[Xen-devel] refcount errors then crash on XenoLinux with the latest source

[Kip M. <km...@fs...>]

I had just tested my domain builder for the nth time on xeno-unstable
(very latest source), when I saw the messages below on the console.
DOM0 no longer responds to ping - I'm hoping that it will recover,
however, in all likelihood I will be hitting the rpb in a few minutes.

audit_all_pages
zombie: pfn=00000000 cf=fffffffd tf=fffffffd dom=00000000
refcount error: pfn=000000 cf=fffffffd refcount=1
audit page: pfn=0 info: cf=fffffffd tf=fffffffd ts=0 dom=0

refcount error: pfn=000247 cf=00000001 refcount=0
audit page: pfn=247 info: cf=1 tf=f0000001 ts=0 dom=fc648040

refcount error: pfn=00024d cf=00000001 refcount=0
audit page: pfn=24d info: cf=1 tf=f0000001 ts=0 dom=fc648040

refcount error: pfn=00036f cf=40000002 refcount=1
audit page: pfn=36f info: cf=40000002 tf=f0000002 ts=0 dom=fc648be0
  pte_pfn=002207 cf=10000026 tf=30000024 dom=fc648be0
    pte_idx=3f9 *pte_idx=0036f063

refcount error: pfn=000371 cf=40000002 refcount=1
audit page: pfn=371 info: cf=40000002 tf=f0000002 ts=0 dom=fc648be0
  pte_pfn=002207 cf=10000026 tf=30000024 dom=fc648be0
    pte_idx=3fe *pte_idx=00371063

refcount error: pfn=000372 cf=40000002 refcount=1
audit page: pfn=372 info: cf=40000002 tf=f0000002 ts=0 dom=fc648be0
  pte_pfn=002207 cf=10000026 tf=30000024 dom=fc648be0
    pte_idx=3fd *pte_idx=00372063

refcount error: pfn=000390 cf=00000001 refcount=0
audit page: pfn=390 info: cf=1 tf=f0000001 ts=4ddca dom=fc649780

refcount error: pfn=000392 cf=00000001 refcount=0
audit page: pfn=392 info: cf=1 tf=f0000001 ts=4ddca dom=fc649780

refcount error: pfn=000393 cf=00000001 refcount=0
audit page: pfn=393 info: cf=1 tf=f0000001 ts=4ae4c dom=fc64a320

refcount error: pfn=000395 cf=00000001 refcount=0
audit page: pfn=395 info: cf=1 tf=f0000001 ts=0 dom=fc64a320

refcount error: pfn=00039f cf=00000001 refcount=0
audit page: pfn=39f info: cf=1 tf=f0000001 ts=0 dom=fc64aec0

refcount error: pfn=0003a1 cf=00000001 refcount=0
audit page: pfn=3a1 info: cf=1 tf=f0000001 ts=0 dom=fc64aec0

refcount error: pfn=0003a2 cf=00000001 refcount=0
audit page: pfn=3a2 info: cf=1 tf=f0000001 ts=0 dom=fc7a4060

refcount error: pfn=0003a8 cf=00000001 refcount=0
audit page: pfn=3a8 info: cf=1 tf=f0000001 ts=0 dom=fc7a4060

refcount error: pfn=0003a9 cf=00000001 refcount=0
audit page: pfn=3a9 info: cf=1 tf=f0000001 ts=0 dom=fc7a4c00

refcount error: pfn=0003ab cf=00000001 refcount=0
audit page: pfn=3ab info: cf=1 tf=f0000001 ts=0 dom=fc7a4c00

refcount error: pfn=0003ac cf=00000001 refcount=0
audit page: pfn=3ac info: cf=1 tf=f0000001 ts=191ab3 dom=fc7a57a0

refcount error: pfn=0003ae cf=00000001 refcount=0
audit page: pfn=3ae info: cf=1 tf=f0000001 ts=191ab3 dom=fc7a57a0

refcount error: pfn=0003af cf=00000001 refcount=0
audit page: pfn=3af info: cf=1 tf=f0000001 ts=191ab2 dom=fc7a6340

refcount error: pfn=0003b1 cf=00000001 refcount=0
audit page: pfn=3b1 info: cf=1 tf=f0000001 ts=0 dom=fc7a6340

refcount error: pfn=0003b2 cf=00000001 refcount=0
audit page: pfn=3b2 info: cf=1 tf=f0000001 ts=0 dom=fc7a6ee0

refcount error: pfn=0003b4 cf=00000001 refcount=0
audit page: pfn=3b4 info: cf=1 tf=f0000001 ts=0 dom=fc7a6ee0