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[Xen-devel] x86-64 xen broken with May4th xen-unstable build

  • To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Jerone Young <jyoung5@xxxxxxxxxx>
  • Date: Wed, 04 May 2005 17:29:09 -0500
  • Delivery-date: Wed, 04 May 2005 22:29:54 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

There are two things that happened in the May 4th build.

1) x86-64 xen Linux is looking for arch/xen/x86_64/pci/direct.c (a
symlink to arc/xen/pci/i386/pci/direct.c) and can't find it.
        This can easily be resolved by commenting out "c-xen-obj-
$(CONFIG_PCI_DIRECT)+= direct.o" in arch/xen/pci/Makefile. This was
removed from i386 and no one told x86-64 about it ...that's why he
always misses the party :-)

2) When booting dom0, I can nolonger bootup and the domain crashes not
far in the bootup:
(XEN) Xen-ELF header found:
(XEN)  Dom0 alloc.:   0000000010000000->0000000020000000 (62464 pages to
(XEN)  Loaded kernel: ffffffff80100000->ffffffff80519086
(XEN)  Init. ramdisk: ffffffff8051a000->ffffffff8051a000
(XEN)  Phys-Mach map: ffffffff8051a000->ffffffff80597000
(XEN)  Page tables:   ffffffff80597000->ffffffff8059e000
(XEN)  Start info:    ffffffff8059e000->ffffffff8059f000
(XEN)  Boot stack:    ffffffff8059f000->ffffffff805a0000
(XEN)  TOTAL:         ffffffff80000000->ffffffff80800000
(XEN)  ENTRY ADDRESS: ffffffff80100000
(XEN) Scrubbing Free RAM: ....................................done.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
input to Xen).
 Xen: 0000000000000000 - 000000001f400000 (usable)
kernel direct mapping tables upto ffff88001f400000 @ 59e000-69a000
Linux version 2.6.11-xen0 (root@xen64) (gcc version 3.4.3 20050227 (Red
Hat 3.4.3-25Registering memory for bootmem: from  800000, size =
Built 1 zonelists
Kernel command line: ro root=/dev/sda1
Initializing CPU#0
PID hash table entries: 2048 (order: 11, 65536 bytes)
Xen reported: 2193.760 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
Memory: 495616k/512000k available (2474k kernel code, 7872k reserved,
880k data, 40)(XEN) BUG at domain.c:136
(XEN) CPU:    0
(XEN) EIP:    0810:[<ffff830000107369>]
(XEN) EFLAGS: 0000000000010282
(XEN) rax: 0000000000000000   rbx: ffff830000ffbb00   rcx:
00000000000003f8   rdx: 6(XEN) rsi: 000000000000000a   rdi:
ffff830000158474   rbp: ffff830000ff4080   rsp: 0(XEN) r8:
0000000000000036   r9:  0000000000001687   r10: 0000000000000001   r11:
5(XEN) r12: ffff830000155ea0   r13: ffff830000155e80   r14:
0000000000000000   r15: 0(XEN) Stack trace from RSP=ffff830000105f00:
(XEN)     0000000000000810 ffff830000ff4080 ffff830000ff4080
[ffff830000107459] [ff
(XEN)     ffffffff80100038 ffffffff803d1c80 00000000ffff8b19
0000000000000000 ffff8
(XEN)     000000007fb67903 0000000000000002 0000000000000355
0000000000010000 00000
(XEN)     ffffffff804b3f80 000000000000082b 000000000000082b
0000000000000000 00000
(XEN) Call Trace from RSP=ffff830000105f00:
(XEN)    [<ffff830000107459>] [<ffff830000133f86>] [<ffff830000133ea3>]

CPU0 FATAL TRAP: vector = 6 (invalid operand)
Aieee! CPU0 is toast...

Reboot in five seconds...
Jerone Young
IBM Linux Technology Center
512-838-1157 (T/L: 678-1157)

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