[ please excuse the poor formatting due to email client ] > From: Jeff Trawick [mailto:traw...@gmail.com] > > On Tue, Jul 15, 2014 at 4:55 PM, Tomlinson, Stuart <st0...@intl.att.com> > wrote: > Hello, > > We have experienced this warning/error a few times: > [Thu Jul 03 20:17:15 2014] [warn] (4)Interrupted system call: Failed to > acquire SSL session cache lock > > After this has occurred, the Apache ErrorLog is flooded with these errors: > [Thu Jul 03 20:17:57 2014] [error] shmcb_subcache_retrieve internal error > > It looks like there is a bug in the APR library. It doesn't handle EINTR > ("Interrupted system call") in the POSIX semaphore implementation.
Thanks for the superfast feedback. Should I file a bug for this? If so, should it be filed for "Apache httpd-2" product or "APR" ? > SSLMutex sem > > Use "SSLMutex sysvsem" instead. Are there any expected negative impacts from using "sysvsem" instead of "sem" (which I understand defaults to "posixsem" - described in the documentation as "elegant", whereas "sysvsem" is merely "somewhat elegant")? Regards, Stu Tomlinson.
