Re: [Xen-devel] Unab[l]e to create guest domain on PAE enabled SLES 9 SP2 box, 4GB RAM

[Jerone Young <jyoung5@xxxxxxxxxx>]

        I was looking at bugzilla #209. I am able to create guest domain fine
on my XEN PAE (dual opteron w/ 6Gig RAM) using changeset 6951.


On Mon, 2005-09-19 at 13:45 -0500, David F Barrera wrote:
> On Mon, 2005-09-19 at 16:51 +0100, Keir Fraser wrote:
> > On 19 Sep 2005, at 15:28, Keir Fraser wrote:
> > 
> > > Looks like the domU is looping early during boot. It would be helpful 
> > > to get a backtrace out, but currently our gdb server patches only work 
> > > for 32-bit non-pae. I'll look at fixing this and then get back to you 
> > > with instructions on how to harvest a useful backtrace from this domU.
> > 
> > Okay, you need to pull the latest tree then follow the instructions in 
> > tools/debugger/gdb/README to build yourself a gdb server and to get a 
> > backtrace out of the hung domU.
> > 
> >  From within the gdb client session, run both 'bt' and 'disass' as 
> > recommended in the README file. Then cut & paste the result of the gdb 
> > client session into an email.
> 
> x335b:/tmp/xen-unstable.hg-PAE/tools/debugger/gdb/gdb-6.2.1-linux-i386-xen/gdb/gdbserver
>  # ./gdbserver-xen 127.0.0.1:9999 --attach 1
> domain currently paused
> Attached; pid = 1
> Listening on port 9999
> Remote debugging from host 127.0.0.1
> 
> 
> x335b:~ # gdb /boot/vmlinux-syms-2.6.12-xenU
> GNU gdb 6.3
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you
> are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for
> details.
> This GDB was configured as "i586-suse-linux"...(no debugging symbols
> found)
> Using host libthread_db library "/lib/libthread_db.so.1".
> 
> (gdb) directory /tmp/xen-unstable.hg-PAE/linux-2.6.12
> linux-2.6.12-xen0     linux-2.6.12-xenU     linux-2.6.12.tar.bz2
> (gdb) directory /tmp/xen-unstable.hg-PAE/linux-2.6.12-xenU
> Source directories searched: /tmp/xen-unstable.hg-PAE/linux-2.6.12-xenU:
> $cdir:$c wd
> (gdb) target remote 127.0.0.1:9999
> Remote debugging using 127.0.0.1:9999
> 0xc02523bd in xencons_ring_send ()
> warning: shared library handler failed to enable breakpoint
> (gdb) bt
> #0  0xc02523bd in xencons_ring_send ()
> #1  0xc124a7f8 in ?? ()
> #2  0x00000001 in ?? ()
> #3  0x00000004 in ?? ()
> #4  0x00000002 in ?? ()
> #5  0xcfd72000 in ?? ()
> #6  0xc00a17c0 in ?? ()
> #7  0xcfd72000 in ?? ()
> #8  0xc014db95 in cache_grow ()
> #9  0xc03f3c80 in ?? ()
> #10 0xc00a17c0 in ?? ()
> #11 0x00000001 in ?? ()
> #12 0xc0251ca7 in __xencons_tx_flush ()
> #13 0x00000001 in ?? ()
> #14 0x000000d0 in ?? ()
> #15 0x000007f9 in ?? ()
> #16 0x00000001 in ?? ()
> #17 0xc02518e5 in kcons_write ()
> #18 0xc03279c0 in xencons_lock ()
> #19 0x00000fc8 in ?? ()
> #20 0x00000fc9 in ?? ()
> #21 0x00000fc9 in ?? ()
> #22 0xc012145b in __call_console_drivers ()
> ---Type <return> to continue, or q <return> to quit---
> #23 0x00000fc9 in ?? ()
> #24 0x00000fc9 in ?? ()
> #25 0xffffffff in ?? ()
> #26 0xc01215a3 in call_console_drivers ()
> #27 0x36ffffff in ?? ()
> #28 0x00000fc9 in ?? ()
> #29 0x00000fc8 in ?? ()
> #30 0x00000000 in ?? ()
