I wonder if this is related to: https://issues.apache.org/jira/browse/TS-2497
On Wed, Sep 17, 2014 at 6:32 AM, Acácio Centeno <acacio.cent...@azion.com> wrote: > Folks, > > I have a situation that happens about once a week and causes a segfault on > ATS (5.0.1). The stack trace always shows Ptr<IOBufferBlock>::operator= and > the last function called, and digging a bit I found that this situation > happens when, in HttpTunnel::tunnel_run I have two producers, the first one > reading from the cache and a second from the plugin. The cache producer has > a non-NULL vc, but has a NULL buffer_start, so when MIOBuffer::clone_reader > is called to clone it, the system dies. > > I found the URL that led to the last segfault and repetead it thousands of > times using curl, without any problems, yet, about once a week we have this > same issue, so I think its a run condition, but have no proof of it. > > Have you guys ever seen something like this and if not, do you have any > idea how could it be that a cache producer would have a NULL buffer_start? > > The full stack trace, as well as more details can be found on > http://pastebin.com/avMen1Cy > > Thanks in advance, > Acácio Centeno > Software Engineering > Azion Technologies > Porto Alegre, Brasil +55 51 3012 3005 | +55 51 8118 9947 > Miami, USA +1 305 704 8816 > > Quaisquer informações contidas neste e-mail e anexos podem ser > confidenciais e privilegiadas, protegidas por sigilo legal. Qualquer forma > de utilização deste documento depende de autorização do emissor, sujeito as > penalidades cabíveis. > > Any information in this e-mail and attachments may be confidential and > privileged, protected by legal confidentiality. The use of this document > require authorization by the issuer, subject to penalties. >
