There are new developments since the last time it was reported. User xmerlin did some extensive testing and found it to be a regression. I also reproduced it.
https://github.com/joyent/smartos-live/issues/346 On Wed, Sep 10, 2014 at 10:31 PM, Robert Mustacchi via smartos-discuss < [email protected]> wrote: > On 9/2/14 16:15 , David Finster via smartos-discuss wrote: > > Hi All > > > > On Monday I reverted the SmartOS distro being used back to vanilla > Joyent and upgraded to the latest version. > > > > I was using the UQ EAIT builds found here: > http://imgapi.uqcloud.net/builds > > > > So far the issue hasn’t reoccured but I’ll keep an eye on it. arekinath > (maintainer of the builds) thought it might be related to the AMD patches > that he introduced, but it appears to be resolved all the same. Will keep > an eye on it though. > > If you end up finding something like this again, an additional thing to > end up checking out and looking at are the in-kernel per-CPU ring > buffers. They'll be able to tell us a lot of information about what's > happened. I don't recall off hand whether or not they include the block > information, but should help to figure out what's going on. > > In general, the use of pstack/mdb on the user land process will probably > cause the threads in question to basically exit the kernel and re-enter > so that's why running those will sometimes kick things off again. > > Robert > > > ------------------------------------------- > smartos-discuss > Archives: https://www.listbox.com/member/archive/184463/=now > RSS Feed: > https://www.listbox.com/member/archive/rss/184463/25253051-d319687c > Modify Your Subscription: > https://www.listbox.com/member/?&; > Powered by Listbox: http://www.listbox.com > ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
