0: Sat Sep 25
21:49:38 UTC 2004 root@fanboy.samsco.home:/usr/obj/usr/src/sys/GENERIC
amd64
amdkotef64#
amdkotef64# cat test.c
#include <stdlib.h>
int main(int ac, char **av)
{
char *a, *b;
size_t siz;
siz=4L*1024L*1024L*1024L;
printf("%lx\n",siz);
a=malloc(siz);
printf("%lx\n",a);
b=malloc(siz);
printf("%lx\n",b);
}
amdkotef64# gcc test.c
amdkotef64# ./a.out
100000000
503000
/: write failed, filesystem is full
Segmentation fault
amdkotef64# df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ad0s3a 3.8G 3.7G -236M 107% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/ad0s3d 4.7G 34K 4.3G 0% /home
amdkotef64# du -h a.out.core
2.5G a.out.core
amdkotef64#
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