[Xen-devel] problems with latest unstable

[Kip Macy <kmacy@xxxxxxxxxxx>]

I have a dual-processor Opteron 242 with 8GB of RAM running 32-bit
Fedora Core 1 (yes that means that 4GB is unused). I installed the
latest unstable on it last night.

I'm not sure what was happening because as currently configured it
doesn't print anything past:
(XEN) Device eth0 opened and ready for use.
(XEN) Xen trace buffers: initialised
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen-ELF header found: 'GUEST_OS=linux,GUEST_VER=2.4,XEN_VER=1.3'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Kernel image:  02800000->02992810
(XEN)  Initrd image:  00000000->00000000
(XEN)  Dom0 alloc.:   02c00000->12c00000
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: c0000000->c01c6f08
(XEN)  Init. ramdisk: c01c7000->c01c7000
(XEN)  Phys-Mach map: c01c7000->c0207000
(XEN)  Page tables:   c0207000->c0209000
(XEN)  Start info:    c0209000->c020a000
(XEN)  Boot stack:    c020a000->c020b000
(XEN)  TOTAL:         c0000000->c0400000
(XEN)  ENTRY ADDRESS: c0000000
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen).
(XEN) Give DOM0 read access to all PCI devices
(XEN) tg3: eth0: Link is up at 1000 Mbps, full duplex.
(XEN) tg3: eth0: Flow control is off for TX and off for RX.


'ping' indicated that it would come up for about 20 seconds and then
reboot. I enabled "debug ?= y" in Rules.mk and now it more or less
works :-O. One interesting thing that is probably worth noting is that
every time I type 'ls', I get the following on the console:
(XEN) (file=traps.c, line=460) GPF (0004): fc5e3fa8 -> fc5f1fc5

fc5e3f90 <restore_all_guest>:
fc5e3f90:       16                      push   %ss
fc5e3f91:       1f                      pop    %ds
fc5e3f92:       8d 74 24 1c             lea    0x1c(%esp,1),%esi
fc5e3f96:       8d 7b 10                lea    0x10(%ebx),%edi
fc5e3f99:       a5                      movsl  %ds:(%esi),%es:(%edi)
fc5e3f9a:       a5                      movsl  %ds:(%esi),%es:(%edi)
fc5e3f9b:       a5                      movsl  %ds:(%esi),%es:(%edi)
fc5e3f9c:       a5                      movsl  %ds:(%esi),%es:(%edi)
fc5e3f9d:       5b                      pop    %ebx
fc5e3f9e:       59                      pop    %ecx
fc5e3f9f:       5a                      pop    %edx
fc5e3fa0:       5e                      pop    %esi
fc5e3fa1:       5f                      pop    %edi
fc5e3fa2:       5d                      pop    %ebp
fc5e3fa3:       58                      pop    %eax
fc5e3fa4:       1f                      pop    %ds
fc5e3fa5:       07                      pop    %es
fc5e3fa6:       0f a1                   pop    %fs
fc5e3fa8:       0f a9                   pop    %gs
fc5e3faa:       83 c4 04                add    $0x4,%esp
fc5e3fad:       cf                      iret


fc5f1fb2 <multicall_fixup1>:
fc5f1fb2:       83 c4 04                add    $0x4,%esp
fc5f1fb5:       5b                      pop    %ebx
fc5f1fb6:       b8 f2 ff ff ff          mov    $0xfffffff2,%eax
fc5f1fbb:       e9 a5 20 ff ff          jmp    fc5e4065 
<ret_from_hypervisor_call>
fc5f1fc0:       83 ec 04                sub    $0x4,%esp
fc5f1fc3:       0f a8                   push   %gs
fc5f1fc5:       0f a0                   push   %fs
fc5f1fc7:       06                      push   %es


Am I objdump'ing the wrong thing? Is this innocuous?


                                -Kip


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