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

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

Do you not get a couple of lines from Xen imediately preceeding the
crash? Might be worth a debug=y build.

Ian

> > 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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