Your message dated Wed, 8 Mar 2017 18:14:04 +0100
with message-id <073a33c5-59e7-d2da-ef4e-6d2460463...@debian.org>
and subject line Re: Bug#857182: Please disable MMX and SSE support on i386
has caused the Debian Bug report #857182,
regarding Please disable MMX and SSE support on i386
to be marked as done.
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857182: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=857182
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--- Begin Message ---
Source: directfb
Version: 1.2.10.0-8
Severity: serious
Hi,
I see in the build logs of the i386 architecture that SSE and MMX
instructions are enabled. This is not supported in debian. I see that
this was enabled in the past but the flag got lost during the conversion
to dh sequences.
This must be disabled on i386. On amd64 this can be kept enable as SSE2 is
supported.
Regards,
Laurent Bigoville
-- System Information:
Debian Release: 9.0
APT prefers unstable-debug
APT policy: (500, 'unstable-debug'), (500, 'unstable'), (1,
'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.9.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_BE.UTF-8, LC_CTYPE=fr_BE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
--- End Message ---
--- Begin Message ---
Le 08/03/17 à 17:59, Sebastian Ramacher a écrit :
Control: tags -1 + moreinfo
On 2017-03-08 17:48:33, Laurent Bigonville wrote:
Source: directfb
Version: 1.2.10.0-8
Severity: serious
Hi,
I see in the build logs of the i386 architecture that SSE and MMX
instructions are enabled. This is not supported in debian. I see that
this was enabled in the past but the flag got lost during the conversion
to dh sequences.
This must be disabled on i386. On amd64 this can be kept enable as SSE2 is
supported.
As far as I can tell support for MMX is checked during runtime and the non-MMX
code path is taken if not available. SSE is not used at all.
So unless you can spot some part where it is used unconditionally, this isn't a
bug.
I somehow missed the auto-detection part...
Closing
--- End Message ---