> #31 0xfffff037 in ?? ()
> #32 0xc0121b11 in release_console_sem ()
> #33 0x00000fc9 in ?? ()
> #34 0x00000000 in ?? ()
> #35 0x00000000 in ?? ()
> #36 0xc0384581 in printk_buf.6 ()
> #37 0x00000000 in ?? ()
> #38 0xc0121955 in vprintk ()
> #39 0x00000000 in ?? ()
> #40 0x00000001 in ?? ()
> #41 0x00000000 in ?? ()
> #42 0x00000000 in ?? ()
> #43 0xc031cba8 in cache_cache ()
> #44 0xc031cbb0 in cache_cache ()
> #45 0xc031cbe0 in cache_cache ()
> ---Type <return> to continue, or q <return> to quit---
> #46 0xcfd71d80 in ?? ()
> #47 0x00000030 in ?? ()
> #48 0xcfd71dd8 in ?? ()
> #49 0xcfd71d80 in ?? ()
> #50 0xc014e7da in enable_cpucache ()
> #51 0x00000078 in ?? ()
> #52 0x0000003c in ?? ()
> #53 0x00000008 in ?? ()
> #54 0xc03036de in __func__.3 ()
> #55 0xc014d3a8 in kmem_cache_create ()
> #56 0xcfd71d80 in ?? ()
> #57 0x00000000 in ?? ()
> #58 0xc0327415 in iosched_deadline ()
> #59 0x00000000 in ?? ()
> #60 0xc0370928 in __initcall_as_init ()
> #61 0xc0370928 in __initcall_as_init ()
> #62 0x00000000 in ?? ()
> #63 0xc0368b8b in deadline_init ()
> #64 0x00000030 in ?? ()
> #65 0x00000000 in ?? ()
> #66 0x00000000 in ?? ()
> #67 0x00000000 in ?? ()
> #68 0x00000000 in ?? ()
> ---Type <return> to continue, or q <return> to quit---
> #69 0xc12de000 in ?? ()
> #70 0xc0356a85 in do_initcalls ()
> #71 0x00000000 in ?? ()
> #72 0xc0305184 in __func__.3 ()
> #73 0xc0383b20 in cpu_core_id ()
> #74 0x00000000 in ?? ()
> #75 0x00000000 in ?? ()
> #76 0x00000000 in ?? ()
> #77 0xc0104115 in init ()
> #78 0x00000004 in ?? ()
> #79 0xc0104080 in run_init_process ()
> #80 0xc0107585 in kernel_thread_helper ()
> #81 0x00000000 in ?? ()
> #82 0x00000000 in ?? ()
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> #85 0x00000000 in ?? ()
> #86 0xc009a530 in ?? ()
> #87 0xc03198e0 in ident_map ()
> #88 0x00000000 in ?? ()
> #89 0x00000000 in ?? ()
> #90 0x00000001 in ?? ()
> #91 0x00000000 in ?? ()
> ---Type <return> to continue, or q <return> to quit---
> #92 0xffffffff in ?? ()
> #93 0xc012f6b0 in sys_restart_syscall ()
> #94 0x00000000 in ?? ()
> #95 0x00000000 in ?? ()
> #96 0x00000000 in ?? ()
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> ---Type <return> to continue, or q <return> to quit---
> #115 0x00000000 in ?? ()
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> ---Type <return> to continue, or q <return> to quit---
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> ---Type <return> to continue, or q <return> to quit---
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> ---Type <return> to continue, or q <return> to quit---
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> ---Type <return> to continue, or q <return> to quit---
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> 
> 
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> #593 0x00000000 in ?? ()
> #594 0x00000000 in ?? ()
> #595 0x00000000 in ?? ()
> #596 0x00000000 in ?? ()
> #597 0x00000000 in ?? ()
> ---Type <return> to continue, or q <return> to quit---
> #598 0x00000000 in ?? ()
> #599 0x00000000 in ?? ()
> #600 0x00000000 in ?? ()
> #601 0x00000000 in ?? ()
