Ian,
Out of interest, are the checksums that are different on zero byte files? I saw that hinted elsewhere. 

Phil




On Sep 23, 2011, at 1:58 AM, "Ian! D. Allen" <email address hidden> wrote:

> My testing is showing that the ecryptfs bug is still there in a
> fully-updated Ubuntu 11.04 on x86_64 with this kernel:
> 
> Linux linux 2.6.38-11-generic #50-Ubuntu SMP Mon Sep 12 21:17:25 UTC 2011
> x86_64 x86_64 x86_64 GNU/Linux
> 
> Running md5sum repeatedly over the same 17GB ecryptfs directory gives
> different md5sums on some of the files on some of the runs.
> 
> Another fact: I am using an OCZ SSD for this file system.
> 
> -- 
> You received this bug notification because you are subscribed to a
> duplicate bug report (633423).
> https://bugs.launchpad.net/bugs/745836
> 
> Title:
>  soffice.bin crashed with SIGSEGV in cppu::throwException()
> 
> Status in LibreOffice Productivity Suite:
>  Invalid
> Status in “ecryptfs-utils” package in Ubuntu:
>  Confirmed
> Status in “libreoffice” package in Ubuntu:
>  Confirmed
> Status in “openoffice.org” package in Ubuntu:
>  Won't Fix
> 
> Bug description:
>  Binary package hint: libreoffice
> 
>  1) lsb_release -rd
>  Description:    Ubuntu 11.04
>  Release:    11.04
> 
>  2) apt-cache policy libreoffice-calc
>  libreoffice-calc:
>    Installed: 1:3.3.3-1ubuntu2
>    Candidate: 1:3.3.3-1ubuntu2
>    Version table:
>   *** 1:3.3.3-1ubuntu2 0
>          100 /var/lib/dpkg/status
>       1:3.3.2-1ubuntu5 0
>          500 http://us.archive.ubuntu.com/ubuntu/ natty-updates/main i386 Packages
>       1:3.3.2-1ubuntu4 0
>          500 http://us.archive.ubuntu.com/ubuntu/ natty/main i386 Packages
> 
>  apt-cache policy libreoffice-writer
>  libreoffice-writer:
>    Installed: 1:3.3.3-1ubuntu2
>    Candidate: 1:3.3.3-1ubuntu2
>    Version table:
>   *** 1:3.3.3-1ubuntu2 0
>          100 /var/lib/dpkg/status
>       1:3.3.2-1ubuntu5 0
>          500 http://us.archive.ubuntu.com/ubuntu/ natty-updates/main i386 Packages
>       1:3.3.2-1ubuntu4 0
>          500 http://us.archive.ubuntu.com/ubuntu/ natty/main i386 Packages
> 
>  3) What is expected to happen in a KDE Natty in a KDE session with the
>  KDE integration active or GNOME is a Writer or Calc file untouched for
>  a long period of time (ex. 1 hour+) is when one tries to edit it, the
>  application does not crash.
> 
>  4) What happens instead is it crashes. This is highly correlated to
>  both EcryptfsInUse and resource constrained (Memory & CPU >> 50%)
>  environments. Occurs with:
> 
>  + Intel drivers, Compiz not enabled, Writer open only bug 745836
>  + binary ATI drivers, Compiz enabled, Calc open only bug 799047
> 
>  WORKAROUND: Use Gnumeric.
> 
>  apt-cache policy gnumeric
>  gnumeric:
>    Installed: 1.10.13-1ubuntu1
>    Candidate: 1.10.13-1ubuntu1
>    Version table:
>   *** 1.10.13-1ubuntu1 0
>          500 http://us.archive.ubuntu.com/ubuntu/ natty/universe i386 Packages
>          100 /var/lib/dpkg/status
> 
>  ProblemType: Crash
>  DistroRelease: Ubuntu 11.04
>  Package: libreoffice-core 1:3.3.2-1ubuntu2
>  ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
>  Uname: Linux 2.6.38-7-generic i686
>  Architecture: i386
>  Date: Wed Mar 30 12:34:39 2011
>  Disassembly: => 0x100000:    Cannot access memory at address 0x100000
>  EcryptfsInUse: Yes
>  ExecutablePath: /usr/lib/libreoffice/program/soffice.bin
>  ProcCmdline: /usr/lib/libreoffice/program/soffice.bin -writer -splash-pipe=5
>  ProcEnviron:
>   LANG=en_US.UTF-8
>   SHELL=/bin/bash
>  SegvAnalysis:
>   Segfault happened at: 0x100000:    Cannot access memory at address 0x100000
>   PC (0x00100000) not located in a known VMA region (needed executable region)!
>  SegvReason: executing unknown VMA
>  Signal: 11
>  SourcePackage: libreoffice
>  StacktraceTop:
>   ?? ()
>   cppu::throwException(com::sun::star::uno::Any const&) () from /usr/lib/libreoffice/program/../basis-link/program/../ure-link/lib/libuno_cppuhelpergcc3.so.3
>   ucbhelper::cancelCommandExecution(com::sun::star::ucb::IOErrorCode, com::sun::star::uno::Sequence<com::sun::star::uno::Any> const&, com::sun::star::uno::Reference<com::sun::star::ucb::XCommandEnvironment> const&, rtl::OUString const&, com::sun::star::uno::Reference<com::sun::star::ucb::XCommandProcessor> const&) () from /usr/lib/libreoffice/program/../basis-link/program/libucbhelper4gcc3.so
>   ?? () from /usr/lib/libreoffice/program/../basis-link/program/libucpfile1.so
>   ?? () from /usr/lib/libreoffice/program/../basis-link/program/libucpfile1.so
>  Title: soffice.bin crashed with SIGSEGV in cppu::throwException()
>  UpgradeStatus: Upgraded to natty on 2011-03-29 (0 days ago)
>  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
> 
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