Re: [PATCH net] netconsole: Check for carrier before calling netpoll_send_udp()

[Jonathan Maxwell]

> What if the carrier check passes, and then the chip reset starts on
> another cpu?  You'll have the same problem.

Okay, let me see if I can come up with a better way to mitigate this.

On Tue, Aug 11, 2015 at 2:22 PM, David Miller <davem@xxxxxxxxxxxxx> wrote:
> From: Jon Maxwell <jmaxwell37@xxxxxxxxx>
> Date: Tue, 11 Aug 2015 11:32:26 +1000
>
>> We have seen a few crashes recently where a NIC is getting
>> reset for some reason and then the driver or another module calls
>> printk() which invokes netconsole. Netconsole then calls the
>> adapter specific poll routine via netpoll which crashes because
>> the adapter is resetting and its structures are being reinitialized.
>
> This isn't a fix.
>
> What if the carrier check passes, and then the chip reset starts on
> another cpu?  You'll have the same problem.
>
> I'm not applying this, sorry.
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