On 23/11/2007, Timo Sirainen <[EMAIL PROTECTED]> wrote: > Fully reproducible with me. v2.6.23.1 x86-64 SMP kernel, Core 2 CPU, gdb > v6.6.90.20070912-debian.
Fixed in 2.6.23.2, see discussion starting here: http://marc.info/?l=linux-kernel&m=119379156819358&w=2 > gdb ./hang > run > fr 1 > p (char*)base > > p command hangs and the entire system becomes unusably slow. kill -9 > doesn't kill gdb. > > /* gcc hang.c -o hang -g -Wall */ > #include <stdio.h> > #include <string.h> > #include <fcntl.h> > #include <unistd.h> > #include <sys/mman.h> > > int main(void) > { > int fd; > char buf[100]; > void *base; > > fd = open("hang.tmp", O_RDWR | O_CREAT, 0600); > if (fd == -1) perror("open"); > > base = mmap(NULL, 100, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); > if (base == MAP_FAILED) > perror("mmap"); > memcpy(buf, base, sizeof(buf)); > return 0; > } Cheers, Duane. -- "I never could learn to drink that blood and call it wine" - Bob Dylan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
