On 02.04.2012 18:46, Philip Martin wrote: > I am unable to run the Subversion regression tests for BDB and DAV with > Apache 2.4 using the event MPM (the new default MPM in 2.4). Sometimes > mod_dav_svn SEGVs causing tests to FAIL and sometimes the tests hang > with mod_dav_svn spinning in a loop. The problems go away when I switch > to the worker MPM (the old default MPM in 2.2). > > I'm not sure what the event MPM does that causes the problem. Here is a > typical SEGV: > > #0 0x00007fb2017f8e96 in svn_error_clear (err=0x2031203920312038) > at ../src/subversion/libsvn_subr/error.c:341 > 341 while (err->child) > (gdb) p err > $1 = (svn_error_t *) 0x2031203920312038 > (gdb) p err[0] > Cannot access memory at address 0x2031203920312038
Looks like the DB_REGISTER dance biting us yet again. Pool lifetimes most likely, it's a tricky bit of code. Hard to say for certain since I don't know how the event MPM works. -- Brane
