From: David Miller <davem@davemloft.net>
To: matorola@gmail.com
Cc: ldv@altlinux.org, hch@lst.de, khalid.aziz@oracle.com,
torvalds@linux-foundation.org, akpm@linux-foundation.org,
sparclinux@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 09/16] sparc64: use the generic get_user_pages_fast code
Date: Wed, 24 Jul 2019 13:13:24 -0700 (PDT) [thread overview]
Message-ID: <20190724.131324.1545677795217357026.davem@davemloft.net> (raw)
In-Reply-To: <CADxRZqx-jEnm4U8oe=tJf5apbvcMuw5OYZUN8h4G68sXFvDsmQ@mail.gmail.com>
From: Anatoly Pugachev <matorola@gmail.com>
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 2.32.51.20190707-1, debian GLIBC
> 2.28-10, etc..)
>
> For another test, i also installed LDOM with oracle sparc linux
> https://oss.oracle.com/projects/linux-sparc/ , 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
look.
Thank you.
next prev parent reply other threads:[~2019-07-24 20:13 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-25 14:36 switch the remaining architectures to use generic GUP v4 Christoph Hellwig
2019-06-25 14:37 ` [PATCH 01/16] mm: use untagged_addr() for get_user_pages_fast addresses Christoph Hellwig
2019-06-25 14:37 ` [PATCH 02/16] mm: simplify gup_fast_permitted Christoph Hellwig
2019-06-25 14:37 ` [PATCH 03/16] mm: lift the x86_32 PAE version of gup_get_pte to common code Christoph Hellwig
2019-06-25 14:37 ` [PATCH 04/16] MIPS: use the generic get_user_pages_fast code Christoph Hellwig
2019-06-29 14:37 ` Guenter Roeck
2019-06-25 14:37 ` [PATCH 05/16] sh: add the missing pud_page definition Christoph Hellwig
2019-06-25 14:37 ` [PATCH 06/16] sh: use the generic get_user_pages_fast code Christoph Hellwig
2019-06-29 15:15 ` Guenter Roeck
2019-06-25 14:37 ` [PATCH 07/16] sparc64: add the missing pgd_page definition Christoph Hellwig
2019-06-25 14:37 ` [PATCH 08/16] sparc64: define untagged_addr() Christoph Hellwig
2019-06-25 14:37 ` [PATCH 09/16] sparc64: use the generic get_user_pages_fast code Christoph Hellwig
2019-07-17 21:59 ` Dmitry V. Levin
2019-07-17 22:04 ` Linus Torvalds
2019-07-17 23:30 ` Dmitry V. Levin
2019-07-18 0:17 ` Linus Torvalds
2019-07-18 1:21 ` David Miller
2019-07-18 21:43 ` David Miller
2019-07-18 21:14 ` David Miller
2019-07-19 6:00 ` Christoph Hellwig
2019-07-24 19:32 ` Anatoly Pugachev
2019-07-24 20:13 ` David Miller [this message]
2019-07-25 18:33 ` Anatoly Pugachev
2019-07-25 22:52 ` David Miller
2019-07-28 2:09 ` David Miller
2019-07-28 20:00 ` Anatoly Pugachev
2019-07-26 17:58 ` Khalid Aziz
2019-08-09 19:59 ` Anatoly Pugachev
2019-08-10 7:17 ` Christoph Hellwig
2019-08-10 19:36 ` Mikael Pettersson
2019-08-11 20:30 ` Anatoly Pugachev
2019-06-25 14:37 ` [PATCH 10/16] mm: rename CONFIG_HAVE_GENERIC_GUP to CONFIG_HAVE_FAST_GUP Christoph Hellwig
2019-06-25 14:37 ` [PATCH 11/16] mm: reorder code blocks in gup.c Christoph Hellwig
2019-06-25 14:37 ` [PATCH 12/16] mm: consolidate the get_user_pages* implementations Christoph Hellwig
2019-06-25 14:37 ` [PATCH 13/16] mm: validate get_user_pages_fast flags Christoph Hellwig
2019-06-25 14:37 ` [PATCH 14/16] mm: move the powerpc hugepd code to mm/gup.c Christoph Hellwig
2019-06-25 19:37 ` Andrew Morton
2019-06-26 5:49 ` Christoph Hellwig
2019-06-25 14:37 ` [PATCH 15/16] mm: switch gup_hugepte to use try_get_compound_head Christoph Hellwig
2019-06-25 14:37 ` [PATCH 16/16] mm: mark the page referenced in gup_hugepte Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2019-06-11 14:40 switch the remaining architectures to use generic GUP v3 Christoph Hellwig
2019-06-11 14:40 ` [PATCH 09/16] sparc64: use the generic get_user_pages_fast code Christoph Hellwig
2019-06-11 19:35 ` Khalid Aziz
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