On Mon, Feb 20, 2017 at 7:13 AM, Dridi Boukelmoune <dr...@varni.sh> wrote:
> On Mon, Feb 20, 2017 at 1:09 PM, Andrei <lag...@gmail.com> wrote: > > Hi Dridi, > > > > Thanks for the input. Looking over the panic I initially linked, the > exact > > version info was: > > > > version = varnish-4.1.4 revision 4529ff7 ident = > > Linux,2.6.32-642.6.2.el6.x86_64,x86_64,-junix,-smalloc,- > smalloc,-hcritbit,epoll > > Yes, I definitely need to get the hang of this "reading" thing. > It's overrated :) > > > I had already upgraded to 4.1.5 before mentioning the error on the list, > and > > it's been smooth since. It was just odd that there were no clock changes, > > yet it panicked due to a stepping, so I figured I'd bring it up. > > There's a bug I don't remember and couldn't find after a quick search. > But basically it would cause the child to not restart after a panic. > > Something like: > > - panic (child crashed) > - restart > - CLI timeout during restart > - kill the child > - varnish running without a cache process > > The last step is similar to the one you ran into, since you couldn't > list backends via the CLI. But I couldn't find this bug after a quick > search and looking at the changelog I don't see anything related. So I > would say you may end up in the same situation even with the latest > 4.1 release. You should collect syslogs (enabled by default) and see > what Varnish has to say shortly before/after a panic, it might give a > clue. > > Dridi > Thanks for the details, I'll track it down from there and keep an eye on the issue(s). Nothing in /var/log/messages other than a ban sent ~6h prior: Feb 12 17:09:17 aviator varnishd[15791]: CLI telnet 127.0.0.1 55284 127.0.0.1 6082 Rd auth NNN Feb 12 17:09:17 aviator varnishd[15791]: CLI telnet 127.0.0.1 55284 127.0.0.1 6082 Wr 200 -----------------------------#012Varnish Cache CLI 1.0#012-----------------------------#012Linux,2.6.32-642.6.2.el6.x86_64,x86_64,-junix,-smalloc,-smalloc,-hcritbit#012varnish-4.1.4 revision 4529ff7#012#012Type 'help' for command list.#012Type 'quit' to close CLI session. Feb 12 17:09:17 aviator varnishd[15791]: CLI telnet 127.0.0.1 55284 127.0.0.1 6082 Rd ping Feb 12 17:09:17 aviator varnishd[15791]: CLI telnet 127.0.0.1 55284 127.0.0.1 6082 Wr 200 PONG 1486912157 1.0 Feb 12 17:09:17 aviator varnishd[15791]: CLI telnet 127.0.0.1 55284 127.0.0.1 6082 Rd ban req.http.Host ~ ".*" Feb 12 17:09:17 aviator varnishd[15791]: CLI telnet 127.0.0.1 55284 127.0.0.1 6082 Wr 200
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