On 18.05.2010, at 11:57, Peter Lieven wrote:
> Alexander Graf wrote:
>> On 18.05.2010, at 11:14, Peter Lieven wrote:
>>
>>
>>> Hi,
>>>
>>> we try to migrate some Suse Linux Enterprise 10 64-bit guests from abandoned
>>> Virtual Iron by Iron Port to qemu-kvm 0.12.4. Unfortunately the guests are not
>>> very stable by now. With ACPI they end up in a kernel panic at boot time and without
>>> they occasionally hang during boot or shortly after.
>>>
>>
>> Could you please post the panics you get? What does hang during boot mean?
>>
> with acpi=off it hangs after starting powersaved
>> The easiest way to get them is probably to start the guest with -serial stdio and pass "console=ttyS0" on the grub command line.
>>
>>
> without acpi=off it hangs always with a lookup. one time it happened directly after initializing hpet0.
> btw, is it safe to turn of hpet for linux guests in genereal?
>
> regarding missing kvm-clock. i made the experience that some guests crash after live migration
> with clocksource=kvm_clock while they don't with clocksource=acpi_pm. this is off topic here,
> but its also something i would like to debug with someone.
>
>
> Starting cupsd done
> Starting ZENworks Management Daemon done
> IA-32 Microcode Update Driver v1.14 unregistered
> Starting INET services. (xinetd) done
> Checking/updating CPU microcode done
> NET: Registered protocol family 10
> lo: Disabled Privacy Extensions
> IPv6 over IPv4 tunneling driver
> ..dead
> Try to get initial date and time via NTP from 212.110.100.1 done
> Starting network time protocol daemon (NTPD) done
> Starting Name Service Cache Daemon done
> NetBackup SAN Client Fibre Transport daemon started.
> Starting powersaved: done
> Starting mail service (Postfix)
> NMI Watchdog detected LOCKUP on CPU 0
What host kernel are you running on? Or rather, what host kvm module version?
> CPU 0
> Modules linked in: ipv6 button battery ac apparmor aamatch_pcre loop usbhid dm_mod 8139cp mii uhci_hcd e1000 i2c_piix4 usbcore ide_cd i2c_core cdrom parport_pc lp parport ext3 jbd sg sym53c8xx scsi_transport_spi edd fan thermal processor piix sd_mod scsi_mod ide_disk ide_core
> Pid: 3134, comm: powersaved Not tainted 2.6.16.46-0.12-smp #1
This looks old. The SP3 GM version is 2.6.16.60-0.54.5. This release is definitely out of support :(.
After some searching I found the RPM. That's the SLES10 SP1 GM kernel version. I don't think anyone ever tested that one on kvm.
> RIP: 0010:[<ffffffff802dabf1>] <ffffffff802dabf1>{paranoid_restore+81}
Yeah, great. That one's not helpful at all:
0xffffffff802dabf1 <paranoid_restore+81>: iretq
> RSP: 0000:ffffffff8041afd8 EFLAGS: 00010086
> RAX: ffffffff88021d50 RBX: ffffffff88021e18 RCX: 00000000b4c562b6
> RDX: 00000000000001f7 RSI: ffffffff88021e18 RDI: 00000000000001f7
> RBP: 0000000000000000 R08: 00000000000004e2 R09: ffffffff80417d60
> R10: 000000000000001f R11: ffffffff8800752c R12: ffffffff88021d00
> R13: 00000000000004e2 R14: ffffffff80417dac R15: 0000000000000040
> FS: 00002ae1d26ee760(0000) GS:ffffffff803be000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 0000000000555b30 CR3: 0000000210fe9000 CR4: 00000000000006e0
> Process powersaved (pid: 3134, threadinfo ffff810210ff2000, task ffff810211f83850)
> Stack: ffffffff802dabf1 0000000000000010 0000000000010086 ffffffff8041afd8
> 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> Call Trace: <NMI> <ffffffff802dabf1>{paranoid_restore+81} <EOE>
> <ffffffff802dabf1>{paranoid_restore+81}
>
> Code: 48 cf 65 48 8b 0c 25 10 00 00 00 48 81 e9 d8 1f 00 00 8b 59
> console shuts up ...
> <0>Kernel panic - not syncing: Aiee, killing interrupt handler!
Please try out different values for -cpu. I think powersaved gets confused by the invalid CPU type we're emulating.
Alex
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