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RE: [2.6] Perl weirdness with ext3 and HTREE



Thanks, that script has successfully massed up my box.
I will play with it in the weekend.

Chris

> -----Original Message-----
> From: Martin Schlemmer [mailto:azarah gentoo org]
> Sent: Wednesday, August 06, 2003 3:28 PM
> To: Christopher Li
> Cc: KML; akpm digeo com; adilger clusterfs com; ext3-users redhat com;
> x86-kernel gentoo org
> Subject: RE: [2.6] Perl weirdness with ext3 and HTREE
> 
> 
> On Wed, 2003-08-06 at 22:22, Christopher Li wrote:
> 
> > > Just grab the perl source, if you want, I can mail you 
> the ebuild that
> > > should give some direction in how to compile it, or grab 
> your local
> > > .spec, configure it (maybe with install location not in 
> /), and then
> > > just compile and finally install to a ext3 FS with HTREE enabled. 
> > > Usually over here, it keeps on leaving an invalid entry to
> > > ..usr/share/man/man3/Hash::Util.tmp.
> > > 
> > 
> > I am running 2.6-test2 kernel. Download the perl 5.8.0 
> (stable.tar.gz).
> > ./Configure --prefix=/mnt/hdc3; make; make install.
> > 
> > It did not happen for me. Hash::Util.3 was installed correctly.
> > (Of course, I did turn on directory index)
> > 
> > Can you send me more infomation how you build the perl package
> > and install it? I guess I have to do more gentoo like step 
> to duplicate
> > it :-)
> > 
> 
> I have gotten a few of these while testing:
> 
> -----------------------------------------
> EXT3-fs warning (device hdc1): ext3_unlink: Deleting nonexistent file
> (4759186), 0
> Slab corruption: start=cb147184, expend=cb14736f, problemat=cb1471f8
> Last user: [<c019ae7f>](ext3_destroy_inode+0x1d/0x21)
> Data:
> **************************************************************
> ******************************************************F4 F1 
> 15 F6 
> **************************************************************
> **************************************************************
> **************************************************************
> **************************************************************
> **************************************************************
> *************************************************************A5
> Next: 71 F0 2C .7F AE 19 C0 71 F0 2C .********************
> slab error in check_poison_obj(): cache `ext3_inode_cache': object was
> modified after freeing
> Call Trace:
>  [<c0141634>] check_poison_obj+0x161/0x1a1
>  [<c0143128>] kmem_cache_alloc+0x11f/0x159
>  [<c019ae46>] ext3_alloc_inode+0x18/0x34
>  [<c019ae46>] ext3_alloc_inode+0x18/0x34
>  [<c0171f74>] alloc_inode+0x1c/0x14d
>  [<c01729db>] new_inode+0x1a/0xa2
>  [<c0192207>] ext3_new_inode+0x41/0x6d8
>  [<c014313c>] kmem_cache_alloc+0x133/0x159
>  [<c01a0244>] new_handle+0x1c/0x4e
>  [<c01992e4>] ext3_mkdir+0x74/0x2b6
>  [<c01665dc>] permission+0x2f/0x4b
>  [<c0168555>] vfs_mkdir+0x6d/0xbf
>  [<c016865e>] sys_mkdir+0xb7/0xf7
>  [<c010aaa5>] sysenter_past_esp+0x52/0x71
>   
> -----------------------------------------
> 
> A more complete one is attached (just more similar ones).
> 
> Attached is a script (test.sh) and a list of man page names 
> (list) that
> I can recreate it without needing perl.  The list may or may not be
> pruned some more, but I will try tonight again after some sleep ;)
> 
> Here is a test run (note that it do the same with symlinks instead of
> hard links):
> 
> -----------------------------------------
> nosferatu space # uname -a
> Linux nosferatu 2.6.0-test2-bk5 #2 SMP Wed Aug 6 00:21:15 
> SAST 2003 i686
> Intel(R) Pentium(R) 4 CPU 2.40GHz GenuineIntel GNU/Linux
> nosferatu space # dumpe2fs /dev/hdc1 | grep features
> dumpe2fs 1.34 (25-Jul-2003)
> Filesystem features:      has_journal dir_index filetype 
> needs_recovery
> sparse_super large_file
> nosferatu space # pwd
> /space
> nosferatu space # mount | grep `pwd`
> /dev/hdc1 on /space type ext3 (rw,noatime)
> nosferatu space # ls foo/
> ls: foo/: No such file or directory
> nosferatu space # cat test.sh
> #!/bin/bash
>  
> i=1
>  
> testdir="`pwd`/foo"
>  
> (rm -rf "$testdir"; rm -rf "$testdir") &>/dev/null
> mkdir -p "$testdir"
