linux-kernel - Re: [Bug 60555] New: Some amount of ifconfig cause load average increase and system freeze

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Date:	Fri, 8 Nov 2013 09:24:45 -0700
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Yaroslav Molochko <onorua@...il.com>
Cc:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Bruce Allan <bruce.w.allan@...el.com>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Bug 60555] New: Some amount of ifconfig cause load average
 increase and system freeze

On Fri, Nov 8, 2013 at 5:24 AM, Yaroslav Molochko <onorua@...il.com> wrote:
> Sorry. I was not using this machine for quite a bit, I've updated to the new
> kernel and updated bug with the information you asked

Thanks.

Note that this appears to be vanilla v3.12, which has e1000e version
2.3.2-k in it.  Intel maintains newer drivers out-of-tree at
http://sourceforge.net/projects/e1000/, and it's possible this is some
bug that has already been fixed.  The current version there looks like
e1000e-2.5.4, released 2013-09-05.

I think only the Intel folks can help you out with this.

Bjorn

>> > On Mon, Jul 15, 2013 at 2:31 AM,  <bugzilla-daemon@...zilla.kernel.org>
>> > 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@...nel-bugs.osdl.org
>> >>           Reporter: onorua@...il.com
>> >>         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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