amd64/99561: system hangs in FreeBSD AMD64 when writting ext2fs

Simeon Nifos archwndas at
Tue Jun 27 21:01:10 UTC 2006

>Number:         99561
>Category:       amd64
>Synopsis:       system hangs in FreeBSD AMD64 when writting ext2fs
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    freebsd-amd64
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jun 27 21:00:38 GMT 2006
>Originator:     Simeon Nifos
>Release:        FreeBSD AMD64 6.1 Release
FreeBSD 6.1-RELEASE FreeBSD 6.1-RELEASE #0: Sun May  7 04:15:57 UTC 2006     root at  amd64

 would like to report a strange behaviour of 
FreeBSD AMD64 ver. 6.1. I installed it on a 
QUAD Opteron 846 with Tayan motherbord and 4GB RAM.
I was running SMP kernel. I have an ext2fs partition
where I store all installed compilers and libraries.
I changed directory to my ext3 (ext2fs) partition
and I started compiling one of my libraries. The 
system Hanged. I repeated the same thing with several
other libraries (ATLAS(BLAS), LAPACK, ...) and
the system hanged. Then I copied the sources to /usr
and I compiled them there. No problem. Everything was

I do not know what is FreeBSD AMD64 problem when I 
compile something being in an ext2fs partition since
with FreeBSD x86 I didn't experienced similar 
behaviour. Has anybody noticed something similar?

mount some ext2fs partition, untar lapack in it
cd in LAPACK directory and change the makefiles according to 
your platform. Then type make and wait a little bit. You will
see that after 1-2 minutes the system will hang ...


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