Re: [Xen-devel] [BUG] Xen Arndale - Reboot

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Sorry for the late reply.

Thanks for the report, I am aware of the issue.
My last patch series for Linux
(http://marc.info/?l=linux-kernel&m=136690904916901&w=2) is going to fix
the reset and poweroff problem on domUs but not on dom0 yet.  The
problem is that each machine has a different reset and poweroff
mechanism and Xen doesn't have the platform specific functions to do
that yet.

On Sat, 13 Apr 2013, Sander Bogaert wrote:
> Hi,
> 
> In case this happens only on my setup and wasn't know yet I hope this
> is helpful:
> 
> Using the latest dom0 and xen repositories from Julien. I have a clean
> system ( debian wheezy armhf rootfs ), I just added the xencommons
> service to the start on boot. When I try to reboot the machine I get:
> 
> 
> Broadcast message from root@arndale (hvc0) (Thu Jan  1 00:01:30 1970):
> 
> The system is going down for reboot NOW!
> INIT: Switching to runlevel: 6
> root@arndale:/etc/init.d# [info] Using makefile-style concurrent boot
> in runlevel 6.
> Stopping xenconsoled
> Stopping QEMU
> WARNING: Not stopping xenstored, as it cannot be restarted.
> [....] Asking all remaining processes to terminate...done.
> [....] All processes ended within 1 seconds...done.
> [....] Stopping enhanced syslogd: rsyslogd. ok
> [info] Saving the system clock.
> hwclock: Cannot access the Hardware Clock via any known method.
> hwclock: Use the --debug option to see the details of our search for
> an access method.
> [....] Deconfiguring network interfaces...done.
> [....] Deactivating swap...done.
> [info] Will now restart.
> [  101.563647] Disabling non-boot CPUs ...
> [  101.567608] CPU1: Booted secondary processor
> [  101.567616] CPU1: shutdown
> [  101.567650] ------------[ cut here ]------------
> [  101.567655] kernel BUG at kernel/time/clockevents.c:284!
> [  101.567660] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
> [  101.567666] CPU: 1    Not tainted  (3.7.0-gfa5a106 #3)
> [  101.567678] PC is at clockevents_register_device+0x120/0x13c
> [  101.567689] LR is at arch_timer_setup+0x84/0x10c
> [  101.567695] pc : [<c00583e8>]    lr : [<c034f224>]    psr: 200000d3
> [  101.567695] sp : cf855fb8  ip : 00000000  fp : 00000000
> [  101.567699] r10: c035cddc  r9 : 410fc0f4  r8 : cf854000
> [  101.567703] r7 : c0476fd0  r6 : c04e2140  r5 : c0495080  r4 : c04e2140
> [  101.567707] r3 : 00000003  r2 : d5555585  r1 : 00000014  r0 : c04e2140
> [  101.567713] Flags: nzCv  IRQs off  FIQs off  Mode SVC_32  ISA ARM
> Segment kernel
> [  101.567717] Control: 10c5387d  Table: 4000406a  DAC: 55555555
> [  101.567722] Process swapper/1 (pid: 0, stack limit = 0xcf854238)
> [  101.567726] Stack: (0xcf855fb8 to 0xcf856000)
> [  101.567732] 5fa0:
>     00000000 c04e2140
> [  101.567738] 5fc0: c0495080 cf854000 c0476fd0 c034f224 c04e2140
> 00000001 cf854000 c034ed74
> [  101.567745] 5fe0: c047fa4c c034f114 cf854000 00000001 c0494d88
> c0068a54 ffffffff ffffffff
> [  101.567760] [<c00583e8>] (clockevents_register_device+0x120/0x13c)
> from [<c034f224>] (arch_timer_setup+0x84/0x10c)
> [  101.567773] [<c034f224>] (arch_timer_setup+0x84/0x10c) from
> [<c034ed74>] (percpu_timer_setup+0x9c/0xc4)
> [  101.567806] [<c034ed74>] (percpu_timer_setup+0x9c/0xc4) from
> [<c034f114>] (secondary_start_kernel+0xf8/0x128)
> [  101.567820] [<c034f114>] (secondary_start_kernel+0xf8/0x128) from
> [<c0068a54>] (rcu_irq_exit+0x6c/0xb0)
> [  101.567830] Code: e59f0020 e300111e ebff1bb3 eaffffef (e7f001f2)
> [  101.567839] ---[ end trace 61f38014716d2070 ]---
> [  101.567844] Kernel panic - not syncing: Attempted to kill the idle task!
> 
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> 

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