Comment 54 for bug 745836

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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