Re: [Xen-devel] domU can't start, Non-priv warnings

[Andrew Theurer <habanero@xxxxxxxxxx>]

Ian Pratt wrote:

> Please could you lookup the symbols for the eip and maybe the first
> couple of text addresses on the stack.
I reproduced with a recent pull:

Latest ChangeSet: Wed Aug 17 13:22:18 2005
fbdbe4fc218de40d5176e0104908e05fb6e2c6ce

Looks like we are stuck in xen_l1_entry_update():

void xen_l1_entry_update(pte_t *ptr, pte_t val)
{
   mmu_update_t u;
   u.ptr = virt_to_machine(ptr);
   u.val = pte_val_ma(val);
   BUG_ON(HYPERVISOR_mmu_update(&u, 1, NULL, DOMID_SELF) < 0);
}

...assuming we are hitting the BUG

stack trace:

xen_l1_entry_update
__set_fixmap
acpi_find_rsdp
acpi_table_init
acpi_boot_table_init
setup_arch
level3_kernel_pgt
init_task
start_kernel

(XEN) Domain 3 (vcpu#0) crashed on cpu#3:
(XEN) CPU:    3
(XEN) EIP:    e033:[<ffffffff8011ee91>] ???
(XEN) EFLAGS: 0000000000000282
(XEN) rax: 00000000ffffffea   rbx: ffffffffff578000   rcx: 
ffffffff8011ee8d   r0
(XEN) rsi: 0000000000000001   rdi: ffffffff80599e90   rbp: 
8000000000000067   r8
(XEN) r8:  0000000000000100   r9:  0000000000020000   r10: 
0000000000007ff0   r6
(XEN) r12: ffff880001703fd0   r13: ffff880001704bc0   r14: 
8000000000000067   r0
(XEN) Guest stack trace from rsp=ffffffff80599e58:
(XEN)    ffffffff8011ee8d 0000000000000206 ffffffff8011ee91 
000000010000e030 00
(XEN)    8000000000000067 00000000001eb000 ffffffff8011c9aa 
0000000000000000 00
(XEN)    ffffffff805c226e 0000000000000e00 ffffffff805cab75 
0000000000001000 00
(XEN)    ffffffff805c22a3 0000000000000e00 ffffffff805c1115 
00000000d7c93830 ff
(XEN)    ffffffff80103000 ffffffff0000000f 0000000007020800 
ffffffff8047cc00 ff
(XEN)    ffffffff805ba558 ffffffff80537740 ffffffff805ba193 
80108e0000100038 00
(XEN)    0000000000000000 0000000000000000 0000000000000000 
0000000000000000 00

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