[parisc-linux] Re: hppa64-...-gcc-4.1 annoying pb?

[Joel Soete]

> > > Suggests that 4.1 has gone wild inlining.  To some extent, inlining
> > > depends on the amount of memory present in the build machine.
> > > 
> > the 64bit build was on the N4k (up kernel) with ram of 4Gb:
> > # cat /proc/meminfo
> > MemTotal:      4115368 kB
> 
> You might see if limiting virtual memory helps.  I have the following
> in bash.bashrc:
> 
> # limit process virtual memory
> ulimit -v 524288
> 
mmm, this seems to be a key;
this morming (to me), I rebuild 2.6.17-rc3-pa3 + your patch the 64bit kernel on:
    1/ the n4k + ulimit -v 524288 -> compile time nornal 

    2/ the b2k (default ulimit -v being ulimited) ->  page_alloc.c compilation 
       very long (even thought this only have 256Mb?)

> This is on a machine with 1 GB.  I had found that the VM system
> could thrash and the system crash when it tried to allocate about
> 1 GB.
> 
on the n4k no such pb:
# ulimit -v 1048576
# ulimit -v
1048576

As this system owns 4Gb of ram:
# ulimit -v 4194304
# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
max nice                        (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) unlimited
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) unlimited
max rt priority                 (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) unlimited
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

(kernel:# uname -a
Linux patst006 2.6.17-rc3-pa3-n4kmp #544 SMP Fri May 5 09:09:11 CEST 2006
parisc64 GNU/Linux 

build with: # strings /boot/vmlinux-$(uname -r) | grep gcc
Linux version 2.6.17-rc3-pa3-n4kmp (root at patst006) (gcc version 4.1.1 20060428
(prerelease) (Debian 4.1.0-2)) #544 SMP Fri May 5 09:09:11 CEST 2006

(curious to see if resulting binary kernels (may be only check page_alloc.o)
are different?)

Thanks,
    Joel

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