[Xen-devel] Xen unstable crash

[Andrew Lyon <andrew.lyon@xxxxxxxxx>]

Hi,

Running Xen unstable on a Dell Optiplex 755, after starting and
shutting down a few hvm's the system crashes with the following
message:

This is with Xensource 2.6.18.8 kernel:

(XEN) ** page_alloc.c:407 -- 449/512 ffffffffffffffff
(XEN) Xen BUG at page_alloc.c:409
(XEN) ----[ Xen-3.4-unstable  x86_64  debug=y  Not tainted ]----
(XEN) CPU:    1
(XEN) RIP:    e008:[<ffff828c8011206f>] alloc_heap_pages+0x35a/0x486
(XEN) RFLAGS: 0000000000010286   CONTEXT: hypervisor
(XEN) rax: 0000000000000000   rbx: ffff82840199b820   rcx: 0000000000000001
(XEN) rdx: 000000000000000a   rsi: 000000000000000a   rdi: ffff828c801fedec
(XEN) rbp: ffff830127fdfcb8   rsp: ffff830127fdfc58   r8:  0000000000000004
(XEN) r9:  0000000000000004   r10: 0000000000000010   r11: 0000000000000010
(XEN) r12: ffff828401998000   r13: 00000000000001c1   r14: 0000000000000200
(XEN) r15: 0000000000000000   cr0: 0000000080050033   cr4: 00000000000026f0
(XEN) cr3: 000000011f46e000   cr2: 000000000133a000
(XEN) ds: 0000   es: 0000   fs: 0063   gs: 0000   ss: e010   cs: e008
(XEN) Xen stack trace from rsp=ffff830127fdfc58:
(XEN)    0000000900000001 0000000000000098 0000000000000200 0000000100000001
(XEN)    ffff830127fdfcf8 ffff828c801a5c68 ffff830127fdfccc ffff830127fdff28
(XEN)    0000000000000027 0000000000000000 ffff83011d9c4000 0000000000000000
(XEN)    ffff830127fdfcf8 ffff828c8011383b 0100000400000009 ffff830127fdff28
(XEN)    0000000000000006 0000000044803760 00000000448037c0 0000000000000000
(XEN)    ffff830127fdff08 ffff828c80110591 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000200 0000000000000001 0000000000000000 0000000000000001
(XEN)    ffff828c80214d00 ffff830127fdfda8 ffff830127fdfde8 ffff828c80115811
(XEN)    0000000000000001 ffff828c80151777 ffff830127fdfda8 ffff828c8013c559
(XEN)    0000000000000004 0000020000000001 ffff830127fdfdb8 ffff828c8013c5f6
(XEN)    ffff830127fdfde8 ffff828c80107247 ffff830127fdfde8 ffff828c8011d73e
(XEN)    0000000000000001 0000000000000000 ffff830127fdfe28 ffff83011d9c4000
(XEN)    0000000000000282 0000000400000009 0000000044803750 ffff8300cfdfc030
(XEN)    ffff830127ff1f28 0000000000000002 ffff830127fdfe58 ffff828c80119cb7
(XEN)    00007cfed8020197 ffff828c80239180 0000000000000002 ffff830127fdfe68
(XEN)    ffff828c8011c0c8 ffff828c80239180 ffff830127fdfe78 ffff828c8014c173
(XEN)    ffff830127fdfe98 ffff828c801d166d ffff830127fdfe98 00000000000cce00
(XEN)    000000000001f600 ffff828c801d2063 0000000044803750 0000000000000004
(XEN)    0000000000000009 000000000000000a 00002b820b4a5eb7 ffff83011d9c4000
(XEN) Xen call trace:
(XEN)    [<ffff828c8011206f>] alloc_heap_pages+0x35a/0x486
(XEN)    [<ffff828c8011383b>] alloc_domheap_pages+0x128/0x17b
(XEN)    [<ffff828c80110591>] do_memory_op+0x988/0x17a7
(XEN)    [<ffff828c801cf1bf>] syscall_enter+0xef/0x149
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 1:
(XEN) Xen BUG at page_alloc.c:409
(XEN) ****************************************
(XEN)

And here again running opensuse 2.6.27 kernel:

(XEN) ** page_alloc.c:534 -- 0/1 ffffffffffffffff
(XEN) Xen BUG at page_alloc.c:536
(XEN) ----[ Xen-3.4-unstable  x86_64  debug=y  Not tainted ]----
(XEN) CPU:    1
(XEN) RIP:    e008:[<ffff828c80112d77>] free_heap_pages+0x12f/0x4b8
(XEN) RFLAGS: 0000000000010206   CONTEXT: hypervisor
(XEN) rax: 0000000000000000   rbx: ffff82840236e3e0   rcx: 0000000000000001
(XEN) rdx: ffffffffffffffff   rsi: 000000000000000a   rdi: ffff828c801fedec
(XEN) rbp: ffff830127fdfe90   rsp: ffff830127fdfe40   r8:  0000000000000004
(XEN) r9:  0000000000000004   r10: 0000000000000010   r11: 0000000000000010
(XEN) r12: ffff82840236e3e0   r13: 0000000000000000   r14: 0000000000000000
(XEN) r15: 0080000000000000   cr0: 000000008005003b   cr4: 00000000000026f0
(XEN) cr3: 00000000bf1b2000   cr2: 00000000004878d5
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e010   cs: e008
(XEN) Xen stack trace from rsp=ffff830127fdfe40:
(XEN)    0000000000000001 ffff82840236e3e0 0000000127fdfe90 0000000000000001
(XEN)    0000000000000000 0000000000000200 c2c2c2c2c2c2c2c2 ffff82840236e3c0
(XEN)    ffff82840236e2e0 ffff830000000000 ffff830127fdfed0 ffff828c8011329a
(XEN)    000000985dfe4f8c 0000000000000001 ffff830127fdff28 ffff828c80297880
(XEN)    0000000000000002 ffff828c80239100 ffff830127fdff00 ffff828c8011ba21
(XEN)    ffff8800e9be5d80 ffff830127fdff28 ffff828c802375b0 ffff8300cee8a000
(XEN)    ffff830127fdff20 ffff828c8013ca78 0000000000000001 ffff8300cfaee000
(XEN)    ffff830127fdfda8 ffff8800e9be5d80 ffff8800ea1006c0 ffffffff8070f1c0
(XEN)    000000000000008f ffff8800c4df3c98 0000000000000184 0000000000000246
(XEN)    ffff8800c4df3d68 ffff8800eab76b00 0000000000000000 0000000000000000
(XEN)    ffffffff802073aa 0000000000000009 00000000deadbeef 00000000deadbeef
(XEN)    0000010000000000 ffffffff802073aa 000000000000e033 0000000000000246
(XEN)    ffff8800c4df3c60 000000000000e02b 7f766dfbff79beef fddffff4f3b9beef
(XEN)    008488008022beef 0001000a0a03beef f7f5ff7b00000001 ffff8300cfaee000
(XEN) Xen call trace:
(XEN)    [<ffff828c80112d77>] free_heap_pages+0x12f/0x4b8
(XEN)    [<ffff828c8011329a>] page_scrub_softirq+0x19a/0x23c
(XEN)    [<ffff828c8011ba21>] do_softirq+0x6a/0x77
(XEN)    [<ffff828c8013ca78>] idle_loop+0x9d/0x9f
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 1:
(XEN) Xen BUG at page_alloc.c:536
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...


Andy

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel