linux-kernel - Re: [mm, compaction] e332f741a8: BUG:unable_to_handle

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20190403070929.GR3189@techsingularity.net>
Date:   Wed, 3 Apr 2019 08:09:29 +0100
From:   Mel Gorman <mgorman@...hsingularity.net>
To:     kernel test robot <rong.a.chen@...el.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Qian Cai <cai@....pw>, Vlastimil Babka <vbabka@...e.cz>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        David Rientjes <rientjes@...gle.com>,
        YueHaibing <yuehaibing@...wei.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org,
        ltp@...ts.linux.it
Subject: Re: [mm, compaction] e332f741a8: BUG:unable_to_handle_kernel

On Wed, Apr 03, 2019 at 02:42:00PM +0800, kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-7):
> 
> commit: e332f741a8dd1ec9a6dc8aa997296ecbfe64323e ("mm, compaction: be selective about what pageblocks to clear skip hints")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> 
> in testcase: ltp
> with following parameters:
> 
> 	disk: 1HDD
> 	fs: xfs
> 	test: syscalls_part4
> 
> test-description: The LTP testsuite contains a collection of tools for testing the Linux kernel and related features.
> test-url: http://linux-test-project.github.io/
> 
> 
> on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
> 
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> 

There are fixes queued in Andrew's tree that should cover this.

-- 
Mel Gorman
SUSE Labs