Re: hung backends stuck in spinlock heavy endless loop

On Fri, Jan 16, 2015 at 8:05 AM, Merlin Moncure <mmoncure@gmail.com> wrote:
> On Thu, Jan 15, 2015 at 5:10 PM, Peter Geoghegan <pg@heroku.com> wrote:
>> On Thu, Jan 15, 2015 at 3:00 PM, Merlin Moncure <mmoncure@gmail.com> wrote:
>>> Running this test on another set of hardware to verify -- if this
>>> turns out to be a false alarm which it may very well be, I can only
>>> offer my apologies!  I've never had a new drive fail like that, in
>>> that manner.  I'll burn the other hardware in overnight and report
>>> back.
>
> huh -- well possibly. not.  This is on a virtual machine attached to a
> SAN.  It ran clean for several (this is 9.4 vanilla, asserts off,
> checksums on) hours then the starting having issues:

I'm going to bisect this down...FYI.  I'll start with the major
releases first.   This is not going to be a fast process...I'm out of
pocket for the weekend and have a lot of other stuff going on.

merlin