> #602 0x00000000 in ?? ()
> #603 0x00000000 in ?? ()
> #604 0x00000000 in ?? ()
> #605 0x00000000 in ?? ()
> #606 0x00000000 in ?? ()
> #607 0x00000000 in ?? ()
> #608 0x00000000 in ?? ()
> #609 0x00000000 in ?? ()
> #610 0x00000000 in ?? ()
> #611 0x00000000 in ?? ()
> #612 0x00000000 in ?? ()
> #613 0x00000000 in ?? ()
> #614 0x00000000 in ?? ()
> #615 0x00000000 in ?? ()
> #616 0x00000000 in ?? ()
> #617 0x00000000 in ?? ()
> #618 0x00000000 in ?? ()
> #619 0x00000000 in ?? ()
> #620 0x00000000 in ?? ()
> ---Type <return> to continue, or q <return> to quit---
> #621 0x00000000 in ?? ()
> #622 0x00000000 in ?? ()
> #623 0x00000000 in ?? ()
> #624 0x00000000 in ?? ()
> #625 0x00000000 in ?? ()
> #626 0x00000000 in ?? ()
> #627 0x00000000 in ?? ()
> #628 0x00000000 in ?? ()
> #629 0x00000000 in ?? ()
> #630 0x00000000 in ?? ()
> #631 0x00000000 in ?? ()
> #632 0x00000000 in ?? ()
> #633 0x00000000 in ?? ()
> #634 0x00000000 in ?? ()
> #635 0x00000000 in ?? ()
> #636 0x00000000 in ?? ()
> #637 0x00000000 in ?? ()
> #638 0x00000000 in ?? ()
> #639 0x00000000 in ?? ()
> #640 0x00000000 in ?? ()
> #641 0x00000000 in ?? ()
> #642 0x00000000 in ?? ()
> #643 0x00000000 in ?? ()
> ---Type <return> to continue, or q <return> to quit---
> #644 0x00000000 in ?? ()
> #645 0x00000000 in ?? ()
> #646 0x00000000 in ?? ()
> #647 0x00000000 in ?? ()
> #648 0x00000000 in ?? ()
> #649 0x00000000 in ?? ()
> #650 0x00000000 in ?? ()
> #651 0x00000000 in ?? ()
> #652 0x00000000 in ?? ()
> #653 0x00000000 in ?? ()
> #654 0x00000000 in ?? ()
> #655 0x00000000 in ?? ()
> #656 0x00000000 in ?? ()
> #657 0x00000000 in ?? ()
> #658 0x00000000 in ?? ()
> #659 0x00000000 in ?? ()
> #660 0x00000000 in ?? ()
> #661 0x00000000 in ?? ()
> #662 0x00000000 in ?? ()
> #663 0x00000000 in ?? ()
> #664 0x00000000 in ?? ()
> #665 0x00000000 in ?? ()
> #666 0x00000000 in ?? ()
> ---Type <return> to continue, or q <return> to quit---
> #667 0x00000000 in ?? ()
> #668 0x00000000 in ?? ()
> #669 0x00000000 in ?? ()
> #670 0x00000000 in ?? ()
> #671 0x00000000 in ?? ()
> #672 0x00000000 in ?? ()
> #673 0x00000000 in ?? ()
> #674 0x00000000 in ?? ()
> #675 0x00000000 in ?? ()
> #676 0x00000000 in ?? ()
> #677 0x00000000 in ?? ()
> #678 0x00000000 in ?? ()
> #679 0x00000000 in ?? ()
> #680 0x00000000 in ?? ()
> #681 0x00000000 in ?? ()
> #682 0x00000000 in ?? ()
> #683 0x00000000 in ?? ()
> #684 0x00000000 in ?? ()
> #685 0x00000000 in ?? ()
> #686 0x00000000 in ?? ()
> #687 0x00000000 in ?? ()
> #688 0x00000000 in ?? ()
> #689 0x00000000 in ?? ()
> ---Type <return> to continue, or q <return> to quit---
> #690 0x00000000 in ?? ()
> #691 0x00000000 in ?? ()
> #692 0x00000000 in ?? ()
> #693 0x00000000 in ?? ()
> #694 0x00000000 in ?? ()
> #695 0x00000000 in ?? ()
> #696 0x00000000 in ?? ()
> #697 0x00000000 in ?? ()
> #698 0x00000000 in ?? ()
> #699 0x00000000 in ?? ()
> #700 0x00000000 in ?? ()
> #701 0x00000000 in ?? ()
> #702 0x00000000 in ?? ()
> #703 0x00000000 in ?? ()
> #704 0x00000000 in ?? ()
> #705 0x00000000 in ?? ()
> #706 0x00000000 in ?? ()
> #707 0x00000000 in ?? ()
> #708 0x00000000 in ?? ()
> #709 0x00000000 in ?? ()
