Date: Mon, 29 Apr 2019 20:34:50 +0200 From: Niclas Zeising <zeising@freebsd.org> To: Tycho Nightingale <tychon@freebsd.org> Cc: "freebsd-x11@freebsd.org" <freebsd-x11@freebsd.org>, Johannes Lundberg <johalun@FreeBSD.org> Subject: Re: dmar, dma_pool, etc Message-ID: <23fe1183-d12c-b4b8-958f-34cee6e33977@freebsd.org> In-Reply-To: <3a07ffef-a978-2fdd-8d54-85fc0b6f3a63@freebsd.org> References: <e0415524-3126-5ea2-c2e2-3d3dccc6832e@FreeBSD.org> <9E2356CF-6483-4C06-B4A8-0120088063FE@freebsd.org> <60b447bb-81da-4c01-e164-bdf10e5560b0@freebsd.org> <594E1E71-6834-431E-B122-005E64EDB1C2@freebsd.org> <3a07ffef-a978-2fdd-8d54-85fc0b6f3a63@freebsd.org>
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On 2019-04-29 20:27, Niclas Zeising wrote: > On 2019-04-29 18:00, Tycho Nightingale wrote: >>> On Apr 29, 2019, at 11:06 AM, Niclas Zeising <zeising@FreeBSD.org>=20 >>> wrote: >>> >>> As a side note, I can readily reproduce the hang on a spare laptop,=20 >>> please let me know if I can help in testing or diagnosing in any way. >> >> >> If you can readily reproduce the hang, since there are 2 halves that=20 >> comprised the fix (the DMA pool and non-pool mappings) it would be=20 >> instructive to try reverting either dmapool.h or dma-mapping.h=20 >> independently to see if that helps. >> >=20 > Hi! > I will test this and report back.=C2=A0 Thank you! > Regards Hi! Just reverting dmapool.h or dma-mapping.h doesn't work, it won't build.=20 I need to revert more than that. Can you help me figure out what to=20 revert in either case, or provide a patch? Thank you! Regards --=20 Niclas
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