Re: Size of emacs.pdmp changes between successive installs

[Ulrich Mueller]

>>>>> On Tue, 19 Nov 2019, Andreas Schwab wrote:

> On Nov 19 2019, Ulrich Mueller wrote:
>> For two successive installs from a clean checkout of the same git
>> commit, emacs.pdmp ends up having slightly different size:
>>
>> $ stat -c %s /usr/libexec/emacs/27.0.50/x86_64-pc-linux-gnu/emacs.pdmp
>> 10563744
>>
>> $ stat -c %s /usr/libexec/emacs/27.0.50/x86_64-pc-linux-gnu/emacs.pdmp
>> 10563728
>>
>> Why is that so? Shouldn't it be deterministic?

> Try disabling ASLR.  That doesn't make it completely reproducible,
> though.

Indeed. After doing "echo -n 0 >/proc/sys/kernel/randomize_va_space"
I get at least the same size every time.

This is with Linux 4.14.154 and glibc 2.30.