GNU bug report logs - #22526
25.0.90; Crash starting gnus

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Message #110 received at 22526 <at> debbugs.gnu.org (full text, mbox):

From: Fabrice Popineau <fabrice.popineau <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 22526 <at> debbugs.gnu.org, andrewjmoreton <at> gmail.com
Subject: Re: bug#22526: 25.0.90; Crash starting gnus
Date: Mon, 15 Feb 2016 09:09:09 +0100

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2016-02-15 4:32 GMT+01:00 Eli Zaretskii <eliz <at> gnu.org>:

> > From: Fabrice Popineau <fabrice.popineau <at> gmail.com>
> > Date: Sun, 14 Feb 2016 22:41:43 +0100
> > Cc: andrewjmoreton <at> gmail.com, 22526 <at> debbugs.gnu.org
> >
> > As vmmap shows it, the next region is unusable.
> > The reserved region is 4k and the 60k after are lost.
>
> But we only asked for 800 bytes, which could have been satisfied by
> those 4KB that were reserved there, no?  So why dod the commit fail?
>
>
As I read it, the first bloc has been reserved and committed for 4k =
0x10000 starting at 0x1f0000, and then 800 bytes
have been asked for at 0x1f0000+0x10000 = 0x200000, but we failedl to
extend the block (mmap_realloc failed
to commit further pages to accommodate the 800 bytes).

Am I wrong ?

Fabrice

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