Date: Sun, 1 Sep 2013 13:40:41 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Andriy Gapon <avg@freebsd.org> Cc: "freebsd-acpi@freebsd.org" <freebsd-acpi@freebsd.org>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>, Mike Harding <mvharding@gmail.com> Subject: Re: 9.2-RC3 - suspend/resume causes slow system performance Message-ID: <CAJ-VmokHyXaxZTb-3Bpp19Go%2BsW=ms0Zh0WAMB7sD1JSX6HdUw@mail.gmail.com> In-Reply-To: <5222E19C.9040402@FreeBSD.org> References: <CALRn2n_2tUc0vPCFpgmAjYRm1=7KB5sA3A%2BxQqcc=ye-S1-0LA@mail.gmail.com> <CAJ-Vmom970ZBLPLWWTomkKtX1w-Fi3cj5qva1_ODcx22nqEXfA@mail.gmail.com> <CALRn2n9G1%2BBS8KVUc_RFZj-snM3FVJvsEEcnWqv-GF82=CqS6Q@mail.gmail.com> <CAJ-VmomWMhQNU1w0eWdwrKYz2fuZ5xZimgxQWUEkPqaQcgYkjw@mail.gmail.com> <CALRn2n_e2Uu4Y2aHUSP=6_aQDPeCk_OkrCxiFWaD0BxmbgP4-A@mail.gmail.com> <CAJ-VmokesYVnYJUnNgULKwL-wqb_-SqqYi=3KUSCGbHNVgOOUw@mail.gmail.com> <5222E19C.9040402@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 31 August 2013 23:41, Andriy Gapon <avg@freebsd.org> wrote: > > > > I've tracked this down to a single line, details in > > http://www.freebsd.org/cgi/query-pr.cgi?pr=181632. Basically, the > code is > > now doing a 'sti, hlt' vs. a 'sti' in some code that is only > supposed to run > > if idle is disabled. Given that 'hlt' is the idle instruction, this > doesn't > > seem right. > > > > > > Wow, nice! > > > > Avg - can we get this fixed? Or just revert this! > > Thank you for trying to be helpful. But let's not jump to conclusions. > BTW, I am following up on the problem in the PR. > Sure, I'd like to know why it's behaving badly. But since we're so close to 9.2-REL, do you think you can get it sorted out and bug-free on all the existing platforms that people are using 9.2 on (including server, desktop and laptop) without reverting it? Reverting and fixing it later seems like the safest option to me. Is there a bigger problem that you tried to fix in that patch that wasn't as obvious? Thanks, -adrian
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAJ-VmokHyXaxZTb-3Bpp19Go%2BsW=ms0Zh0WAMB7sD1JSX6HdUw>