Messages in this thread | | | Date | Thu, 21 Jun 2012 14:32:35 -0700 | From | Tejun Heo <> | Subject | Re: multi-second application stall in open() |
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Hello,
On Thu, Jun 21, 2012 at 04:28:24PM -0500, Josh Hunt wrote: > When you say the code has diverged from upstream, do you mean from 3.0 > to 3.5?
It's based on something diverged from 2.6.X, so an ancient thing.
> Or maybe I'm misunderstanding what you're getting at. Also, if > you have any links to the watchdog timer code you're referring to I > would appreciate it.
Rakesh is the one who observed the bug and wrote the watchdog code. Rakesh, I think Josh is seeing similar cfqq hang issue. Did the watchdog code reveal why that happened? Or was it mainly to just kick the queue and keep it going?
Thanks.
-- tejun
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