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Re: amd64 panics w/XEN_DOM0, not GENERIC

On 20 Aug 2008, at 14:55, Todd Kover wrote:
I slowly paired things down so I was not running any xen daemons and
consequently, no domUs, and had eventually dedicated all of the 4gb
of memory to dom0.

Which is probably the cause of your problem.

uvm_fault(0xffffffff80b24e80, 0xffffffff81400000, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff804bd443 cs e030 rflags 10282 cr2 ffffffff81
400140 cpl 0 rsp ffffa0004fb108d0
kernel: page fault trap, code=0
Stopped in pid 850.1 (chunker) at netbsd:pmap_kenter_pa +0x173: movq 0
pmap_kenter_pa() at netbsd:pmap_kenter_pa+0x173
ubc_alloc() at netbsd:ubc_alloc+0x25d
ubc_uiomove() at netbsd:ubc_uiomove+0xba
ffs_write() at netbsd:ffs_write+0x684
VOP_WRITE() at netbsd:VOP_WRITE+0x2d
vn_write() at netbsd:vn_write+0xce
dofilewrite() at netbsd:dofilewrite+0x7f
sys_write() at netbsd:sys_write+0x72
syscall() at netbsd:syscall+0x98

That looks exactly like the stack trace I reported in PR port-xen/38699.

        Kind regards

Matthias Scheler                 

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