Attached is the strace output.

Thanks,
Barry

On Wed, Oct 21, 2015 at 5:09 AM, Corinna Vinschen
<corinna-cygwin@cygwin.com> wrote:
> On Oct 12 18:59, Barry Roberts wrote:
>> I've used cygwin for lots of years, and this is kind of weird to me.
>> My operations guys set up some Windows Server 2012 R2 servers with
>> Cygwin x86-64 2.2.1.
>>
>> There's a CIFS mount (from an HNAS) that I use a lot that is giving me
>> problems.  For example:
>>
>> $ ls /cygdrive/m/install
>> ls: cannot access /cygdrive/m/install: Bad address
>
> Would you mind to run strace in this scenario:
>
>   $ strace -o ls.trace ls /cygdrive/m/install
>
> and attach the ls.trace file here?
>
>>
>> But:
>> $ ls m:/install
>>
>> Works just great.
>>
>> Using /cygdrive/m I can list the contents of the root of the drive,
>> but I can't read any files.  And any subdirectory just gives me the
>> "Bad address" error.   Everything (except completion) works just fine
>> with m:/ paths.
>>
>> This isn't a huge deal.  I mostly use cygwin on these servers to
>> manage them with scripts, so I've changed my configuration variables
>> to <drive letter>: paths and everything seems to work.  But I did
>> spend nearly half a day figuring this out, so I'm curious if there's a
>> configuration problem or a known issue that my searches haven't
>> uncovered yet.
>
> Nothing I'd be aware of.
>
>
> Thanks,
> Corinna
>
> --
> Corinna Vinschen                  Please, send mails regarding Cygwin to
> Cygwin Maintainer                 cygwin AT cygwin DOT com
> Red Hat