[pve-devel] migration problems since qemu 1.3

[Alexandre DERUMIER]

Hi Stefan, any news ?

I'm trying to reproduce your problem, but it's works fine for me, no crash...

----- Mail original ----- 

De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
À: "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Jeudi 20 Décembre 2012 16:09:42 
Objet: Re: [pve-devel] migration problems since qemu 1.3 

Hi, 
Am 20.12.2012 15:57, schrieb Alexandre DERUMIER: 
> Just an idea (not sure it's the problem),can you try to commment 
> 
> $qmpclient->queue_cmd($vmid, $ballooncb, 'query-balloon'); 
> 
> in QemuServer.pm, line 2081. 
> 
> and restart pvedaemon && pvestatd ? 

This doesn't change anything. 

Right now the kvm process is running on old and new machine. 

An strace on the pid on the new machine shows a loop of: 

---------------- 
[pid 28351] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed 
out) 
[pid 28351] futex(0x7ff8b8025388, FUTEX_WAKE_PRIVATE, 1) = 0 
[pid 28351] futex(0x7ff8b8026024, 
FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 11801, {1356016143, 
843092000}, ffffffff <unfinished ...> 
[pid 28285] mremap(0x7ff77bfe4000, 160378880, 160411648, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160411648, 160448512, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160448512, 160481280, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160481280, 160514048, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160514048, 160546816, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160546816, 160583680, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160583680, 160616448, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160616448, 160649216, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160649216, 160681984, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160681984, 160718848, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160718848, 160751616, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160751616, 160784384, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160784384, 160817152, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160817152, 160854016, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160854016, 160886784, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160886784, 160919552, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160919552, 160952320, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160952320, 160989184, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 160989184, 161021952, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161021952, 161054720, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161054720, 161087488, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161087488, 161124352, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161124352, 161157120, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161157120, 161189888, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161189888, 161222656, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161222656, 161259520, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161259520, 161292288, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161292288, 161325056, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28351] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed 
out) 
[pid 28351] futex(0x7ff8b8025388, FUTEX_WAKE_PRIVATE, 1) = 0 
[pid 28351] futex(0x7ff8b8026024, 
FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 11803, {1356016144, 
843283000}, ffffffff <unfinished ...> 
[pid 28285] mremap(0x7ff77bfe4000, 161325056, 161357824, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161357824, 161394688, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161394688, 161427456, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161427456, 161460224, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28345] <... restart_syscall resumed> ) = -1 ETIMEDOUT (Connection 
timed out) 
[pid 28345] futex(0x7ff8caa2e274, FUTEX_CMP_REQUEUE_PRIVATE, 1, 
2147483647, 0x7ff8caa2e1b0, 872) = 1 
[pid 28347] <... futex resumed> ) = 0 
[pid 28345] futex(0x7ff8caa241a8, FUTEX_WAKE_PRIVATE, 1 <unfinished ...> 
[pid 28347] futex(0x7ff8caa2e1b0, FUTEX_WAKE_PRIVATE, 1 <unfinished ...> 
[pid 28345] <... futex resumed> ) = 0 
[pid 28347] <... futex resumed> ) = 0 
[pid 28345] futex(0x7ff8caa2420c, 
FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 799, {1356016153, 
954319000}, ffffffff <unfinished ...> 
[pid 28347] sendmsg(19, {msg_name(0)=NULL, msg_iov(1)=[{"\t", 1}], 
msg_controllen=0, msg_flags=0}, MSG_NOSIGNAL) = 1 
[pid 28347] futex(0x7ff8caa2e274, FUTEX_WAIT_PRIVATE, 873, NULL 
<unfinished ...> 
[pid 28285] mremap(0x7ff77bfe4000, 161460224, 161492992, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161492992, 161529856, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161529856, 161562624, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161562624, 161595392, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161595392, 161628160, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161628160, 161665024, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161665024, 161697792, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161697792, 161730560, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161730560, 161763328, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161763328, 161800192, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161800192, 161832960, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161832960, 161865728, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161865728, 161898496, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
[pid 28285] mremap(0x7ff77bfe4000, 161898496, 161935360, MREMAP_MAYMOVE) 
= 0x7ff77bfe4000 
----------------------- 


Stefan