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

[David F Barrera <dfbp@xxxxxxxxxx>]

On Mon, 2005-09-19 at 14:53 -0500, Jerone Young wrote:
>       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.

It must have been fixed between changeset 6906 and 6951. I just rebuilt
with changeset 6951, and I was able to create a guest domain, too. 

> 
> 
> 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 ?? ()
> > #83 0x00000000 in ?? ()
> > #84 0x00000000 in ?? ()
> > #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 ?? ()
> > #97 0x00000000 in ?? ()
> > #98 0x00000000 in ?? ()
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> > ---Type <return> to continue, or q <return> to quit---
> > #115 0x00000000 in ?? ()
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> > #136 0x00000000 in ?? ()
> > #137 0x00000000 in ?? ()
> > ---Type <return> to continue, or q <return> to quit---
> > #138 0x00000000 in ?? ()
> > #139 0x00000000 in ?? ()
> > #140 0x00000000 in ?? ()
> > #141 0x00000000 in ?? ()
> > #142 0x00000000 in ?? ()
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> > #152 0x00000000 in ?? ()
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> > ---Type <return> to continue, or q <return> to quit---
> > #161 0x00000000 in ?? ()
> > #162 0x00000000 in ?? ()
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> > #183 0x00000000 in ?? ()
> > ---Type <return> to continue, or q <return> to quit---
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> > 
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> > #535 0x00000000 in ?? ()
> > #536 0x00000000 in ?? ()
> > #537 0x00000000 in ?? ()
> > #538 0x00000000 in ?? ()
> > #539 0x00000000 in ?? ()
> > #540 0x00000000 in ?? ()
> > #541 0x00000000 in ?? ()
> > #542 0x00000000 in ?? ()
> > #543 0x00000000 in ?? ()
> > #544 0x00000000 in ?? ()
> > #545 0x00000000 in ?? ()
> > #546 0x00000000 in ?? ()
> > #547 0x00000000 in ?? ()
> > #548 0x00000000 in ?? ()
> > #549 0x00000000 in ?? ()
> > #550 0x00000000 in ?? ()
> > #551 0x00000000 in ?? ()
> > ---Type <return> to continue, or q <return> to quit---
> > #552 0x00000000 in ?? ()
> > #553 0x00000000 in ?? ()
> > #554 0x00000000 in ?? ()
> > #555 0x00000000 in ?? ()
> > #556 0x00000000 in ?? ()
> > #557 0x00000000 in ?? ()
> > #558 0x00000000 in ?? ()
> > #559 0x00000000 in ?? ()
> > #560 0x00000000 in ?? ()
> > #561 0x00000000 in ?? ()
> > #562 0x00000000 in ?? ()
> > #563 0x00000000 in ?? ()
> > #564 0x00000000 in ?? ()
> > #565 0x00000000 in ?? ()
> > #566 0x00000000 in ?? ()
> > #567 0x00000000 in ?? ()
> > #568 0x00000000 in ?? ()
> > #569 0x00000000 in ?? ()
> > #570 0x00000000 in ?? ()
> > #571 0x00000000 in ?? ()
> > #572 0x00000000 in ?? ()
> > #573 0x00000000 in ?? ()
> > #574 0x00000000 in ?? ()
> > ---Type <return> to continue, or q <return> to quit---
> > #575 0x00000000 in ?? ()
> > #576 0x00000000 in ?? ()
> > #577 0x00000000 in ?? ()
> > #578 0x00000000 in ?? ()
> > #579 0x00000000 in ?? ()
> > #580 0x00000000 in ?? ()
> > #581 0x00000000 in ?? ()
> > #582 0x00000000 in ?? ()
> > #583 0x00000000 in ?? ()
> > #584 0x00000000 in ?? ()
> > #585 0x00000000 in ?? ()
> > #586 0x00000000 in ?? ()
> > #587 0x00000000 in ?? ()
> > #588 0x00000000 in ?? ()
> > #589 0x00000000 in ?? ()
> > #590 0x00000000 in ?? ()
> > #591 0x00000000 in ?? ()
> > #592 0x00000000 in ?? ()
> > #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
> > 
-- 
Regards,

David F Barrera
Linux Technology Center
Systems and Technology Group, IBM

"The wisest men follow their own direction. "
                                                        Euripides


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