linux-kernel - Re: kernel panic due to https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2830bf6f05fb3e05bc4743274b806c821807a684

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

Message-ID: <20190125155810.GQ3560@dhcp22.suse.cz>
Date:   Fri, 25 Jan 2019 16:58:10 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     robert shteynfeld <robert.shteynfeld@...il.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Mikhail Zaslonko <zaslonko@...ux.ibm.com>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Gerald Schaefer <gerald.schaefer@...ibm.com>,
        Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        Steven Sistare <steven.sistare@...cle.com>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        Bob Picco <bob.picco@...cle.com>
Subject: Re: kernel panic due to
 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2830bf6f05fb3e05bc4743274b806c821807a684

On Fri 25-01-19 10:52:06, robert shteynfeld wrote:
> The person who pointed to mm/page_alloc.c commits likely causing the
> issue did not have time to build a patched/reverted kernel to confirm
> his hypothesis.  When I tried backing out the two separate commits he
> suggested, the first commit (ie. the one in the subject) was the one
> that when backed out fixed the boot issue.  Reverting the second one
> had no effect.

OK, so can you provide the full dmesg (with revert) along wth
memblock=debug kernel parameter. Also would it be possible to configure
serial or net console to get the actual panic report please?
-- 
Michal Hocko
SUSE Labs