linux-kernel - Re: x86: early boot crash: "alloc_low_page: ran out of memory" (bisected)

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: <CAE9FiQVbGrXLEWVNugJUa=YAA8mHyTM32Ow5kUU7cYBvMpk5gA@mail.gmail.com>
Date:	Mon, 12 Aug 2013 16:47:04 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Dave Hansen <dave@...1.net>
Cc:	"the arch/x86 maintainers" <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: x86: early boot crash: "alloc_low_page: ran out of memory" (bisected)

On Mon, Aug 12, 2013 at 9:27 AM, Dave Hansen <dave@...1.net> wrote:
> On 08/09/2013 07:21 PM, Yinghai Lu wrote:
>> -/* need 4 4k for initial PMD_SIZE, 4k for 0-ISA_END_ADDRESS */
>> -#define INIT_PGT_BUF_SIZE    (5 * PAGE_SIZE)
>> +/* need 4 4k for initial PMD_SIZE,  3 4k for 0-ISA_END_ADDRESS */
>> +#define INIT_PGT_BUF_SIZE    (7 * PAGE_SIZE)
>>  RESERVE_BRK(early_pgt_alloc, INIT_PGT_BUF_SIZE);
>>  void  __init early_alloc_pgt_buf(void)
>
> That patch allows me to boot again.  I've also attached a boot with the
> debug options that you asked for.
>
> I'm really curious to see the full changelog for why this patch helps
> any why it's only triggered for large memory sizes. :)

Thanks, please check changelog at

https://patchwork.kernel.org/patch/2843321/

Yinghai
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/