This has me pretty well stumped. All I can think to do is to look at
the source code for genslurp_helper (the old error message gave you a
good hint where to start looking) and instrument it with extra output.
I'd first remove the unsafeInterleaveIOs. I don't think they're
buggy, but they complicate the instrumentation by making the order of
evaluation less clear. Then I'd add notes like
putStrLn "I'm here"
into the code. If you know Haskell, this is easy. If you don't, you
should just need to know that the code here is divided into blocks by
indentation, with each block being defined by a "do", and you should
be able to guess the rest. In particular, you'll want to replace the
"return Nothing" with something like
do putStrLn "It looks like I've failed miserably"
return Nothing
You might also benefit from looking up what the functions lxstat etc
do. I would only expect darcs to call lstat64, but maybe Solaris has
some other functions that are used instead?
David
On Wed, Apr 23, 2008 at 9:39 AM, Greg Holtz <[EMAIL PROTECTED]> wrote:
>
> Sorry about the copies of my original post that just came in.
> I sent those days ago before finding out you had to subscribe to
> be able to post. I guess the internet kept them in a holding pattern.
>
> Thanks for the partial fix. I can run "darcs changes" now and it
> doesn't give up. "whatsnew" says
>
> darcs failed: Unable to read directory /darcs/_darcs/pristine (it appears
> to be neither file nor directory)
>
> but
>
> -rw-r--r-- 1 gh other 10 Apr 23 09:30 format
> drwxr-xr-x 2 gh other 2 Apr 23 09:30 inventories
> -rw-r--r-- 1 gh other 0 Apr 23 09:30 inventory
> drwxr-xr-x 2 gh other 2 Apr 23 09:30 patches
> drwxr-xr-x 2 gh other 5 Apr 23 09:30 prefs
> drwxr-xr-x 2 gh other 2 Apr 23 09:30 pristine
>
> and the truss output around that command is
> chdir("/darcs") = 0
>
> rmdir("darcs_testing_for_nfs") Err#2 ENOENT
> stat64("/darcs/_darcs/pristine", 0xD0879A68) = 0
> getcwd("/darcs", 4096) = 0
> chdir("/darcs/_darcs/pristine") = 0
> getcwd("/darcs/_darcs/pristine", 4096) = 0
> chdir("/darcs") = 0
> lxstat(2, "/darcs/_darcs/pristine", 0xD0879B80) = 0
> chdir("/darcs") = 0
> chdir("/darcs") = 0
> pollsys(0x08044C80, 1, 0x08044D08, 0x00000000) = 1
>
> then the commands for printing the error.
>
>
>
>
>
> >
> > I'm pushing a (partial) fix that will give a proper error message in
> > this case, that could give us a hint as to what's going wrong. Darcs
> > is failing to read a directory, it seems, but we can't really tell
> > which directory. If you can get a copy (using another machine
> > perhaps?) of the latest darcs and see how this works, that'd be great.
> >
> > David
>
> ________________________________
> Express yourself wherever you are. Mobilize!
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>
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