SUPPLEMENTAL: [Users] Cannot Allocate Memory after suspend / resume
Robert Heinzmann
Robert.Heinzmann at 1und1.de
Mon Jun 15 13:32:55 EDT 2009
Some more info:
this also happens:
- if the machine is on ext3
- if the machine is on xfs
- if the machine is resumed on another node
Looks like a BUG to me - doesnt it ?
Robert
> -----Ursprüngliche Nachricht-----
> Von: users-bounces at openvz.org
> [mailto:users-bounces at openvz.org] Im Auftrag von Robert Heinzmann
> Gesendet: Montag, 15. Juni 2009 15:38
> An: users at openvz.org
> Betreff: SUPPLEMENTAL: [Users] Cannot Allocate Memory after
> suspend / resume
>
> One more,
>
> this is reproducable ...
>
> robert
>
>
> > -----Ursprüngliche Nachricht-----
> > Von: users-bounces at openvz.org
> > [mailto:users-bounces at openvz.org] Im Auftrag von Robert Heinzmann
> > Gesendet: Montag, 15. Juni 2009 15:12
> > An: users at openvz.org
> > Betreff: [Users] Cannot Allocate Memory after suspend / resume
> >
> > Hello,
> >
> > I'm trying to use the following mechanism to transparently move
> > machines from one server to another.
> >
> > .. machine in /vz/ID/private and /vz/ID/root mounted as LVM LV
> >
> > 1) Suspend the machine (dumpfile /vz/ID/ID.dump)
> > 2) Umount Filesystem (/vz/ID)
> > 3) Create DRBD Device of /vz/ID (external Meta Data)
> > 4) Start and mount the DRBD (/vz/ID)
> > 5) resume the Machine
> >
> > .. Wait for sync to finish
> > ... Other actions
> >
> > After resume, the machine has this in the logs:
> >
> > Jun 15 14:27:01 test4 CRON[2268]: PAM unable to
> > dlopen(/lib/security/pam_unix.so)
> > Jun 15 14:27:01 test4 CRON[2268]: PAM [dlerror:
> > /lib/security/pam_unix.so: failed to map segment from shared object:
> > