linux-kernel - Re: Panic on 8-node system in memblock_virt_alloc_try

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 for Android: free password hash cracker in your pocket

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

Date:	Thu, 23 Jan 2014 21:55:13 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Dave Hansen <dave.hansen@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>
Cc:	Grygorii Strashko <grygorii.strashko@...com>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Panic on 8-node system in memblock_virt_alloc_try_nid()

On Thu, Jan 23, 2014 at 2:49 PM, Dave Hansen <dave.hansen@...el.com> wrote:
> Linus's current tree doesn't boot on an 8-node/1TB NUMA system that I
> have.  Its reboots are *LONG*, so I haven't fully bisected it, but it's
> down to a just a few commits, most of which are changes to the memblock
> code.  Since the panic is in the memblock code, it looks like a
> no-brainer.  It's almost certainly the code from Santosh or Grygorii
> that's triggering this.
>
> Config and good/bad dmesg with memblock=debug are here:
>
>         http://sr71.net/~dave/intel/3.13/
>
> Please let me know if you need it bisected further than this.

Please check attached patch, and it should fix the problem.

Yinghai

View attachment "fix_numa_x.patch" of type "text/x-patch" (1868 bytes)