diff options
| -rw-r--r-- | open_issues/git-core-2.mdwn | 37 | ||||
| -rw-r--r-- | open_issues/git_nfs_mmap.mdwn | 48 |
2 files changed, 84 insertions, 1 deletions
diff --git a/open_issues/git-core-2.mdwn b/open_issues/git-core-2.mdwn index 2cac56f2..a1fdbac1 100644 --- a/open_issues/git-core-2.mdwn +++ b/open_issues/git-core-2.mdwn @@ -1,4 +1,4 @@ -[[!meta copyright="Copyright © 2008, 2009, 2010 Free Software Foundation, +[[!meta copyright="Copyright © 2008, 2009, 2010, 2011 Free Software Foundation, Inc."]] [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable @@ -98,3 +98,38 @@ differences to HEAD. fatal: cannot pread pack file: Interrupted system call fatal: index-pack failed error: Could not fetch savannah + +--- + +2011-06-10, coulomb.SCHWINGE, checking out [[binutils]]' master branch, +starting from an empty working directory (after an external `git push`): + + $ git checkout -f + fatal: cannot create directory at 'gas/testsuite/gas/bfin': Interrupted system call + $ git checkout -f + error: unable to create file gas/testsuite/gas/i386/ilp32/x86-64-sse4_1-intel.d (File exists) + warning: unable to unlink gas/testsuite/gas/m68k-coff: Operation not permitted + fatal: cannot create directory at 'gas/testsuite/gas/m68k-coff': Operation not permitted + $ git checkout -f + error: unable to create file gas/testsuite/gas/h8300/h8300.exp (File exists) + error: unable to create file gas/testsuite/gas/i386/x86-64-addr32-intel.d (File exists) + error: unable to create file gas/testsuite/gas/ia64/secname.d (File exists) + error: unable to create file gas/testsuite/gas/m68k/pr11676.s (File exists) + Checking out files: 100% (12315/12315), done. + $ git status + # On branch master + # Changes not staged for commit: + # (use "git add <file>..." to update what will be committed) + # (use "git checkout -- <file>..." to discard changes in working directory) + # + # modified: gas/testsuite/gas/h8300/h8300.exp + # modified: gas/testsuite/gas/i386/x86-64-addr32-intel.d + # modified: gas/testsuite/gas/ia64/secname.d + # modified: gas/testsuite/gas/m68k/pr11676.s + # + no changes added to commit (use "git add" and/or "git commit -a") + $ rm gas/testsuite/gas/h8300/h8300.exp gas/testsuite/gas/i386/x86-64-addr32-intel.d gas/testsuite/gas/ia64/secname.d gas/testsuite/gas/m68k/pr11676.s + $ git checkout -f + $ git status + # On branch master + nothing to commit (working directory clean) diff --git a/open_issues/git_nfs_mmap.mdwn b/open_issues/git_nfs_mmap.mdwn new file mode 100644 index 00000000..b7e86491 --- /dev/null +++ b/open_issues/git_nfs_mmap.mdwn @@ -0,0 +1,48 @@ +[[!meta copyright="Copyright © 2011 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!tag open_issue_hurd open_issue_porting]] + + $ git-new-workdir /media/kepler-data/home/thomas/tmp/source/binutils/git master master + fatal: Out of memory? mmap failed: No such device + $ echo $? + 128 + $ showtrans /media/kepler-data + /hurd/nfs kepler.schwinge.homeip.net:/media/data + +With `sh -x`: + + [...] + + ln -s /media/kepler-data/home/thomas/tmp/source/binutils/git/.git/remotes master/.git/remotes + + ln -s /media/kepler-data/home/thomas/tmp/source/binutils/git/.git/rr-cache master/.git/rr-cache + + ln -s /media/kepler-data/home/thomas/tmp/source/binutils/git/.git/svn master/.git/svn + + cd master + + cp /media/kepler-data/home/thomas/tmp/source/binutils/git/.git/HEAD .git/HEAD + + git checkout -f master + fatal: Out of memory? mmap failed: No such device + +As one can easily guess (and confirm with [[hurd/debugging/rpctrace]]), `git` +tries to [[glibc/mmap]] a file via the [[hurd/translator/nfs]] translator, this +fails, and it isn't prepared to cope with that: + + [...] + 88->dir_lookup (".git/objects/pack/pack-37ca560e7877fa0cc6e5ddcd556aa73e5a3e3f40.idx" 2049 0) = 0 3 "/media/kepler-data/home/thomas/tmp/source/binutils/git/.git/objects/pack/pack-37" (null) + 62->dir_lookup ("media/kepler-data/home/thomas/tmp/source/binutils/git/.git/objects/pack/pack-37c" 2049 0) = 0 1 "/home/thomas/tmp/source/binutils/git/.git/objects/pack/pack-37ca560e7877fa0cc6e5" 61 + 61->dir_lookup ("home/thomas/tmp/source/binutils/git/.git/objects/pack/pack-37ca560e7877fa0cc6e5d" 2049 0) = 0 1 "" 84 + task3741-> 3206 (pn{ 33}) = 0 + 84->term_getctty () = 0xfffffed1 ((ipc/mig) bad request message ID) + 84->io_stat_request () = 0 {1 704 0 36308992 0 0 -1 33060 1 1000 1000 4712 0 1307711395 0 1307657003 0 1307657003 0 4096 16 0 1000 0 0 100663296 1836017780 29537 0 0 0 0} + 84->io_map_request () = 0x4000002d (Operation not supported) + 84->io_map_request () = 0x4000002d (Operation not supported) + 76->io_write_request ("fatal: Out of memory? mmap failed: No such device + " -1) = 0 50 + 64->proc_mark_exit_request (32768 0) = 0 + task3741-> 2008 () = 0 + Child 3741 exited with 128 |