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Desperate workaround for Git 64-Bit crashes


Last Cygwin core update introduced disastrous (i.e. for me) Git bugs, where some commands instantly crash, e.g.:

    % git gc
    error: pack-refs died of signal 11
    error: failed to run pack-refs

Tried rebasing, reinstalling Git, no help. Used "strace" to help identify executable "/usr/lib/git-core/git" as the problem: executing it in a shell with no arguments resulted in an immediate Segmentation Violation (executing "strace /usr/lib/git-core/git" worked fine). Surprisingly, "/bin/git" was a hard-link to the same file and started up fine (suggesting executable name/location dependencies). In desperation, executed

    % cd /usr/lib/git-core
    % rm git
    % ln -s /bin/git

and, amazingly, "/usr/lib/git-core/git" now executes and high-level commands are working again. Can't explain, but wanted to pass this strangeness on -- see log below....

MLS

[502 14:32:13][mstevans@Gragon: ~]$ cd /usr/lib/git-core
[503 14:32:21][mstevans@Gragon: /usr/lib/git-core]$ rm git
[504 14:32:22][mstevans@Gragon: /usr/lib/git-core]$ ln /bin/git .
[505 14:32:25][mstevans@Gragon: /usr/lib/git-core]$ cd
[507 14:32:31][mstevans@Gragon: ~]$ /usr/lib/git-core/git
Segmentation fault
[508 14:32:37][mstevans@Gragon: ~]$ cd /usr/lib/git-core
[510 14:32:47][mstevans@Gragon: /usr/lib/git-core]$ ./git
Segmentation fault
[511 14:32:52][mstevans@Gragon: /usr/lib/git-core]$ ln git dog
[512 14:33:02][mstevans@Gragon: /usr/lib/git-core]$ ./dog
Segmentation fault
[513 14:33:04][mstevans@Gragon: /usr/lib/git-core]$ rm dog
[514 14:33:09][mstevans@Gragon: /usr/lib/git-core]$ ln -s git dog
[515 14:33:13][mstevans@Gragon: /usr/lib/git-core]$ ./dog
Segmentation fault
[516 14:33:16][mstevans@Gragon: /usr/lib/git-core]$ rm dog
[517 14:33:22][mstevans@Gragon: /usr/lib/git-core]$ ln -s /bin/git dog
[518 14:33:25][mstevans@Gragon: /usr/lib/git-core]$ ./dog
usage: git [--version] [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
           [-p|--paginate|--no-pager] [--no-replace-objects] [--bare]
           [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
           [-c name=value] [--help]
           <command> [<args>]

The most commonly used git commands are:
   add        Add file contents to the index
   bisect     Find by binary search the change that introduced a bug
   branch     List, create, or delete branches
   checkout   Checkout a branch or paths to the working tree
   clone      Clone a repository into a new directory
   commit     Record changes to the repository
   diff       Show changes between commits, commit and working tree, etc
   fetch      Download objects and refs from another repository
   grep       Print lines matching a pattern
init Create an empty git repository or reinitialize an existing one
   log        Show commit logs
   merge      Join two or more development histories together
   mv         Move or rename a file, a directory, or a symlink
pull Fetch from and merge with another repository or a local branch
   push       Update remote refs along with associated objects
   rebase     Forward-port local commits to the updated upstream head
   reset      Reset current HEAD to the specified state
   rm         Remove files from the working tree and from the index
   show       Show various types of objects
   status     Show the working tree status
   tag        Create, list, delete or verify a tag object signed with GPG

See 'git help <command>' for more information on a specific command.

[519 14:33:28][mstevans@Gragon: /usr/lib/git-core]$ rm git dog
[520 14:33:38][mstevans@Gragon: /usr/lib/git-core]$ ln -s /bin/git
[521 14:33:51][mstevans@Gragon: /usr/lib/git-core]$ ./git
usage: git [--version] [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
           [-p|--paginate|--no-pager] [--no-replace-objects] [--bare]
           [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
           [-c name=value] [--help]
           <command> [<args>]

The most commonly used git commands are:
   add        Add file contents to the index
   bisect     Find by binary search the change that introduced a bug
   branch     List, create, or delete branches
   checkout   Checkout a branch or paths to the working tree
   clone      Clone a repository into a new directory
   commit     Record changes to the repository
   diff       Show changes between commits, commit and working tree, etc
   fetch      Download objects and refs from another repository
   grep       Print lines matching a pattern
init Create an empty git repository or reinitialize an existing one
   log        Show commit logs
   merge      Join two or more development histories together
   mv         Move or rename a file, a directory, or a symlink
pull Fetch from and merge with another repository or a local branch
   push       Update remote refs along with associated objects
   rebase     Forward-port local commits to the updated upstream head
   reset      Reset current HEAD to the specified state
   rm         Remove files from the working tree and from the index
   show       Show various types of objects
   status     Show the working tree status
   tag        Create, list, delete or verify a tag object signed with GPG

See 'git help <command>' for more information on a specific command.

[522 14:33:52][mstevans@Gragon: /usr/lib/git-core]$


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