Repeated problems with svn even after rebaseall and peflagsall on Windows 7

Repeated problems with svn even after rebaseall and peflagsall on Windows 7

[Mike Dahmus]

i.e.:

mdahmus@MikeDahmus-PC /pfisvn/DCGS/trunk
$ svn up
      0 [main] svn 9484 C:\cygwin\bin\svn.exe: *** fatal error - unable to remap
\\?\C:\cygwin\lib\sasl2\cygdigestmd5-2.dll to same address as parent: 0x830000
!= 0xA50000
Stack trace:
Frame     Function  Args
0028B188  6102796B  (0028B188, 00000000, 00000000, 00000000)
0028B478  6102796B  (6117EC60, 00008000, 00000000, 61180977)
0028C4A8  61004F1B  (611A7FAC, 612485B4, 00830000, 00A50000)
End of stack trace
      1 [main] svn 8864 fork: child 9484 - died waiting for dll loading, errno 1
1
svn: Can't create tunnel: Resource temporarily unavailable

mdahmus@MikeDahmus-PC /pfisvn/DCGS/trunk
$ svn up
      0 [main] svn 8696 exception::handle: Exception: STATUS_ACCESS_VIOLATION
  17623 [main] svn 8696 open_stackdumpfile: Dumping stack trace to svn.exe.stack
dump
      0 [main] svn 5304 exception::handle: Exception: STATUS_ACCESS_VIOLATION
    720 [main] svn 5304 open_stackdumpfile: Dumping stack trace to svn.exe.stack
dump
      0 [main] svn 9616 exception::handle: Exception: STATUS_ACCESS_VIOLATION
    885 [main] svn 9616 open_stackdumpfile: Dumping stack trace to svn.exe.stack
dump
      0 [main] svn 7708 exception::handle: Exception: STATUS_ACCESS_VIOLATION
    882 [main] svn 7708 open_stackdumpfile: Dumping stack trace to svn.exe.stack
dump
      0 [main] svn 4020 exception::handle: Exception: STATUS_ACCESS_VIOLATION
    813 [main] svn 4020 open_stackdumpfile: Dumping stack trace to svn.exe.stack
dump
      0 [main] svn 8884 exception::handle: Exception: STATUS_ACCESS_VIOLATION
   1687 [main] svn 8884 open_stackdumpfile: Dumping stack trace to svn.exe.stack
dump
      1 [main] svn 3916 fork: child -1 - died waiting for longjmp before initial
ization, retry 0, exit code 0x600, errno 11

Happening more and more often, even after I run rebaseall and peflagsall. Any ideas? This is rapidly becoming unusable. On an older system, a rebaseall would usually fix this problem for at least a couple of months; now I'm lucky if it has any effect at all.

Have spent much time the last month or so googling this to little avail. The opinion of the internet seems to be that this isn't a real problem. My grey hair would beg to disagree.

Regards,
Mike Dahmus
mdahmus@potomacfusion.com


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Re: Repeated problems with svn even after rebaseall and peflagsall on Windows 7

[Christopher Faylor]

On Mon, May 16, 2011 at 07:26:54PM -0500, Mike Dahmus wrote:
>i.e.:
>
>mdahmus@MikeDahmus-PC /pfisvn/DCGS/trunk
>$ svn up
>????? 0 [main] svn 9484 C:\cygwin\bin\svn.exe: *** fatal error - unable to remap
>\\?\C:\cygwin\lib\sasl2\cygdigestmd5-2.dll to same address as parent: 0x830000
>!= 0xA50000
>Stack trace:
>Frame???? Function? Args
>0028B188? 6102796B? (0028B188, 00000000, 00000000, 00000000)
>0028B478? 6102796B? (6117EC60, 00008000, 00000000, 61180977)
>0028C4A8? 61004F1B? (611A7FAC, 612485B4, 00830000, 00A50000)
>End of stack trace
>????? 1 [main] svn 8864 fork: child 9484 - died waiting for dll loading, errno 1
>1
>svn: Can't create tunnel: Resource temporarily unavailable

Try the suggestion mentioned here:

http://cygwin.com/ml/cygwin/2011-04/msg00306.html

i.e.,

>rebaseall -b 0x77000000

You could also experiment with other bases in the 7n000000 address range,
like 76000000, 78000000, etc.

cgf

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RE: Repeated problems with svn even after rebaseall and peflagsall on Windows 7

[Mike Dahmus]

Nope, didn't help; in fact, the rebase at 0x77000000 (whatever the recommendation was) broke things much worse; and now even bash won't start without a million access violations.

Why is this even necessary anyways? Other than "because it's always been this way"? I've been as stalwart a defender of cygwin as you'd find at my various companies over the years but this wart is getting really hard to ignore. In particular, since I myself can't do subversion or various other things any more without devolving to something like (ugh) tortoise.

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Re: Repeated problems with svn even after rebaseall and peflagsall on Windows 7

[Larry Hall (Cygwin)]

On 5/19/2011 11:25 AM, Mike Dahmus wrote:
> Nope, didn't help; in fact, the rebase at 0x77000000 (whatever the
> recommendation was) broke things much worse; and now even bash won't start
> without a million access violations.
>
> Why is this even necessary anyways? Other than "because it's always been
> this way"? I've been as stalwart a defender of cygwin as you'd find at my
> various companies over the years but this wart is getting really hard to
> ignore. In particular, since I myself can't do subversion or various other
> things any more without devolving to something like (ugh) tortoise.

Short answer: It's an artifact of emulating fork on Windows.
Long answer: See the email archives for all the discussions about it and
attempts to make this less painful.

You may find that limiting the number of packages/DLLs installed helps.

-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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Re: Repeated problems with svn even after rebaseall and peflagsall on Windows 7

[Christopher Faylor]

On Thu, May 19, 2011 at 11:32:07AM -0400, Larry Hall (Cygwin) wrote:
>On 5/19/2011 11:25 AM, Mike Dahmus wrote:
>> Nope, didn't help; in fact, the rebase at 0x77000000 (whatever the
>> recommendation was) broke things much worse; and now even bash won't start
>> without a million access violations.

I did go out of my way to suggest alternatives, too.  Apparently they were
ignored.

>> Why is this even necessary anyways? Other than "because it's always been
>> this way"? I've been as stalwart a defender of cygwin as you'd find at my
>> various companies over the years but this wart is getting really hard to
>> ignore. In particular, since I myself can't do subversion or various other
>> things any more without devolving to something like (ugh) tortoise.
>
>Short answer: It's an artifact of emulating fork on Windows.

Actually the real reason is because we just like annoying people.

cgf

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Re: Repeated problems with svn even after rebaseall and peflagsall on Windows 7

[Larry Hall (Cygwin)]

On 5/19/2011 11:39 AM, Christopher Faylor wrote:
> On Thu, May 19, 2011 at 11:32:07AM -0400, Larry Hall (Cygwin) wrote:

<snip>

>> Short answer: It's an artifact of emulating fork on Windows.
>
> Actually the real reason is because we just like annoying people.

How could I have been so wrong? ;-)

-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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RE: Repeated problems with svn even after rebaseall and peflagsall on Windows 7

[Mike Dahmus]

I have checked the archives regarding rebaseall perhaps a dozen times over the years. The problem where it just doesn't seem to _work_ is fairly new, apparently. And the alternative suggestions are fairly complicated.

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