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xen-devel
Re: [Xen-devel] Xen 4.0.1 "xc_map_foreign_batch: mmap failed: Cannot al
>>> On 1/7/2011 at 04:18 AM, in message
<alpine.DEB.2.00.1101071115280.2390@kaball-desktop>, Stefano Stabellini
<stefano.stabellini@xxxxxxxxxxxxx> wrote:
> On Fri, 7 Jan 2011, Jan Beulich wrote:
>> >>> On 06.01.11 at 21:49, Charles Arnold wrote:
>> > >>> On 1/6/2011 at 10:14 AM, in message <4D25C782.5B74.0091.0@xxxxxxxxxx>,
> Charles Arnold wrote:
>> > Attached is the messages file with the printk output.
>>
>> Hmm, a failure due to may_expand_vm() is really odd. Something
>> must be explicitly setting a non-infinite RLIMIT_AS on qemu-dm (or
>> one of its parents), as the default is "infinite" (as reaching "infinity"
>> - being ~0UL - is simply impossible, and unduly large lengths should
>> be caught by get_unmapped_area() already).
>>
>> /proc/<pid>/limits would at least tell us what the limit is.
>>
>
> Knowing this would be very interesting.
>From the qemu-dm process handling the win2k8r2 guest.
Limit Soft Limit Hard Limit Units
Max cpu time unlimited unlimited seconds
Max file size unlimited unlimited bytes
Max data size unlimited unlimited bytes
Max stack size unlimited unlimited bytes
Max core file size 1024 unlimited bytes
Max resident set unlimited unlimited bytes
Max processes 15207 15207 processes
Max open files 1024 8192 files
Max locked memory unlimited unlimited bytes
Max address space 3454238720 unlimited bytes
Max file locks unlimited unlimited locks
Max pending signals 15207 15207 signals
Max msgqueue size 819200 819200 bytes
Max nice priority 0 0
Max realtime priority 0 0
Max realtime timeout unlimited unlimited us
>From the xend parent process
Limit Soft Limit Hard Limit Units
Max cpu time unlimited unlimited seconds
Max file size unlimited unlimited bytes
Max data size unlimited unlimited bytes
Max stack size 8388608 unlimited bytes
Max core file size 1024 unlimited bytes
Max resident set 1838370816 unlimited bytes
Max processes 15207 15207 processes
Max open files 1024 8192 files
Max locked memory 65536 262144 bytes
Max address space 3454238720 unlimited bytes
Max file locks unlimited unlimited locks
Max pending signals 15207 15207 signals
Max msgqueue size 819200 819200 bytes
Max nice priority 0 0
Max realtime priority 0 0
Max realtime timeout unlimited unlimited us
- Charles
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