Re: Panic with xen 3.3.2 on domU creation

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Aug 08, 2011 at 02:09:45PM +0100, Hugo Silva wrote:
> On 08/08/11 13:00, Manuel Bouyer wrote:
> > On Mon, Aug 08, 2011 at 12:55:02PM +0100, Hugo Silva wrote:
> >> I'll give it a shot today. Do you know if there have been changes from
> >> .52 to the latest version which would necessitate a userland rebuild ?
> > 
> > I tested the .55 kernel on a NetBSD 5.0_STABLE userland so a .52 userland
> > should be OK too. But I didn't check every userland binary ...
> > 
> 
> uvm_fault(0xffffffff80622de0, 0x0, 1) -> e
> fatal page fault in supervisor mode
> trap type 6 code 0 rip ffffffff80217ff6 cs e030 rflags 10287 cr2  10 cpl
> 8 rsp ffffa0003cc1eb70
> kernel: page fault trap, code=0
> Stopped in pid 0.42 (system) at netbsd:turnstile_block+0x13a:   movq
> 20(%rax)
> ,%rax
> turnstile_block() at netbsd:turnstile_block+0x13a
> mutex_vector_enter() at netbsd:mutex_vector_enter+0xc0
> xbdback_do_io() at netbsd:xbdback_do_io+0x47
> workqueue_worker() at netbsd:workqueue_worker+0x81
> ds          7b
> es          d140
> fs          4b58
> gs          3
> rdi         ffffa0003cffdb40
> rsi         ffffa0003cbad140
> rbp         ffffa0003cc1ebb0
> rbx         fffffffffffffff0
> rdx         ffffa000343684f0
> rcx         7b
> rax         fffffffffffffff0
> r8          0
> r9          7b
> r10         ffffffff805a9c60    cpu_info_primary+0x20
> r11         0
> r12         ffffa0003cbad140
> r13         7b
> r14         ffffa0003cbad140
> r15         ffffa0003436e390
> rip         ffffffff80217ff6    turnstile_block+0x13a
> cs          e030
> rflags      10287
> rsp         ffffa0003cc1eb70
> ss          e02b
> netbsd:turnstile_block+0x13a:   movq    20(%rax),%rax
> 
> 
> While updating /usr/src using cvs from the dom0 (with 8 VMs running and
> light activity in some) - still with the .52 kernel.
> 
> Does this one still fall into the range of fixes that you've commited
> recently, or is it something else?

Still related to xbdback, so yes.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--