FWIW, I am seeing this too, but examining the code I could not see how. It looks like it just does a shm destroy and then moves on to recreating the SHM segment.
> On 17 Apr 2018, at 14:03, Jim Jagielski <j...@jagunet.com> wrote: > > This should not be a fatal error... I don't think it was before. > >> Begin forwarded message: >> >> From: bugzi...@apache.org >> Subject: [Bug 62308] New: Apache crashes after graceful restart with >> AH02599: slotmem (failed size check) >> Date: April 17, 2018 at 6:21:09 AM EDT >> To: b...@httpd.apache.org >> Reply-To: "Apache HTTPD Bugs Notification List" <b...@httpd.apache.org> >> >> https://bz.apache.org/bugzilla/show_bug.cgi?id=62308 >> >> Bug ID: 62308 >> Summary: Apache crashes after graceful restart with AH02599: >> slotmem (failed size check) >> Product: Apache httpd-2 >> Version: 2.4.33 >> Hardware: PC >> Status: NEW >> Severity: regression >> Priority: P2 >> Component: mod_proxy_balancer >> Assignee: b...@httpd.apache.org >> Reporter: d...@d-velop.de >> Target Milestone: --- >> >> Created attachment 35878 >> --> https://bz.apache.org/bugzilla/attachment.cgi?id=35878&action=edit >> logfile with configuration change example >> >> After updating from 2.4.27 to 2.4.33, we get a crash when doing a graceful >> restart after modifying the mod_proxy/mod_proxy_balancer configuration in the >> filesystem. >> We are modifying the configuration files dynamicaly when our infrastructure >> changes. After this, we do a graceful restart using the following Windows >> command: httpd.exe -k restart >> This worked fine with 2.4.27 and below. >> With 2.4.33 we get the following message: >> AH02599: existing shared memory for >> C:/Apache24/temp/slotmem-shm-p17ffdef3.shm >> could not be used (failed size check) >> >> I've added a Apache logfile with an example of configuration change that >> causes >> this issue >> >> -- >> You are receiving this mail because: >> You are the assignee for the bug. >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: bugs-unsubscr...@httpd.apache.org >> For additional commands, e-mail: bugs-h...@httpd.apache.org >> >
