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Groups > linux.kernel > #1278463

Re: 4.3+: Atheros ethernet fails after resume from s2ram, due to order 4 allocation

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Pavel Machek <pavel@ucw.cz> :
[...]
> Ok, so what went on is easy.. any ideas how to fix it ?

The driver should 1) prohibit holes in its receive ring, 2) allocate before
pushing data up in the stack 3) drop packets when it can't allocate a
fresh buffer and 4) stop releasing receive buffers - and any resource for
that matter - during suspend.

Really.

-- 
Ueimor
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4.3+: Atheros ethernet fails after resume from s2ram, due to order 4  allocation Pavel Machek <pavel@ucw.cz> - 2015-11-26 17:40 +0100
  Re: 4.3+: Atheros ethernet fails after resume from s2ram, due to  order 4 allocation Francois Romieu <romieu@fr.zoreil.com> - 2015-11-26 23:00 +0100
  Re: 4.3+: Atheros ethernet fails after resume from s2ram, due to  order 4 allocation Michal Hocko <mhocko@kernel.org> - 2015-11-27 09:30 +0100
    [PATCH] Improve Atheros ethernet driver not to do order 4 GFP_ATOMIC  allocation Pavel Machek <pavel@ucw.cz> - 2015-11-28 16:00 +0100
      Re: [PATCH] Improve Atheros ethernet driver not to do order 4  GFP_ATOMIC allocation Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-11-29 23:00 +0100
      Re: [PATCH] Improve Atheros ethernet driver not to do order 4  GFP_ATOMIC allocation Michal Hocko <mhocko@kernel.org> - 2015-11-30 14:30 +0100
    Re: 4.3+: Atheros ethernet fails after resume from s2ram, due to  order 4 allocation Pavel Machek <pavel@ucw.cz> - 2015-11-28 16:00 +0100

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