Firefox 63 vs. sendmsg()

[Jan Beich]

Don Lewis <truckman at FreeBSD.org> writes:

> On 19 Jul, Jan Beich wrote:
>
>> Jan Kokemüller <jan.kokemueller at gmail.com> writes:
>> 
>>>> Can someone help debug https://bugzilla.mozilla.org/show_bug.cgi?id=1475970#c7 ?
>>>> I'm not familar with socket code.
>>>
>>> Could it be related to this bug[1]?
>>> There is a demo program in another bug report[2] that still fails for me
>>> (running a recent -current, r334337).
>>>
>>> [1]: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=181741
>>> [2]: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215933
>> 
>> Indeed. Firefox 63 works fine after applying the patch in bug 181741.
>> I wonder, if "packet loss" issue is also responsible for IPC instability
>> in Firefox < 63 and Chromium.
>
> I've been having terrible stability problems with Firefox on my
> 11.2-STABLE amd64 machine since upgrading to version 61.  See:
>   https://bugzilla.mozilla.org/show_bug.cgi?id=1476130
> I applied this patch:
>   https://bugs.freebsd.org/bugzilla/attachment.cgi?id=168943&action=diff
> after tweaking it a bit so that all chunks would apply.  It's too soon
> to tell for sure, but this fix appears promising.

Can you attach the rebased version to bug 181741? I think, we may want
to ask a few Chromium users to check if it has an impact on bug 212812.

For comparison, attached to this mail is my own (blind) rebase.
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