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Re: file corruption during emacs build on XFS logical volume

Subject: Re: file corruption during emacs build on XFS logical volume
From: "D. Stimits" <stimits@xxxxxxxxxx>
Date: Wed, 02 Jan 2002 18:10:25 -0700
Cc: Linux XFS <linux-xfs@xxxxxxxxxxx>
References: <6u4rm4r53e.fsf@xxxxxxxxxxxxx> <1009995505.14223.9.camel@xxxxxxxxxxxxxxxxxxxx> <6uy9jgpn2x.fsf@xxxxxxxxxxxxx> <6uu1u4pf48.fsf@xxxxxxxxxxxxx> <1010013019.1281.6.camel@xxxxxxxxxxxxxxxxxxxx> <6upu4spccv.fsf@xxxxxxxxxxxxx> <1010013997.1315.11.camel@xxxxxxxxxxxxxxxxxxxx> <6ulmfgpau5.fsf@xxxxxxxxxxxxx> <6uheq4p9ny.fsf@xxxxxxxxxxxxx>
Reply-to: stimits@xxxxxxxxxx
Sender: owner-linux-xfs@xxxxxxxxxxx
Sean Neakums wrote:
> 
> begin  Sean Neakums quotation:
> 
> > begin  Steve Lord quotation:
> >
> >> I completed an emacs build - surprisingly quickly, but I want to try
> >> a different version, I am building rpms here and there is something
> >> wrong with the rpm package I have - or it is incompatible with my
> >> machine.... the compile worked, but the rpm failed to build, but the
> >> error seems more to do with the rpm package itself than a corrupted
> >> file.
> >>
> >> Have to dash now, more tomorrow.
> >
> > I've just realised that my swap is divided between two partitions.
> > I've taken one and created an XFS filesystem on it.  Building emacs
> > now.
> 
> Weird, it failed the with the same errors I was getting using the XFS
> LVM volume:
> 
>   make[2]: *** No rule to make target 
> `/datacomp/emacs21-21.1/src/../lisp/register.elc', needed by `../etc/DOC'.  
> Stop.
>   make[2]: Leaving directory `/datacomp/emacs21-21.1/src'
>   make[1]: *** [src] Error 2
>   make[1]: Leaving directory `/datacomp/emacs21-21.1'
>   make: *** [debian/stamp-build] Error 2
> 
> I've been unpacking the source fresh for each try.

FYI, file compression is extremely sensitive to marginal ram. If
unpacking has anything to do with it at all, and not the source of the
unpack or destination, you should double-check ram with memtest86 or
something similar. Let it run for many hours.

D. Stimits, stimits@xxxxxxxxxx

> 
> What seems to be causing this build error is that the dumped emacs
> binary is missing.  I scrolled back in the make output, and saw
> messages indicating that the dump had been successfully done to the
> files src/emacs-21.1 and src/emacs, and that src/temacs had been
> deleted.  But when I look in src/, temacs is still there, and there is
> no sign of emacs-21.1 and emacs, but temacs is still there.
> 
> This is jolly strange.  Could the very presence of LVM be affecting
> XFS, even though the filesystem is on a simple partition?
> 
> --
>  /////////////////  |                  | The spark of a pin
> <sneakums@xxxxxxxx> |  (require 'gnu)  | dropping, falling feather-like.
>  \\\\\\\\\\\\\\\\\  |                  | There is too much noise.


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