On Fri, Apr 18, 2014 at 06:29:45PM +0200, Alessandro Suardi wrote:
> forwarding from my lkml post as probably more appropriate to send this here...
Yup, but just adding more cc's is preferred. I've re-added lkml for
reference. Bug is fairly obvious regression in 3.15, patch is on the way.
-Daniel
>
> thanks,
>
> ---------- Forwarded message ----------
> From: Alessandro Suardi <[email protected]>
> Date: Fri, Apr 18, 2014 at 12:31 AM
> Subject: 3.15-rc1: Endless "Disabling PPGTT because VT-d is on"
> messages in /var/log/messages
> To: "[email protected]" <[email protected]>
>
>
> [hoping I persuaded gmail to get my old text-only email settings back, grrr]
>
>
> Noticed that my root fs was filling up, and found out that /var/log/messages was
> approaching 2GB of space, most of which were as per $subject. To give an idea
> of the magnitude, here's a snippet from a saved sample of /var/log/messages:
>
> [root@xbox log]# grep "Disabling PP" messages.save.head |head -1
> Apr 15 03:44:10 xbox kernel: [ 3.115126] [drm] Disabling PPGTT
> because VT-d is on
> [root@xbox log]# grep "Disabling PP" messages.save.head |tail -1
> Apr 15 03:45:50 xbox kernel: [ 130.165219] [drm] Disabling PPGTT
> because VT-d is on
> [root@xbox log]# grep -c "Disabling PP" messages.save.head
> 610
>
> Or from the dmesg ring:
>
> [root@xbox log]# dmesg|head
> [22446.690572] [drm] Disabling PPGTT because VT-d is on
> [22446.690616] [drm] Disabling PPGTT because VT-d is on
> [22446.704560] [drm] Disabling PPGTT because VT-d is on
> [22446.706747] [drm] Disabling PPGTT because VT-d is on
> [22446.720202] [drm] Disabling PPGTT because VT-d is on
> [22446.722447] [drm] Disabling PPGTT because VT-d is on
> [22446.724850] [drm] Disabling PPGTT because VT-d is on
> [22446.727268] [drm] Disabling PPGTT because VT-d is on
> [22446.733052] [drm] Disabling PPGTT because VT-d is on
> [22446.735319] [drm] Disabling PPGTT because VT-d is on
>
>
>
> Are there patches for this issue, or is a workaround available to prevent a
> filesystem full condition on my root fs?
>
>
> This is on a Dell Latitude E6420 laptop, Fedora 19 x86_64, onboard
> Intel video card... yes, I have an old A08 BIOS, but I've never seen
> this issue while regularly updating my mainline kernel weekly or so...
>
>
> Available for more details if needed, thanks in advance,
>
> --alessandro
>
> "don't underestimate the things that I will do"
>
> (Adele, "Rolling In The Deep")
>
>
> --
> --alessandro
>
> "don't underestimate the things that I will do"
>
> (Adele, "Rolling In The Deep")
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--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch