Date: Wed, 6 Jun 2007 21:50:07 GMT From: Kris Kennaway <kris@obsecurity.org> To: freebsd-amd64@FreeBSD.org Subject: Re: amd64/110655: [threads] 32 bit threaded applications crash on amd64 SMP kernel. Message-ID: <200706062150.l56Lo7rG022869@freefall.freebsd.org>
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The following reply was made to PR amd64/110655; it has been noted by GNATS. From: Kris Kennaway <kris@obsecurity.org> To: Jeff Wheelhouse <jdw_list@wheelhouse.org> Cc: Kris Kennaway <kris@obsecurity.org>, bug-followup@FreeBSD.org Subject: Re: amd64/110655: [threads] 32 bit threaded applications crash on amd64 SMP kernel. Date: Wed, 6 Jun 2007 17:42:38 -0400 On Wed, Jun 06, 2007 at 05:11:25PM -0400, Jeff Wheelhouse wrote: > Kris Kennaway wrote: > >-m32 doesn't DTRT on FreeBSD, can you confirm that this problem exists > >with a binary compiled by an i386 compiler? > > I can. > > $ uname -m > i386 > $ cc -o crash32-thr crash32.c -lthr > $ cc -o crash32-pthread crash32.c -pthread > $ md5 crash32-thr crash32-pthread > MD5 (crash32-thr) = 91aea395dd2c5798d7cba9a216c4c227 > MD5 (crash32-pthread) = a590f1c97e5ec11ddc94fa3d7f4bf167 > $ ./crash32-thr > Thread. > $ ./crash32-pthread > Thread. > $ > > $ uname -m > amd64 > $ md5 crash32-thr crash32-pthread > MD5 (crash32-thr) = 91aea395dd2c5798d7cba9a216c4c227 > MD5 (crash32-pthread) = a590f1c97e5ec11ddc94fa3d7f4bf167 > $ ./crash32-thr > Bad system call(coredump) > $ ./crash32-pthread > Memory fault(coredump) > $ OK, that's useful to know. I ran into a problem myself that looked similar but wanted to check first (I didn't isolate it to libthr yet). Kris
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