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Re: port-amd64/42980: satalink DMA fails under amd64

The following reply was made to PR port-amd64/42980; it has been noted by GNATS.

From: Manuel Bouyer <>
To: Julian Bourne <>
Subject: Re: port-amd64/42980: satalink DMA fails under amd64
Date: Fri, 19 Mar 2010 16:41:16 +0100

 On Fri, Mar 19, 2010 at 09:47:39AM -0400, Julian Bourne wrote:
 > I applied the patch to 5.0.2 (hope that was right - it
 > applied cleanly) and rebuilt my xen dom0 target.
 > It hit a __kern_assert() in uvm_pglistalloc():403
 > called from xen_bus_dmamem_alloc_range():
 > (boundary & (boundary - 1) == 0) failed
 that's strange, because in xen_bus_dmamem_alloc_range() this could be either
 boundary (and this check is already done in xen_bus_dmamem_alloc_range())
 or size (which is rounded to PAGE_SIZE). Could you print the
 values for boundary and size here ?
 Manuel Bouyer <>
      NetBSD: 26 ans d'experience feront toujours la difference

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