[Xen-devel] boot error on Opteron

[Andrew Theurer <habanero@xxxxxxxxxx>]

Wondering if anyone has seen anything like this:

2 x Opteron, 8 GB memory
xen-unstable -hg6124
dom0_mem=917514

xen_mem: Initialising balloon driver.
SCSI subsystem initialized
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
Unable to handle kernel paging request at ffff880037c41000 RIP:
<ffffffff8015c62d>{do_no_page+1117}
PGD c00067 PUD c01067 PMD dc0067 PTE 55555555065
Oops: 0003 [1]
CPU 0
Modules linked in:
Pid: 7, comm: hotplug Not tainted 2.6.12-xen0-up
RIP: e030:[<ffffffff8015c62d>] <ffffffff8015c62d>{do_no_page+1117}
RSP: e02b:ffff880037c85d98  EFLAGS: 00010246
RAX: 0000000007e9d025 RBX: ffff880001033258 RCX: ffff880037c41000
RDX: ffffffff80707000 RSI: 0000000000000000 RDI: ffff880001033258
RBP: ffff880000e317e8 R08: 0000000000000000 R09: ffff880037c40010
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff880037c3a9f8 R14: 0000000000400160 R15: ffff880037c879c0
FS:  0000000000000000(0000) GS:ffffffff80509180(0000) 
knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process hotplug (pid: 7, threadinfo ffff880037c84000, task 
ffff880001e4e710)
Stack: 0000000000000000 ffffffff80174ec6 0000000000000000 
ffff880037c40010
       0000000137c39000 0000000000000000 0000000000400160 
ffff880037c40010
       ffff880037c879c0 0000000000400160
Call Trace:<ffffffff80174ec6>{copy_strings+470} 
<ffffffff8015c8c2>{handle_mm_fault+466}
       <ffffffff8011c536>{do_page_fault+1606} 
<ffffffff8011070b>{sys_execve+123}
       <ffffffff801124cf>{error_exit+0}
                                                                                
                                                                                
         
Code: 48 89 01 8b 4c 24 10 85 c9 74 18 48 89 df e8 d0 96 ff ff 4c
RIP <ffffffff8015c62d>{do_no_page+1117} RSP <ffff880037c85d98>
CR2: ffff880037c41000
 ----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at "arch/xen/x86_64/mm/hypervisor.c":64
invalid operand: 0000 [2]
CPU 0
Modules linked in:
Pid: 7, comm: hotplug Not tainted 2.6.12-xen0-up
RIP: e030:[<ffffffff8011d8f1>] 
<ffffffff8011d8f1>{xen_l1_entry_update+113}
RSP: e02b:ffff880037c85a10  EFLAGS: 00010282
RAX: 00000000ffffffea RBX: ffff880037c41000 RCX: ffffffff8011d8ed
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff880037c85a10
RBP: ffff880037c41000 R08: 00007fffffc5a000 R09: ffff880037c85b58
R10: 0000000000007ff0 R11: 0000000000000202 R12: 0000000000400000
R13: 000000000057a000 R14: 000000000057a000 R15: ffff880037c3f000
FS:  0000000000000000(0000) GS:ffffffff80509180(0000) 
knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process hotplug (pid: 7, threadinfo ffff880037c84000, task 
ffff880001e4e710)
Stack: 0000000007dc0208 00000000f7c41067 0000000000000004 
ffffffff8011a990
       0000000000000003 ffff880037c41000 ffff880001c32e38 
ffffffff8011cec1
       00000001f7c40010 ffff880001c32e38
Call Trace:<ffffffff8011a990>{make_page_writable+432} 
<ffffffff8011cec1>{pte_free+97}
       <ffffffff80159b3d>{free_pgd_range+765} 
<ffffffff80159de6>{free_pgtables+102}
       <ffffffff801602df>{exit_mmap+143} <ffffffff8012be1b>{mmput+27}
       <ffffffff8013006b>{do_exit+315} 
<ffffffff80239195>{do_unblank_screen+21}
       <ffffffff8011c815>{do_page_fault+2341} 
<ffffffff801124cf>{error_exit+0}
       <ffffffff8021b177>{copy_user_generic_c+13} 
<ffffffff801961b8>{load_elf_binary+5016}
       <ffffffff801124cf>{error_exit+0} 
<ffffffff8015c62d>{do_no_page+1117}
       <ffffffff80174ec6>{copy_strings+470} 
<ffffffff8015c8c2>{handle_mm_fault+466}
       <ffffffff8011c536>{do_page_fault+1606} 
<ffffffff8011070b>{sys_execve+123}
       <ffffffff801124cf>{error_exit+0}

..and this seems to loop infinitly

-Andrew


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