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Re: ext2fs crash


From: Justus Winter
Subject: Re: ext2fs crash
Date: Tue, 17 May 2016 15:35:03 +0200
User-agent: alot/0.3.8.dev

Hi,

Quoting Thomas Schwinge (2016-05-13 23:02:08)
> Hi!
> 
> On Mon, 09 May 2016 16:11:52 +0200, Justus Winter 
> <4winter@informatik.uni-hamburg.de> wrote:
> > Quoting Thomas Schwinge (2016-04-27 22:53:33)
> > > [...]
> > > I suppose we want to fix (or, at least understand) that problem before
> > > making the releases?
> > 
> > No.  Let's take what we have and release it.  Even though some people
> > are having trouble with ext2fs, for most people it is working really
> > well (e.g. the build daemons).
> 
> So, the ext2fs issues (bogus port deallocations, crash) are something to
> look into (later, I agree), [...]

I believe I can shed some light on the former problem:

$ settrans -ac hi /hurd/hello ; cat hi ; pkill hello ; rm hi
Hello, world!
(kernel complaining about ext2fs doing bogus port operations)

The problem is that libfshelp doesn't handle translators dying right.
I added code for the recursive mtab translator to do that, assuming
that the existing code copes with translators going away, but it does
not.  This merely needs to be implemented.

Justus



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