Re: [naviserver-devel] Signal 11 crashes

2020-12-15 Thread Gustaf Neumann
On 15.12.20 13:18, David Osborne wrote: So I have *removed* DSYSTEM_MALLOC from the default build flags and created a new build... so far I've not been able to get that to crash in test (where-as it was crashing every 3-4 requests when built with DSYSTEM_MALLOC) ah, when it was crashing relia

Re: [naviserver-devel] Signal 11 crashes

2020-12-15 Thread Zoran Vasiljevic
On Tue, 15 Dec 2020 12:18:57 + David Osborne wrote: > So I have *removed* DSYSTEM_MALLOC from the default build flags and created > a new build... so far I've not been able to get that to crash in test > (where-as it was crashing every 3-4 requests when built with > DSYSTEM_MALLOC) If it doe

Re: [naviserver-devel] Signal 11 crashes

2020-12-15 Thread David Osborne
Thanks very much Gustaf, Looking in the build output I see the "-DSYSTEM_MALLOC" was already in place during the build of the binary which is now crashing. So I have *removed* DSYSTEM_MALLOC from the default build flags and created a new build... so far I've not been able to get that to crash in

Re: [naviserver-devel] Signal 11 crashes

2020-12-14 Thread Gustaf Neumann
Dear David, the crash looks like a problem in the OpenSSL memory management. In general, i would believe that this is a problem in the NaviServer code, but of the interplay of the various memory management options of OpenSSL, NaviServer and Tcl. We use these functions under heavy load on many

[naviserver-devel] Signal 11 crashes

2020-12-14 Thread David Osborne
Hi, We're building some Naviserver instances (4.99.19) on Debian Buster (v10.7). One of the instances is a revproxy instance which uses connchans to speak to a back end. We're seeing very frequent signal 11 crashes of NaviServer with this combination. (We also see this infrequently with 4.99.18 r