On Wed, 19 Aug 2009, Jeremy Fitzhardinge wrote:
On 08/19/09 08:27, M A Young wrote:
On Tue, 18 Aug 2009, Jeremy Fitzhardinge wrote:
* make sure rebase/master is fairly functional and somewhat stable
* rename rebase/* to xen/*
* use it as the baseline dom0 and domU kernel in xen-unstable
I have had problems booting rebase/master on i686 for some time now.
The most recent crash looks different, and might be a STACKPROTECTOR
issue (which I just turned back on). The log ends
What happens before then? What stage is it at?
The previous problem gets a bit further, then reboots (in earlier builds I
think it hung) after
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input
to Xen)
(XEN) Freed 116kB init memory.
mapping kernel into physical memory
Xen: setup ISA identity maps
about to get started...
(XEN) ioapic_guest_write: apic=0, pin=0, old_irq=0, new_irq=-1
(XEN) ioapic_guest_write: old_entry=000009f0, new_entry=00010900
(XEN) ioapic_guest_write: Attempt to remove IO-APIC pin of in-use IRQ!
(XEN) ioapic_guest_write: apic=0, pin=4, old_irq=4, new_irq=-1
(XEN) ioapic_guest_write: old_entry=000009f1, new_entry=00010900
(XEN) ioapic_guest_write: Attempt to remove IO-APIC pin of in-use IRQ!
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen)
(XEN) Freed 116kB init memory.
(XEN) d0:v0: unhandled page fault (ec=0000)
(XEN) Pagetable walk from 00000014:
(XEN) L3[0x000] = 000000001bc03001 00001c03
(XEN) L2[0x000] = 0000000000000000 ffffffff
(XEN) domain_crash_sync called from entry.S (ff1b1cbe)
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-3.4.1 x86_32p debug=n Not tainted ]----
(XEN) CPU: 0
(XEN) EIP: e019:[<c0aaa9d0>]
What does this correspond to?
(gdb) x/i 0xc0aaa9d0
0xc0aaa9d0 <xen_init_irq_ops+23>: mov %gs:0x14,%eax
the context is
0xc0aaa9b9 <xen_init_irq_ops>: push %ebp
0xc0aaa9ba <xen_init_irq_ops+1>: mov $0x7,%ecx
0xc0aaa9bf <xen_init_irq_ops+6>: mov %esp,%ebp
0xc0aaa9c1 <xen_init_irq_ops+8>: push %edi
0xc0aaa9c2 <xen_init_irq_ops+9>: mov $0xc0a147b8,%edi
0xc0aaa9c7 <xen_init_irq_ops+14>: push %esi
0xc0aaa9c8 <xen_init_irq_ops+15>: mov $0xc0ae739c,%esi
0xc0aaa9cd <xen_init_irq_ops+20>: sub $0x4,%esp
0xc0aaa9d0 <xen_init_irq_ops+23>: mov %gs:0x14,%eax
0xc0aaa9d6 <xen_init_irq_ops+29>: mov %eax,-0xc(%ebp)
0xc0aaa9d9 <xen_init_irq_ops+32>: xor %eax,%eax
0xc0aaa9db <xen_init_irq_ops+34>: rep movsl %ds:(%esi),%es:(%edi)
0xc0aaa9dd <xen_init_irq_ops+36>: mov -0xc(%ebp),%eax
0xc0aaa9e0 <xen_init_irq_ops+39>: xor %gs:0x14,%eax
0xc0aaa9e7 <xen_init_irq_ops+46>: je 0xc0aaa9ee <xen_init_irq_ops+53>
Michael Young
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