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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [snb] GTT mapping fails after GPU hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63921#c33">Comment # 33</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [snb] GTT mapping fails after GPU hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63921">bug 63921</a>
from <span class="vcard"><a class="email" href="mailto:nicolashillegeer@gmail.com" title="Nicolas Hillegeer <nicolashillegeer@gmail.com>"> <span class="fn">Nicolas Hillegeer</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=63921#c30">comment #30</a>)
<span class="quote">> Try adding
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c
> b/drivers/gpu/drm/i915/i915_gem.c
> index 87c62cc..2bd8d7a 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -1334,6 +1334,8 @@ int i915_gem_fault(struct vm_area_struct *vma, struct
> vm_f
> bool write = !!(vmf->flags & FAULT_FLAG_WRITE);
>
> ret = i915_mutex_lock_interruptible(dev);
> + if (ret == -EIO)
> + ret = mutex_lock_interruptible(dev);
> if (ret)
> goto out;
>
>
> as well as the other EIO suppressions.</span >
I used all the EIO suppressions you gave me (6 in total) and the result was the
same as with all the other patches (your first patch and Ben's patch): the
system completely locks up and I can't even ssh in.
Unfortunately I don't find anything in the logs after reboot (dmesg.0,
Xorg.0.old and my app log).</pre>
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