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Bug#310652: marked as done (d-i leaks an entire (reduced) copy of libc during anna run)

Your message dated Thu, 13 Aug 2020 10:16:16 +0200
with message-id <20200813081616.xb7w4mvni4lkft2d@function>
and subject line Re: Bug#310652: d-i leaks an entire (reduced) copy of libc during anna run
has caused the Debian Bug report #310652,
regarding d-i leaks an entire (reduced) copy of libc during anna run
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
310652: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=310652
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: lowmem
Severity: normal
Tags: d-i

This is a stange package to file the bug on, since the real bug is in
d-i, but mostly people doing lowmem will care about this, and a lowmem
hack may be the best/only way to deal with the problem.

d-i boots an initrd containing a reduced libc.so, that's about 640k big.
During the anna run this is replaced by a fullsize libc. Then d-i goes
on and all is well.. except the original libc.so is kept in memory by
all the programs that were started up running it (init, cdebconf, etc).

I've verified this by checking the /proc/nnn/maps files. Just look for
the "(deleted)". During a netinst install, the only such lines by the
end of the anna run are for libc.so.6, ld-linux.so, libdl.so.2. I
imagine it might be worse if any other libraries are out of sync between
the initrd and udebs and get upgraded though.

I can't think of a clean way to fix this, but a lowmem hack that forces
d-i to restart after anna might be worth coding up, to reclaim this >
640k of memory.

-- 
see shy jo

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--- End Message ---
--- Begin Message --- 
Hello,

Joey Hess, le mar. 24 mai 2005 21:09:08 -0400, a ecrit:
> d-i boots an initrd containing a reduced libc.so, that's about 640k big.
> During the anna run this is replaced by a fullsize libc. Then d-i goes
> on and all is well.. except the original libc.so is kept in memory by
> all the programs that were started up running it (init, cdebconf, etc).

We are actually not shipping a reduced libc.so any more nowadays, so
it's not an issue any more and thus closing it.

Samuel

--- End Message ---
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