From: Alexander Tsoy <alexander@tsoy.me>
To: Andy Lutomirski <luto@amacapital.net>,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Toralf Förster" <toralf.foerster@gmx.de>,
stable <stable@vger.kernel.org>,
"Linux Kernel" <linux-kernel@vger.kernel.org>,
"the arch/x86 maintainers" <x86@kernel.org>,
jpoimboe@redhat.com
Subject: Re: 4.14.9 doesn't boot (regression)
Date: Sat, 30 Dec 2017 04:13:34 +0300 [thread overview]
Message-ID: <1514596414.28262.22.camel@tsoy.me> (raw)
In-Reply-To: <7A0A9B37-20FF-4B17-B4F5-D8B999269FC4@amacapital.net>
В Пт, 29/12/2017 в 17:10 -0700, Andy Lutomirski пишет:
>
> Also, you wouldn't happen to be using Gentoo perchance? I already
> have two reports of a Gentoo system miscompiling the vDSO due to
> Gentoo enabling -fstack-check and GCC generating stack check code
> that is highly suboptimal, actively incorrect, and doesn't even
> manage to check the stack in a particularly helpful way.
>
> If this is indeed what's going on, I'm going to try to come up with a
> patch to outright fail the build on these buggy systems. We could
> probably fudge the build options to avoid the problem, but Gentoo
> really just needs fix its toolchain.
You are right, It's due to fstack-check enabled in gentoo's gcc spec.
"-fstack-check=no" in KBUILD_CFLAGS fixed this problem for me. =/
next prev parent reply other threads:[~2017-12-30 1:14 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-29 11:14 Toralf Förster
2017-12-29 13:33 ` Sebastian Gottschall
2017-12-29 13:38 ` Toralf Förster
2017-12-29 15:29 ` Andy Shevchenko
2017-12-29 15:48 ` Alexander Tsoy
2017-12-29 15:52 ` Toralf Förster
2017-12-29 20:12 ` Linus Torvalds
2017-12-29 20:21 ` Ingo Molnar
2017-12-29 21:02 ` Toralf Förster
2017-12-29 21:17 ` Linus Torvalds
2017-12-29 21:39 ` Linus Torvalds
2017-12-29 22:04 ` Alexander Tsoy
2017-12-29 22:30 ` Toralf Förster
2017-12-29 22:53 ` Linus Torvalds
2017-12-29 23:14 ` Toralf Förster
2017-12-30 0:10 ` Andy Lutomirski
2017-12-30 1:00 ` Linus Torvalds
2017-12-30 1:34 ` Linus Torvalds
2017-12-30 9:14 ` Alexander Tsoy
2017-12-30 9:21 ` Toralf Förster
2017-12-30 1:13 ` Alexander Tsoy [this message]
2017-12-30 12:58 ` Toralf Förster
2017-12-30 13:14 ` Jiri Kosina
2017-12-30 3:49 ` Josh Poimboeuf
2017-12-30 8:45 ` Alexander Tsoy
2017-12-30 17:09 ` Josh Poimboeuf
2017-12-30 17:57 ` Josh Poimboeuf
2017-12-30 22:03 ` Alexander Tsoy
2017-12-30 22:16 ` Josh Poimboeuf
2017-12-30 9:30 ` Toralf Förster
2017-12-30 8:32 ` Toralf Förster
2017-12-30 9:53 ` Jiri Kosina
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