My xendoe died last night. Nothing special going on that I could tell to cause it to die. According to my monitoring went down at about:

Date/Time: Tue Apr 25 00:06:42 PDT 2006

Unable to handle kernel paging request at virtual address 7b641940
 printing eip:
c014edb6
04be4000 -> *pde = 00000001:9d1ea001
04355000 -> *pme = 00000000:00000000
Oops: 0000 [#1]
SMP
Modules linked in:
CPU:    1
EIP:    0061:[<c014edb6>]    Not tainted VLI
EFLAGS: 00010286   (2.6.16-domU-linode1 #7)
EIP is at page_address+0x16/0xb0
eax: 7b641940   ebx: 7b641940   ecx: 320ca067   edx: 00000000
esi: c5d320ca   edi: 00000c5d   ebp: 00000008   esp: c42dde6c
ds: 007b   es: 007b   ss: 0069
Process postmaster (pid: 1219, threadinfo=c42dc000 task=c3d1ea70)
Stack: <0>00000c5d c5d320ca 00000c5d 00000008 c0152f6d 7b641940 c4df6008 40203000
       80000001 00000000 00000000 c4be4008 c1212008 40204000 40204000 40204000
       c4355008 c4df6008 c4b4ee84 c14ac5c4 00000000 c3e53fe8 c3da9fe8 40203fff
Call Trace:
 [<c0152f6d>] copy_page_range+0x2ad/0x640
 [<c011f2cd>] copy_process+0x88d/0x1220
 [<c011fcd0>] do_fork+0x70/0x200
 [<c038b4dc>] sys_socketcall+0xec/0x280
 [<c0102e47>] sys_fork+0x37/0x40
 [<c0105181>] syscall_call+0x7/0xb
Code: 00 03 93 4a c0 eb e0 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 83 ec 10 89 1c 24 8b 5c 24 14 89 74 24 04 89 7c 24 08 89 6c 24 0c <8b> 03 c1 e8 1e 8b 14 85 64 95 54 c0 8b 82 4c 03 00 00 05 80 0a
 <1>Unable to handle kernel paging request at virtual address 7b641940
 printing eip:
c014edb6
0171c000 -> *pde = 00000001:df333001
04a41000 -> *pme = 00000000:00000000
Oops: 0000 [#2]
SMP
Modules linked in:
CPU:    0
EIP:    0061:[<c014edb6>]    Not tainted VLI
EFLAGS: 00010286   (2.6.16-domU-linode1 #7)
EIP is at page_address+0x16/0xb0
eax: 7b641940   ebx: 7b641940   ecx: 00000067   edx: 00000c5d
esi: 078f9067   edi: 00000001   ebp: 00000008   esp: c0ab1c18
ds: 007b   es: 007b   ss: 0069
Process apache2 (pid: 20466, threadinfo=c0ab0000 task=c4814a70)
Stack: <0>00000000 078f9067 00000001 00000008 c0159ba3 7b641940 c2d10b30 c108dc80
       40201000 c14ac580 c015a85c c108dc80 c14ac580 40201000 c0ab1c58 c0ab1c94
       c4b4ee84 c2d10b30 c108dc80 00000000 c46c6478 c015a942 c4adb514 c0ab1c78
Call Trace:
 [<c0159ba3>] page_check_address+0xc3/0x1a0
 [<c015a85c>] page_referenced_one+0x7c/0xe0
 [<c015a942>] page_referenced_file+0x82/0xc0
 [<c015a9e6>] page_referenced+0x66/0x140
 [<c014d259>] shrink_zone+0xa19/0x10c0
 [<c014ded5>] try_to_free_pages+0x135/0x22f
 [<c0148e3e>] __alloc_pages+0x13e/0x300
 [<c014551f>] __generic_file_aio_read+0x14f/0x260
 [<c01544ee>] __handle_mm_fault+0xd4e/0x1080
 [<c014584a>] generic_file_aio_read+0x5a/0x80
 [<c0136820>] autoremove_wake_function+0x0/0x60
 [<c01129f9>] do_page_fault+0x159/0x961
 [<c01678e7>] vfs_read+0x127/0x190
 [<c01684bb>] sys_read+0x4b/0x80
 [<c01128a0>] do_page_fault+0x0/0x961
 [<c0105313>] error_code+0x2b/0x30
Code: 00 03 93 4a c0 eb e0 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 83 ec 10 89 1c 24 8b 5c 24 14 89 74 24 04 89 7c 24 08 89 6c 24 0c <8b> 03 c1 e8 1e 8b 14 85 64 95 54 c0 8b 82 4c 03 00 00 05 80 0a

I don't want to do a "Me Too", but my Xenode also died last night. Maybe their is a larger issue that occurred last night.

