Re: v3.4 BUG: Bad rss-counter state

[Konstantin Khlebnikov]

Markus Trippelsdorf wrote:
> On 2012.04.08 at 13:39 +0200, Markus Trippelsdorf wrote:
> > I've hit the following warning after I've tried to link Firofox's libxul
> > with "-flto -lto-partition=none" on my machine with 8GB memory. I've
> > killed the process after it used all the memory and 90% of my swap
> > space. Before the machine was rebooted I saw these messages:
> >
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020813c380 idx:1 val:-1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020813c380 idx:2 val:1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88021503bb80 idx:1 val:-1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff8801fb643b80 idx:1 val:-1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff8801fb643b80 idx:2 val:1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88021503bb80 idx:2 val:1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020a4ff800 idx:1 val:-1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020a4ff800 idx:2 val:1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020813ce00 idx:1 val:-1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff88020813ce00 idx:2 val:1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff8801fadda680 idx:1 val:-1
> > Apr  8 13:11:08 x4 kernel: BUG: Bad rss-counter state mm:ffff8801fadda680 idx:2 val:1
>
> BTW, I'm not the only one that sees these messages. Here are two more
> reports from Ubuntu beta testers:
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/963672
> BUG: Bad rss-counter state mm:ffff88022107fb80 idx:1 val:-14
> BUG: Bad rss-counter state mm:ffff88022107fb80 idx:2 val:14
>
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/965709
> BUG: Bad rss-counter state mm:c8fd9dc0 idx:1 val:-2
> BUG: Bad rss-counter state mm:c8fd9dc0 idx:2 val:2
> usb 5-1: USB disconnect, device number 2
> usb 5-1: new low-speed USB device number 3 using uhci_hcd
> input: Mega World Thrustmaster dual analog 3.2 as
> /devices/pci0000:00/0000:00:1d.0/usb5/5-1/5-1:1.0/input/input13
> generic-usb 0003:044F:B315.0004: input,hidraw1: USB HID v1.10 Gamepad
> [Mega World Thrustmaster dual analog 3.2] on usb-0000:00:1d.0-1/input0
> BUG: Bad rss-counter state mm:c8fd9dc0 idx:1 val:-2
> BUG: Bad rss-counter state mm:c8fd9dc0 idx:2 val:2
> BUG: Bad rss-counter state mm:dea3cc40 idx:1 val:-1
> BUG: Bad rss-counter state mm:dea3cc40 idx:2 val:1
>
> The pattern seem to be:
> ... idx:1 val:-x
> ... idx:2 val:x
> for x=1,2,14

Ok, thanks. I'll try to figure out how this is happened.
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