From: Jim Garrison <jhg@jhmg.net>
To: cygwin@cygwin.com
Subject: Re: httpd immediate segfault on startup [solution]
Date: Tue, 25 Aug 2015 15:48:00 -0000 [thread overview]
Message-ID: <55DC8E60.4080602@jhmg.net> (raw)
In-Reply-To: <55BF0E48.7010207@jhmg.net>
For anybody else who's having trouble with apache segfaulting at
startup:
On 8/2/2015 11:46 PM, Jim Garrison wrote:
[snip]
>>>> Updated all cygwin packages to current versions, installed
>>>> httpd 2.4.16-1. On startup httpd segfaults:
>>>>
>>>> Exception: STATUS_ACCESS_VIOLATION at eip=65DC5D78 eax=8004E028
>>>> ebx=00000001 ecx=00000000 edx=8004DFF0 esi=80014490
>>>> edi=80016498 ebp=0028CC78 esp=0028CB5C
>>>> program=C:\cygwin\usr\sbin\httpd.exe, pid 25500, thread main
>>>> cs=0023 ds=002B es=002B fs=0053 gs=002B ss=002B Stack trace:
>>>> Frame Function Args 0028CC78 65DC5D78 (00000003,
>>>> 0028CC9C, 80010100, 00000020) 0028CD28 6100846A (00000000,
>>>> 0028CD84, 610074F0, 00000000) End of stack trace
[snip]
> I think the exception and stack trace are secondary to the main
> problem, which is described by the two messages in the error_log:
>
> (88)Function not implemented: AH00023: Couldn't create the proxy
> mutex (88)Function not implemented: AH02478: failed to create proxy
> mutex
>
> The exception goes away if I remove mod_perl from the configuration,
> but the errors and failure to configure are the same. I also tried
> launching httpd in a mintty shell that was started with
> administrator privilege level, but the same error occurs.
>
> The "Function not implemented" seems to indicate something
> mis-matched in my system but I cannot figure out what.
I just received this from Alex Kononov (thanks). I have not tried this
as I've moved in a different direction and no longer need to run apache
under Cygwin:
> I wasn't sure how to get on Cygwin mailing list quickly, so I'm
> writing to you directly. I've had the same problem as you with the
> new release of Apache and I've just found a fix. The issue is with
> the IPC (shared memory, semaphores, queues). You must start an IPC
> server under windows (see, for starters, here --
> https://cygwin.com/cygwin-ug-net/using-cygserver.html).
> Unfortunately, the whole thing is not well documented. Before, it
> was a part of the standard Cygwin installation, but now you must
> install cygrunsrv as a separate package.
>
> Anyway, to fix "everything", just do: 1) Install cygrunsrv (this is
> done only once) 2) Run /usr/bin/cygserver-config (this is done only
> once) 3) Start Apache (/usr/sbin/apachectl ... options ...)
>
> Alternatively, you may probably ask Apache not to use IPC mechanisms.
> I don't have time to try this, but feel free to explore.
>
> Hope this helps. Feel free to document these procedures on the
> Cygwin mailing list, so other people having the same problem will
> know what to do.
>
> Good luck!
>
> -- Alex
--
Jim Garrison (jhg@acm.org)
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next prev parent reply other threads:[~2015-08-25 15:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 0:24 httpd immediate segfault on startup Jim Garrison
2015-07-29 15:48 ` Jim Garrison
2015-07-29 16:21 ` Habermann, David (D)
2015-07-31 16:18 ` Jim Garrison
2015-08-02 17:52 ` Marco Atzeri
2015-08-03 6:46 ` Jim Garrison
2015-08-25 15:48 ` Jim Garrison [this message]
2015-11-18 8:56 ` httpd immediate segfault on startup [solution] nemozny
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