 Unable to handle kernel paging request at virtual address 6d640720
 printing eip:
0541d000 -> *pde = 00000001:09ffe001
01c0f000 -> *pme = 00000000:00000000
Oops: 0000 Ä#1Ü
SMP
Modules linked in:
CPU:    0
EIP:    0061:Ä<c014edb6>Ü    Not tainted VLI
EFLAGS: 00010286   (2.6.16-domU-linode1 #7)
EIP is at page_address+0x16/0xb0
eax: 6d640720   ebx: 6d640720   ecx: 32039067   edx: 00000000
esi: 65632039   edi: 00000656   ebp: 00000007   esp: c1c5fe78
ds: 007b   es: 007b   ss: 0069
Process spamd (pid: 22795, threadinfo=c1c5e000 task=c067e550)
Stack: <0>00000656 65632039 00000656 00000007 c01538ec 6d640720 00000001 c068b404
       09038065 80000001 ffffffff b7b20000 c0152370 c105f2c0 b7b20000 00000000
       c1c5e000 00000000 00000000 00000000 00000000 00000000 00000000 c281e230
Call Trace:
 Ä<c01538ec>Ü __handle_mm_fault+0x14c/0x1080
 Ä<c0152370>Ü unmap_vmas+0x670/0x8b0
 Ä<c015c028>Ü free_pages_and_swap_cache+0x88/0xb0
 Ä<c01565df>Ü unmap_region+0x11f/0x130
 Ä<c0191c7c>Ü inotify_dentry_parent_queue_event+0x4c/0xc3
 Ä<c0315e37>Ü _atomic_dec_and_lock+0x47/0x60
 Ä<c01129f9>Ü do_page_fault+0x159/0x961
 Ä<c0131d32>Ü sys_setresuid+0x152/0x1d0
 Ä<c01128a0>Ü do_page_fault+0x0/0x961
 Ä<c0105313>Ü error_code+0x2b/0x30
Code: 00 03 93 4a c0 eb e0 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 83 ec 10 89 1c 24 8b 5c 24 14 89 74 24 04 89 7c 24 08 89
 6c 24 0c <8b> 03 c1 e8 1e 8b 14 85 64 95 54 c0 8b 82 4c 03 00 00 05 80 0a
 <0>------------Ä cut here Ü------------
kernel BUG at arch/i386/mm/pgtable-xen.c:527!
invalid opcode: 0000 Ä#2Ü
SMP
Modules linked in:
CPU:    0
EIP:    0061:Ä<c0111cfc>Ü    Not tainted VLI
EFLAGS: 00010282   (2.6.16-domU-linode1 #7)
EIP is at pgd_walk+0x22c/0x300
eax: ffffffea   ebx: f2039000   ecx: c2e34063   edx: 80000656
esi: 00000000   edi: ffffffff   ebp: 00000000   esp: c1c5fc88
ds: 007b   es: 007b   ss: 0069
Process spamd (pid: 22795, threadinfo=c1c5e000 task=c067e550)
Stack: <0>0068b3c0 80000000 00000000 c541d000 c541d000 00000000 00000046 00000063
       80000000 c281e230 000a83a0 c541d000 c067e550 c068b3c0 c0111ec4 0541d000
       c068b3c0 00007ff0 c0111f00 c1c5fce0 c0111f88 c068b3c0 00000005 0007fdb4
Call Trace:
 Ä<c0111ec4>Ü __pgd_unpin+0x34/0x50
 Ä<c0111f00>Ü mm_unpin+0x20/0x30
 Ä<c0111f88>Ü _arch_exit_mmap+0x78/0x1a0
 Ä<c014130d>Ü handle_IRQ_event+0x3d/0xb0
 Ä<c0155af1>Ü exit_mmap+0x21/0x130
 Ä<c0121470>Ü vprintk+0x230/0x340
 Ä<c011e548>Ü mmput+0x38/0xa0
 Ä<c012245f>Ü exit_mm+0x7f/0x100
 Ä<c012329c>Ü do_exit+0xfc/0x8e0
 Ä<c0105ee8>Ü die+0x238/0x240
 Ä<c014edb6>Ü page_address+0x16/0xb0
 Ä<c0112eac>Ü do_page_fault+0x60c/0x961
 Ä<c01f27bd>Ü __journal_file_buffer+0xcd/0x2b0
 Ä<c01128a0>Ü do_page_fault+0x0/0x961
 Ä<c0105313>Ü error_code+0x2b/0x30
 Ä<c014edb6>Ü page_address+0x16/0xb0
 Ä<c01538ec>Ü __handle_mm_fault+0x14c/0x1080
 Ä<c0152370>Ü unmap_vmas+0x670/0x8b0
 Ä<c015c028>Ü free_pages_and_swap_cache+0x88/0xb0
 Ä<c01565df>Ü unmap_region+0x11f/0x130
 Ä<c0191c7c>Ü inotify_dentry_parent_queue_event+0x4c/0xc3
 Ä<c0315e37>Ü _atomic_dec_and_lock+0x47/0x60
 Ä<c01129f9>Ü do_page_fault+0x159/0x961
 Ä<c0131d32>Ü sys_setresuid+0x152/0x1d0
 Ä<c01128a0>Ü do_page_fault+0x0/0x961
 Ä<c0105313>Ü error_code+0x2b/0x30
Code: c1 ea 14 8b 3d 44 95 54 c0 0b 54 24 04 c1 e3 0c 81 eb 00 00 00 40 21 f1 89 fe 21 f2 89 ee e8 cc f4 fe ff 85 c0 0f 84 f4 fe ff ff <0f> 0b 0f 02 cb 78 4a c0 ff 44 24 18 0f b6 05 42 96 54 c0 83 44
 <1>Fixing recursive fault but reboot is needed!
------------Ä cut here Ü------------