Re: [Xen-devel] x86_64 dom0 smp broken?

[Ted Kaczmarek <tedkaz@xxxxxxxxxxxxx>]

I am in same boat with SMP Athlon, ever since 2.6.12.5 first started
showing up, and through 7483:98c6c36ac444.

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=359


I can actually boot, but nic cards don't work and likely other fun as
well.

Regards,
Ted

On Mon, 2005-10-24 at 10:49 -0500, Andrew Theurer wrote:
> On changeset 7483, actually I haven't been able to boot an SMP dom0 in a 
> while, anyway, here's the boot log:
> 
> Initializing CPU#6
> Brought up 8 CPUs
> Initializing CPU#7
> ERROR: domain->span does not contain CPU0
> ERROR: groups don't span domain->span
> ERROR: domain->span does not contain CPU1
> ERROR: domain->groups does not contain CPU1
> ERROR: empty group
>  00
> ERROR: group is NULL
> 
> CPU2 attaching sched-domain:
> Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP:
> <7><ffffffff80130d50>{find_busiest_group+96} domain 0: span 00
> ERROR: domain->span does not contain CPU2
> ERROR: domain->groups does not contain CPU2
>   groups:
> ERROR: empty group
>  00
> ERROR: group is NULL
> 
>   domain 1: span ff
>    groups: ff
> 
> PGD 0
> Oops: 0000 [1] SMP
> CPU 1
> Modules linked in:
> Pid: 4, comm: migration/1 Not tainted 2.6.12-xen0-smp
> RIP: e030:[<ffffffff80130d50>] <ffffffff80130d50>{find_busiest_group+96}
> RSP: e02b:ffff880000697d28  EFLAGS: 00010213
> RAX: 0000000000000000 RBX: 0000000000000080 RCX: 0000000000000080
> RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> RBP: ffff880000697d98 R08: 0000000000000008 R09: 0000000000000000
> R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
> R13: ffffffff805d1738 R14: 0000000000000008 R15: 0000000000000008
> FS:  0000000000000000(0000) GS:ffffffff80625980(0000) knlGS:0000000000000000
> CS:  e033 DS: 0000 ES: 
> 0000                                                    )Process migration/1 
> (pid: 4, threadinfo ffff880000696000, task ffff880000690750
> Stack: ffffffff80686d80 ffffffff80686d80 000000020000d9a7 ffff880000697e70
>        ffff88000100cc80 0000000000000000 0000000000000000 0000000000000000
>        0000000000000000 
> ffff880000690750                                       }Call 
> Trace:<ffffffff8045714c>{schedule+684} <ffffffff8012e9d3>{__wake_up_common}   
>     
> <ffffffff8013120b>{migration_thread+491} <ffffffff80131020>{migration_th
>        <ffffffff8014c4a9>{kthread+217} <ffffffff80132020>{schedule_tail+64}
>        <ffffffff8011353f>{child_rip+8} <ffffffff8014c3d0>{kthread+0}
> 
> -Andrew
> 
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