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SubjectRe: [PATCH 09/16] sparc64: use the generic get_user_pages_fast code
From: Anatoly Pugachev <>
Date: Wed, 24 Jul 2019 22:32:17 +0300

> the first test where it was discovered was done on my test LDOM named
> ttip, hardware (hypervisor) is T5-2 server, running under Solaris 11.4
> OS.
> ttip LDOM is debian sparc64 unstable , so with almost all the latest
> software (gcc 8.3.0, binutils, debian GLIBC
> 2.28-10, etc..)
> For another test, i also installed LDOM with oracle sparc linux
> , but I've to install a
> more fresh version of gcc on it first, since system installed gcc 4.4
> is too old for a git kernel (linux-2.6/Documentation/Changes lists gcc
> 4.6 as a minimal version), so I choose to install gcc-7.4.0 to /opt/
> (leaving system installed gcc 4.4 under /usr/bin). Compiled and
> installed git kernel version, i.e. last tag 5.3.0-rc1 and ran the
> test. Kernel still produced oops.

I suspect, therefore, that we have a miscompile.

Please put your unstripped vmlinux image somewhere so I can take a closer

Thank you.

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