11.0 stuck on high network load
hiren panchasara
hiren at strugglingcoder.info
Thu Oct 6 08:06:53 UTC 2016
On 10/06/16 at 09:51P, Julien Charbon wrote:
>
> Hi Hiren,
>
> On 10/6/16 9:44 AM, hiren panchasara wrote:
> > On 10/06/16 at 09:28P, Julien Charbon wrote:
> >> On 9/28/16 1:59 PM, Slawa Olhovchenkov wrote:
> >>> On Wed, Sep 28, 2016 at 12:06:47PM +0200, Julien Charbon wrote:
> >>>> <SNIP>
> >>>> I am still trying to reproduce your issue, without success so far.
> >>
> >> Thanks for Slawa effort and multiple debug report we start seeing the
> >> bottom of this issue and it seems to be a generic one. The most useful
> >> report being:
> >>
> >> panic: tcp_detach: INP_TIMEWAIT && INP_DROPPED && tp != NULL
> >
> > I know there are multiple and probably related problems being
> > discussed here but what about the one mentioned in subject of this
> > thread?
> > Apologies if I've missed something conclusive in one of the replies of
> > this thread about that issue.
>
> This issue can lead the machine being stuck on high network load, by
> double freeing an inp, you can corrupt/leak an inp lock, and the network
> stack can wait definitely on this inp lock to be released. You get this
> assert only with INVARIANTS defined.
>
> Of usual, we can have more than one issue here, but this
> INP_TIMEWAI|INP_DROPPED issue need to be fixed anyway.
Thanks for the explanation, Julien.
Cheers,
Hiren
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