> #710 0x00000000 in ?? ()
> #711 0x00000000 in ?? ()
> #712 0x00000000 in ?? ()
> ---Type <return> to continue, or q <return> to quit---q
> Quit
> (gdb) disass
> Dump of assembler code for function xencons_ring_send:
> 0xc0252350 <xencons_ring_send+0>:       push   %ebx
> 0xc0252351 <xencons_ring_send+1>:       sub    $0x2c,%esp
> 0xc0252354 <xencons_ring_send+4>:       xor    %ebx,%ebx
> 0xc0252356 <xencons_ring_send+6>:       mov    0xc0382ce4,%eax
> 0xc025235b <xencons_ring_send+11>:      mov    0x14(%eax),%eax
> 0xc025235e <xencons_ring_send+14>:      shl    $0xc,%eax
> 0xc0252361 <xencons_ring_send+17>:      mov    %eax,%ecx
> 0xc0252363 <xencons_ring_send+19>:      and    $0xfff,%ecx
> 0xc0252369 <xencons_ring_send+25>:      shrd   $0xc,%ebx,%eax
> 0xc025236d <xencons_ring_send+29>:      mov    0xf5800000(,%eax,4),%eax
> 0xc0252374 <xencons_ring_send+36>:      shl    $0xc,%eax
> 0xc0252377 <xencons_ring_send+39>:      or     %ecx,%eax
> 0xc0252379 <xencons_ring_send+41>:      lea    0xc0000000(%eax),%edx
> 0xc025237f <xencons_ring_send+47>:      mov    %edx,(%esp)
> 0xc0252382 <xencons_ring_send+50>:      mov    0x38(%esp),%eax
> 0xc0252386 <xencons_ring_send+54>:      mov    %eax,0x8(%esp)
> 0xc025238a <xencons_ring_send+58>:      mov    0x34(%esp),%eax
> 0xc025238e <xencons_ring_send+62>:      mov    %eax,0x4(%esp)
> 0xc0252392 <xencons_ring_send+66>:      call   0xc02522d0
> <__xencons_ring_send>
> 0xc0252397 <xencons_ring_send+71>:      mov    0xc0382ce4,%edx
> 0xc025239d <xencons_ring_send+77>:      mov    %eax,%ecx
> 0xc025239f <xencons_ring_send+79>:      mov    $0x4,%eax
> ---Type <return> to continue, or q <return> to quit---
> 0xc02523a4 <xencons_ring_send+84>:      lea    0xc(%esp),%ebx
> 0xc02523a8 <xencons_ring_send+88>:      movzwl 0x18(%edx),%edx
> 0xc02523ac <xencons_ring_send+92>:      mov    %eax,0xc(%esp)
> 0xc02523b0 <xencons_ring_send+96>:      mov    %edx,0x10(%esp)
> 0xc02523b4 <xencons_ring_send+100>:     mov    $0x10,%edx
> 0xc02523b9 <xencons_ring_send+105>:     mov    %edx,%eax
> 0xc02523bb <xencons_ring_send+107>:     int    $0x82
> 0xc02523bd <xencons_ring_send+109>:     add    $0x2c,%esp
> 0xc02523c0 <xencons_ring_send+112>:     mov    %ecx,%eax
> 0xc02523c2 <xencons_ring_send+114>:     pop    %ebx
> 0xc02523c3 <xencons_ring_send+115>:     ret
> 0xc02523c4 <xencons_ring_send+116>:     lea    0x0(%esi),%esi
> 0xc02523ca <xencons_ring_send+122>:     lea    0x0(%edi),%edi
> End of assembler dump.
> (gdb)
> 
> > 
> > Keep the vmlinux-syms-2.6.12-xenU file hanging around. We may need that 
> > too, depending on what the backtrace tells us.
> > 
> >   -- Keir
> > 
> > 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> > 
> -- 
> Regards,
> 
> David F Barrera
> Linux Technology Center
> Systems and Technology Group, IBM
> 
> "The wisest men follow their own direction. "
>                                                         Euripides
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
> 
-- 
Jerone Young
IBM Linux Technology Center
jyoung5@xxxxxxxxxx
512-838-1157 (T/L: 678-1157)


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