From: "Toralf Förster" <toralf.foerster@gmx.de>
To: Richard Weinberger <richard@nod.at>
Cc: Daniel Walter <sahne@0x90.at>,
UML devel <user-mode-linux-devel@lists.sourceforge.net>
Subject: Re: [uml-devel] was is the max. memory for a 32 bit UML decreased ?
Date: Sat, 10 Jan 2015 18:37:45 +0100 [thread overview]
Message-ID: <54B16369.4090604@gmx.de> (raw)
In-Reply-To: <54B16070.7070807@nod.at>
On 01/10/2015 06:25 PM, Richard Weinberger wrote:
> Am 10.01.2015 um 17:08 schrieb Toralf Förster:
>> yes, it never worked with values above 2026M (tested at an old ThinkPad T420, running a 32 bit Gentoo Linux with host kernel 3.17.4 )
>
> The theoretical max. was always 2GiB due to the limited address space on ia32.
> 2GiB - UML binary - ASLR overhead/padding is what you can use.
> But the "write: File too large" issue is something new. I bet it origins from tmpfs or shm on the host side.
>
> Thanks,
> //richard
>
Well, I already had explicitly to define the mount, b/c Gentoo's default is "noexec":
tfoerste@n22 ~ $ mount | grep shm
shm on /dev/shm type tmpfs (rw,nosuid,nodev,relatime)
--
Toralf
pgp key: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 0076 E94E
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next prev parent reply other threads:[~2015-01-10 17:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-24 20:52 [uml-devel] was is the max. memory for a 32 bit UML decreased ? Toralf Förster
2015-01-05 23:45 ` Richard Weinberger
2015-01-10 14:07 ` Toralf Förster
[not found] ` <54B1329B.6060708@nod.at>
2015-01-10 16:08 ` Toralf Förster
2015-01-10 17:25 ` Richard Weinberger
2015-01-10 17:37 ` Toralf Förster [this message]
[not found] ` <54B1652E.50605@nod.at>
2015-01-10 18:11 ` Toralf Förster
2015-01-10 18:16 ` Richard Weinberger
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