Re: [Xen-devel] Xen unstable crash

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

Thanks. Our testing has showed this up too. The cause hasn't been tracked
down yet unfortunately.

 -- Keir

On 13/03/2009 10:33, "Andrew Lyon" <andrew.lyon@xxxxxxxxx> wrote:

> 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



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