Bug#333766: libc6: SIGBUS in libm on hppa breaks qt-x11-free
- To: Aurelien Jarno <aurelien@aurel32.net>
- Cc: 333766@bugs.debian.org, Grant Grundler <grundler@parisc-linux.org>, Randolph Chung <randolph@tausq.org>, Stephen Gran <sgran@debian.org>, Steve Langasek <vorlon@debian.org>, debian-hppa@lists.debian.org
- Subject: Bug#333766: libc6: SIGBUS in libm on hppa breaks qt-x11-free
- From: Daniel Jacobowitz <dan@debian.org>
- Date: Fri, 14 Oct 2005 00:01:20 -0400
- Message-id: <[🔎] 20051014040120.GA8574@nevyn.them.org>
- Mail-followup-to: Aurelien Jarno <aurelien@aurel32.net>, 333766@bugs.debian.org, Grant Grundler <grundler@parisc-linux.org>, Randolph Chung <randolph@tausq.org>, Stephen Gran <sgran@debian.org>, Steve Langasek <vorlon@debian.org>, debian-hppa@lists.debian.org
- Reply-to: Daniel Jacobowitz <dan@debian.org>, 333766@bugs.debian.org
- In-reply-to: <[🔎] 434F2D25.8020901@aurel32.net>
- References: <[🔎] 434E98D3.7080602@aurel32.net> <[🔎] 20051013175251.GA2933@tennyson.dodds.net> <[🔎] 20051013220501.GB4871@www.lobefin.net> <[🔎] 434EDDC2.8010702@aurel32.net> <[🔎] 20051013233344.GA2037@nevyn.them.org> <434EFE74.3060800@tausq.org> <[🔎] 20051014005430.GA4478@nevyn.them.org> <[🔎] 20051014031721.GA3348@colo.lackof.org> <[🔎] 20051014032304.GA7685@nevyn.them.org> <[🔎] 434F2D25.8020901@aurel32.net>
On Fri, Oct 14, 2005 at 05:59:33AM +0200, Aurelien Jarno wrote:
> Ok, that's mean that theoretically it would break the ABI, but
> practically, it does not break the ABI as the alignment is the same
> (otherwise we would also have noticed SIGBUS in other applications).
>
> Said in other words, applications with 4-byte aligned fenv_t variables
> are not working (SIGBUS), so it won't hurt to break the ABI in that
> case, as the applications have to be rebuilt anyway to fix the problem.
Whichever you like then. I would appreciate it if someone could come
up with a patch for one or the other, or at least an authoritative
statement and I'll sort the code out in the morning; I have the next
glibc upload otherwise ready.
--
Daniel Jacobowitz
CodeSourcery, LLC
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