The following reply was made to PR port-sparc/33340; it has been noted by GNATS.

From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
To: gnats-bugs@netbsd.org
Cc: port-sparc-maintainer@netbsd.org, gnats-admin@netbsd.org,
	netbsd-bugs@netbsd.org
Subject: Re: port-sparc/33340: NetBSD panics while attaching QFE card
Date: Tue, 25 Apr 2006 09:32:32 +0900

 > panic: kernel diagnostic assertion "me" failed: file "/usr/src/sys/uvm/uvm_map.c", line 481
 
 > db{0}> trace
 > cpu_Debugger(0xf02874a0, 0xf0254fa8, 0xf0268790, 0xf0277ef8, 0x100, 0xf02a4c00) at netbsd:__assert+0x18
 > __assert(0xf0254fa8, 0xf0277ef8, 0x1e1, 0xf0268790, 0x0, 0x0) at netbsd:uvm_map_clip_end+0x2a0
 > uvm_map_clip_end(0xf02c44d8, 0xf08f31f8, 0xf4300000, 0xf00, 0x40500, 0xf42e5000) at netbsd:uvm_unmap_remove+0x388
 > uvm_unmap_remove(0xf02c44d8, 0xf42e5000, 0xf4300000, 0xf029f04c, 0xf029f050, 0xffffffff) at netbsd:uvm_unmap1+0xcc
 > uvm_unmap1(0xf02c44d8, 0xf42e5000, 0xf4300000, 0xf02c4590, 0xffffffff, 0xc00000) at netbsd:_bus_dma_valloc_skewed+0xa4
 > _bus_dma_valloc_skewed(0xf4300000, 0xf42e5000, 0x40000, 0x0, 0x0, 0xf08fe880) at netbsd:iommu_dmamem_map+0x50
 > iommu_dmamem_map(0xf09fe900, 0xf029f1a8, 0x1, 0x65000, 0xf0a0f6c8, 0x5) at netbsd:hme_config+0x90
 
 i think it's a symptom of PR/29117.
 a workaround is to make _bus_dma_valloc_skewed use uvm_map directly
 as -current does.
 
 YAMAMOTO Takashi