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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [Regression BDW] kernel panic in Intel i915 module, complete system freeze in 4.10-rc2"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99295#c52">Comment # 52</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [Regression BDW] kernel panic in Intel i915 module, complete system freeze in 4.10-rc2"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99295">bug 99295</a>
from <span class="vcard"><a class="email" href="mailto:helio@loureiro.eng.br" title="Helio Loureiro <helio@loureiro.eng.br>"> <span class="fn">Helio Loureiro</span></a>
</span></b>
<pre>(In reply to Maël Lavault from <a href="show_bug.cgi?id=99295#c51">comment #51</a>)
<span class="quote">> I've been testing 4.11.1-drmfixb and I havent had any issues so far.
>
> I get some messages in the journal but no freeze:
>
> [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO
> underrun</span >
Hi,
Same here. I applied manually the changes over kernel 4.11.2. I see messages
like this:
May 25 19:30:04 elxaf7qtt32 kernel: [drm] Reducing the compressed framebuffer
size. This may lead to less power savings than a non-reduced-size. Try to
increase stolen memory size if available in BIOS.
May 25 19:39:58 elxaf7qtt32 kernel: [drm] Reducing the compressed framebuffer
size. This may lead to less power savings than a non-reduced-size. Try to
increase stolen memory size if available in BIOS.
May 26 16:17:15 elxaf7qtt32 kernel: [drm] Reducing the compressed framebuffer
size. This may lead to less power savings than a non-reduced-size. Try to
increase stolen memory size if available in BIOS.
May 26 20:26:10 elxaf7qtt32 kernel: [drm] Reducing the compressed framebuffer
size. This may lead to less power savings than a non-reduced-size. Try to
increase stolen memory size if available in BIOS.
May 26 21:02:39 elxaf7qtt32 kernel: [drm] Reducing the compressed framebuffer
size. This may lead to less power savings than a non-reduced-size. Try to
increase stolen memory size if available in BIOS.
May 26 21:03:10 elxaf7qtt32 kernel: [drm] Reducing the compressed framebuffer
size. This may lead to less power savings than a non-reduced-size. Try to
increase stolen memory size if available in BIOS.
May 26 21:39:46 elxaf7qtt32 kernel: [drm] Reducing the compressed framebuffer
size. This may lead to less power savings than a non-reduced-size. Try to
increase stolen memory size if available in BIOS.
May 27 14:01:40 elxaf7qtt32 kernel: [drm] Reducing the compressed framebuffer
size. This may lead to less power savings than a non-reduced-size. Try to
increase stolen memory size if available in BIOS.
May 27 18:09:44 elxaf7qtt32 kernel: [drm] Reducing the compressed framebuffer
size. This may lead to less power savings than a non-reduced-size. Try to
increase stolen memory size if available in BIOS.
but nothing else. No hangs, no lags, nothing.</pre>
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