Re: [uml-devel] was is the max. memory for a 32 bit UML decreased ?

2015-01-10 Thread Toralf Förster
On 01/10/2015 03:09 PM, Richard Weinberger wrote: Am 10.01.2015 um 15:07 schrieb Toralf Förster: On 01/06/2015 12:45 AM, Richard Weinberger wrote: On Tue, Jun 24, 2014 at 10:52 PM, Toralf Förster toralf.foers...@gmx.de wrote: IIRC in former times I could assign an UML instance 2047M, but

Re: [uml-devel] was is the max. memory for a 32 bit UML decreased ?

2015-01-10 Thread Richard Weinberger
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

Re: [uml-devel] was is the max. memory for a 32 bit UML decreased ?

2015-01-10 Thread Toralf Förster
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

Re: [uml-devel] was is the max. memory for a 32 bit UML decreased ?

2015-01-10 Thread Toralf Förster
On 01/06/2015 12:45 AM, Richard Weinberger wrote: On Tue, Jun 24, 2014 at 10:52 PM, Toralf Förster toralf.foers...@gmx.de wrote: IIRC in former times I could assign an UML instance 2047M, but nowadays even 2044M is too big. This depends on the host side. UML heavily depends on the host

Re: [uml-devel] was is the max. memory for a 32 bit UML decreased ?

2015-01-10 Thread Richard Weinberger
Am 10.01.2015 um 19:11 schrieb Toralf Förster: On 01/10/2015 06:45 PM, Richard Weinberger wrote: Am 10.01.2015 um 18:37 schrieb Toralf Förster: 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

Re: [uml-devel] was is the max. memory for a 32 bit UML decreased ?

2015-01-05 Thread Richard Weinberger
On Tue, Jun 24, 2014 at 10:52 PM, Toralf Förster toralf.foers...@gmx.de wrote: IIRC in former times I could assign an UML instance 2047M, but nowadays even 2044M is too big. This depends on the host side. UML heavily depends on the host memory layout. Now with ASLR and such stuff the layout

[uml-devel] was is the max. memory for a 32 bit UML decreased ?

2014-06-24 Thread Toralf Förster
IIRC in former times I could assign an UML instance 2047M, but nowadays even 2044M is too big. FWIW my host and guest are both 32 bit Gentoo Linux, I do use kernel 3.15.1 for the host system and latest git tree kernel for the UML guest. -- Toralf