Control: severity -1 grave On Sun, Oct 01, 2017 at 11:10:09PM +0200, Sylvestre Ledru wrote: > severity 877445 wishlist > thanks > > Le 01/10/2017 à 22:54, Fanael Linithien a écrit : > > Package: firefox > > Version: 56.0-2 > > Severity: important > > > > Visiting certain sites such as github crashes with SIGILL on Pentium > > III and other CPUs with no SSE2 support due to some parts of Firefox > > code assuming SSE2 unconditionally. While the upstream doesn't support > > pre-SSE2 processors anymore, my understanding is that the Debian > > package does, and therefore it's a bug. AFAIU the fix shouldn't be too > > invasive, because the upstream sources still pretty much *have to*, > > and do, contain scalar fallbacks for non-x86 platforms. > > First, I am not the maintainer of Firefox. > > However, if I were, I would won't fix this bug. CPU without SSE2 are now > rare > and the performance drop for not using SSE2 being enough that it should > remain enabled by default (AFAIK, this is done at build time, not at > runtime). >...
This bug has now also become a serious regression in stable hitting many users hard and requiring urgent fixing: https://bugs.debian.org/908396 It is irrelevant how frequent or rare CPUs without SSE2 are, this is the baseline we are guaranteeing. > Sylvestre cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed