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MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: DMA issues with the SKGE drivers Content-Language: en-US To: Andrew Lunn References: <9df653d6-d7f8-4b36-87de-65daf28635dd@mail.com> Cc: netdev@vger.kernel.org From: =?UTF-8?Q?Beno=C3=AEt_Dufour?= Autocrypt: addr=benoit.dufour@mail.com; keydata= xsFNBGmlBagBEADC+mB+ljUVdIPDgU+cNqVliKXYGkqiXmQ2xGO5RtCakbUidnPGTxbnC5Zk vgZMzwdRj7j2sFyf5H9Bpk64566QIiH1wK39l47gtPI8ykgOkfWQbWVhSg4H60taN99Q3UAx StUEVBIvXCJykouIPKkvl9ngmgqEwkY+yYmRV1l55QN4bcH9E/3x9YPANF8CMy8nXE8pkkoh JKRC4nMyKuijzgxUPLlwp9DoMdJodS4dC2Fwzwi9ey/WU6+k35xxk1jcQvOQul+Z4wXWEqkv krNw1rTLxi6o8T5GsxGFDB5gcWUZ/wyM2om4IVHvmxQRVXlfMG8za+q9HaG8FwwZ6DEd90CA 8JUX3ssc+pZiWqQZyoa4MoouxTf9Krj4G1RIf5dzNGlp8R1ubE33Pdu7ahmpErf/mhiVCFLX hxrNwQ3aTK6k2ecMpJ+RlbbppnlgPxNiMfbkwcI6QI1PdYCzZ6wdI+PCEz4DNPFp4Ve1A2aR 8aZ9Pg7+N1RrhYnWlvUHTRcCy4aCsg+aJ8/y/GRlXOsHbyp1+4sJURvJhET8R2AqoYCcYuNa kS4wPj67lOTmkRgnHjscH3rsoWpHARZNIdECqHN0Uw669eWHirUdqdmvd7oclgcqdVlHiATi 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I'm currently waiting a new cooler that would support the 110 W TDP of=20 my Opteron 180 X2. The previous cooler I tested were definitely not good enough for cooling= =20 that CPU. Just running MemTest86+ for too long made the CPU overheat. Even the Arctic Cooler Freezer 7 CO wasn't good enough. Le 14/04/2026 =C3=A0 20:12, Andrew Lunn a =C3=A9crit=C2=A0: > On Tue, Apr 14, 2026 at 07:23:17PM -0400, Beno=C3=AEt Dufour wrote: >> In 2024, I reported a bug about the SKGE driver, you can see it here: >> https://bugzilla.kernel.org/show_bug.cgi?id=3D219270 >> >> Basically, the problem is that the Marvell 88E8001 on my ASUS A8V mothe= rboard >> can only work with 32bit DMA, and if trying to use 64bit DMA, the NIC w= on't >> work at all and after some time, the operating system will become compl= etely >> unresponsive (on screen tty will stop refresh, keyboard and mouse input= will >> stop working too). >> >> The fix is quite easy: >> >> At the very end of the SKGE driver source code, the ASUS A8V motherboar= d (as >> well as many other boards like the ASUS A8V Deluxe) should be added to = the list >> of 32bit DMA boards: >> https://github.com/torvalds/linux/blob/508fed6795411f5ab277fd1edc0d7adc= a4946f23 >> /drivers/net/ethernet/marvell/skge.c#L4150 > Hi Beno=C3=AEt > > Could you submit a patch adding the needed entry for your board? > > Andrew > > =2D-=20 Beno=C3=AEt Dufour Unfortunately still a student in Computer Science