Re: [Bug 60555] New: Some amount of ifconfig cause load averageincrease and system freeze

[Bjorn Helgaas]

On Tue, Sep 10, 2013 at 3:04 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
> [+cc Thomas, e1000e driver folks, linux-pci, lkml]
>
> On Mon, Jul 15, 2013 at 2:31 AM,  <bugzilla-daemon@xxxxxxxxxxxxxxxxxxx> wrote:
>> https://bugzilla.kernel.org/show_bug.cgi?id=60555
>>
>>             Bug ID: 60555
>>            Summary: Some amount of ifconfig cause load average increase
>>                     and system freeze
>>            Product: Drivers
>>            Version: 2.5
>>     Kernel Version: 3.10.0
>>           Hardware: All
>>                 OS: Linux
>>               Tree: Mainline
>>             Status: NEW
>>           Severity: normal
>>           Priority: P1
>>          Component: PCI
>>           Assignee: drivers_pci@xxxxxxxxxxxxxxxxxxxx
>>           Reporter: onorua@xxxxxxxxx
>>         Regression: No
>>
>> I've faced with the situation when system stopped to process any request.
>> Further analysis showed that the load average was around 20, and was constantly
>> increasing (the normal LA for this system is 0.3-1).
>
> Thanks for the report; sorry it fell through the cracks.
>
> Is this problem reproducible?  If so, can you try to reproduce it on
> v3.11?  Can you please attach a complete dmesg log and "lspci -vv" (as
> root) output to the bugzilla?
>
> The BUG_ON you're hitting is here, but I don't know what it means:
>
>     #ifdef CONFIG_GENERIC_HARDIRQS
>                 for (i = 0; i < nvec; i++)
>                         BUG_ON(irq_has_action(entry->irq + i));
>     #endif

What's the status of this?  Is it still a problem?  Should we just
close the bug as unreproducible?

Bjorn
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