>  
> for x in $(cat list)
> do
>         temp="$testdir/${x/3pm/tmp}"
>         x="$testdir/${x}"
>  
>         touch "$temp"
>         ln "$temp" "$x"
>         rm -f "$temp"
>  
> #       echo "Pass $i"
>  
> #       i=$((i+1))
> done
>  
> nosferatu space # ./test.sh
> nosferatu space # ls foo/
> ls: foo/Win32.tmp: No such file or directory
> Fcntl.3pm                    PerlIO::via.3pm
> Hash::Util.3pm               PerlIO::via::QuotedPrint.3pm
> I18N::Collate.3pm            Pod::Checker.3pm
> I18N::LangTags.3pm           Pod::Find.3pm
> I18N::LangTags::List.3pm     Pod::Html.3pm
> I18N::Langinfo.3pm           Pod::InputObjects.3pm
> IO.3pm                       Pod::LaTeX.3pm
> IO::Dir.3pm                  Pod::Man.3pm
> IO::File.3pm                 Pod::ParseLink.3pm
> IO::Handle.3pm               Pod::ParseUtils.3pm
> IO::Pipe.3pm                 Pod::Parser.3pm
> IO::Poll.3pm                 Pod::Plainer.3pm
> IO::Seekable.3pm             Pod::Select.3pm
> IO::Select.3pm               Pod::Text.3pm
> IO::Socket.3pm               Pod::Text::Color.3pm
> IO::Socket::INET.3pm         Pod::Text::Overstrike.3pm
> IO::Socket::UNIX.3pm         Pod::Text::Termcap.3pm
> IPC::Msg.3pm                 Pod::Usage.3pm
> IPC::Open2.3pm               SDBM_File.3pm
> IPC::Open3.3pm               Safe.3pm
> IPC::Semaphore.3pm           Scalar::Util.3pm
> IPC::SysV.3pm                Search::Dict.3pm
> List::Util.3pm               SelectSaver.3pm
> Locale::Constants.3pm        SelfLoader.3pm
> Locale::Country.3pm          Shell.3pm
> Locale::Currency.3pm         Socket.3pm
> Locale::Language.3pm         Storable.3pm
> Locale::Maketext.3pm         Switch.3pm
> Locale::Maketext::TPJ13.3pm  Symbol.3pm
> Locale::Script.3pm           Sys::Hostname.3pm
> MIME::Base64.3pm             Sys::Syslog.3pm
> MIME::QuotedPrint.3pm        Term::ANSIColor.3pm
> Math::BigFloat.3pm           Term::Cap.3pm
> Math::BigFloat::Trace.3pm    Term::Complete.3pm
> Math::BigInt.3pm             Term::ReadLine.3pm
> Math::BigInt::Calc.3pm       Test.3pm
> Math::BigInt::Trace.3pm      Test::Builder.3pm
> Math::BigRat.3pm             Test::Harness.3pm
> Math::Complex.3pm            Test::Harness::Assert.3pm
> Math::Trig.3pm               Test::Harness::Iterator.3pm
> Memoize.3pm                  Test::Harness::Straps.3pm
> Memoize::AnyDBM_File.3pm     Test::More.3pm
> Memoize::Expire.3pm          Test::Simple.3pm
> Memoize::ExpireFile.3pm      Test::Tutorial.3pm
> Memoize::ExpireTest.3pm      Text::Abbrev.3pm
> Memoize::NDBM_File.3pm       Text::Balanced.3pm
> Memoize::SDBM_File.3pm       Text::ParseWords.3pm
> Memoize::Storable.3pm        Text::Soundex.3pm
> NDBM_File.3pm                Text::Tabs.3pm
> NEXT.3pm                     Text::Wrap.3pm
> Net::Cmd.3pm                 Thread.3pm
> Net::Config.3pm              Thread::Queue.3pm
> Net::Domain.3pm              Thread::Semaphore.3pm
> Net::FTP.3pm                 Tie::Array.3pm
> Net::FTP::A.3pm              Tie::File.3pm
> Net::FTP::E.3pm              Tie::Handle.3pm
> Net::FTP::I.3pm              Tie::Hash.3pm
> Net::FTP::L.3pm              Tie::Memoize.3pm
> Net::FTP::dataconn.3pm       Tie::RefHash.3pm
> Net::NNTP.3pm                Tie::Scalar.3pm
> Net::Netrc.3pm               Tie::SubstrHash.3pm
> Net::POP3.3pm                Time::HiRes.3pm
> Net::Ping.3pm                Time::Local.3pm
> Net::SMTP.3pm                Time::gmtime.3pm
> Net::Time.3pm                Time::localtime.3pm
> Net::hostent.3pm             Time::tm.3pm
> Net::libnetFAQ.3pm           UNIVERSAL.3pm
> Net::netent.3pm              Unicode::Collate.3pm
> Net::protoent.3pm            Unicode::Normalize.3pm
> Net::servent.3pm             Unicode::UCD.3pm
> O.3pm                        User::grent.3pm
> Opcode.3pm                   User::pwent.3pm
> POSIX.3pm                    Win32.3pm
> PerlIO.3pm                   XS::APItest.3pm
> PerlIO::encoding.3pm         XS::Typemap.3pm
> PerlIO::scalar.3pm           XSLoader.3pm
> nosferatu space #
> ----------------------------------
> 
> 
> Thanks,
> 
> -- 
> 
> Martin Schlemmer
> 
> 
> 
> 





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