On Nov 10 05:48, Hisashi T Fujinaka wrote: > On Thu, 10 Nov 2016, Corinna Vinschen wrote: > > On Nov 8 11:33, Alexander Duyck wrote: > ... > > > The question I would have is what is reading the device when it is in > > > this state. The watchdog and any other functions that would read the > > > device should be disabled. > > > > > > One possibility could be a race between a call to igb_close and the > > > igb_suspend function. We have seen some of those pop up recently on > > > ixgbe and it looks like igb has the same bug. We should probably be > > > using the rtnl_lock to guarantee that netif_device_detach and the call > > > to __igb_close are completed before igb_close could possibly be called > > > by the network stack. > > > > Do you have a pointer to the related ixgbe patch, by any chance? > ... > Here's the initial patch for igb I have, but it's on hold awaiting more > changes in ixgbe regarding AER.
Thanks a lot! Corinna
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