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Re: Actually 1.3.4; "mount" closes bash window after tape drive ops
- From: "Larry Hall (RFK Partners, Inc)" <lhall at rfk dot com>
- To: Tim Scoggins <scoggins at arlut dot utexas dot edu>, cygwin at cygwin dot com
- Date: Wed, 14 Nov 2001 17:12:09 -0500
- Subject: Re: Actually 1.3.4; "mount" closes bash window after tape drive ops
Since this is the first I've noted of this problem being reported to the
list (did I miss some much earlier report(s)), I would say that one
shouldn't expect that it would be addressed specifically in any recent
release. Unless the problem turns out to be more generic, it's probably
going to remain a problem. Perhaps you want to try running mount under
strace and see if the log that results indicates anything useful.
Just a thought.
Larry Hall lhall@rfk.com
RFK Partners, Inc. http://www.rfk.com
838 Washington Street (508) 893-9779 - RFK Office
Holliston, MA 01746 (508) 893-9889 - FAX
At 02:38 PM 11/14/2001, Tim Scoggins wrote:
>Double checking, I realize this problem is currently manifest in version
>1.3.4
>
>Unless 1.3.5 is actually expected to address this problem, I'm reluctant to
>touch anything, for fear of losing what tape functions I still cling to.
>
>Tim Scoggins wrote:
>
> > I posted this problem once, but I have now reproduced it several times,
> > so I hope I can provide more helpful details.
> >
> > One three occasions, after various operations involving SCSI tape
> > drives, particularly AIT2 drives, a situation was created where any
> > mount command, including "mount" by itself, caused the bash window to
> > close without warning.
> >
> > In order to fix the problem, I tried:
> > 1) Uninstalling all cygwin software.
> > 2) Removing all Cygnus Solutions entries from the registry under
> > HKEY_LOCAL_MACHINE and HKEY_CURRENT_USER for all users.
> > 3) Reinstalling cygwin.
> >
> > This did not work. I had to reinstall the operating system to get tape
> > functions back in cygwin. I have created the problem once under Windows
> > NT 4 SP5 and twice under Win2k SP2. In all three cases, Windows Backup
> > was still able to use the tape drives.
> >
> > Details Case 1:
> >
> > Windows NT 4 SP5, cygwin 1.3.2
> >
> > For some time I had been using cygwin with an HP DDS-3 and an Exabyte
> > 8mm. Then I swapped out both tape drives, replacing them with a Sony
> > DDS-3 and a Sony AIT2. I did not "umount" before I changed the SCSI
> > configuration. Any tape operation after that caused cygwin to wink
> > out. I did not get tape functions back in cygwin until I did a clean
> > install with Win2k (I moved to Win2k for other reasons).
> >
> > Details Case 2:
> >
> > Win2k SP2, cygwin 1.3.3
> >
> > I did a clean install to Win2k, installing the Sony DDS-3 and going back
> > to the Exabyte 8mm (I had to give back the borrowed AIT2). Everything
> > was fine again until I again swapped the 8mm for an AIT2 (I bought my
> > own drive). This time I was careful to "umount" the drives before I
> > changed the configuration. This did not help. Once again tape
> > functions caused cygwin bash window to close without warning. Again I
> > tried a clean install of cygwin (unintall, clean registry), but that did
> > not help. I reinstalled Win2k, this time with the AIT2 drive installed
> > from the beginning.
> >
> > Details Case 3:
> >
> > Win2k SP2, cygwin 1.3.3
> >
> > Now I have Win2k and the AIT2 tape drive installed when the operating
> > system is loaded. This time I was trying various operations with my new
> > Sony AIT2 drive. The AIT2 worked, except in tape to tape copying. I
> > could do disk to tape reads and writes with dd and with programs I wrote
> > that use Win32 API. But, copying DDS-3 tape to AIT2 tape caused the
> > AIT2 to hang, requiring power off/on to free. I got help on this
> > problem from tech support at NovaSTOR (I could also hang the AIT2 with
> > their TapeCopy program). They had me set "Sync Transfer Rate" and "Send
> > Start Command" (I think) at startup in the SCSI configuration to values
> > appropriate for each tape drive. They also had me update my SCSI
> > drivers. This fixed the tape hanging for NovaSTOR, my programs, and
> > "dd" in cygwin. BUT, "mount" by itself again crashes the bash shell.
> > Yes, I still have tape function; dd and mt work, but "mount" by itself
> > causes cygwin bash to wink out.
> >
> > I am afraid to "umount" for fear I will be forced to do another Windows
> > install. As I say, tapes are working, including AIT2, but if I need to
> > change or add a tape drive, I fear the worst.
> >
> > (Also, I turn off Removable Storage Manager in Win2k so my Win32 API
> > functions will work.)
> >
> > I will be grateful for any guidance. I am not a developer, but I did
> > trying to find source code for dd and mount from the src/winsup web
> > site. But that CVS stuff is way over my head.
> >
> > Tim Scoggins
> > Applied Research Laboratories
> > The University of Texas at Austin
> > 512 835 3596
>
>
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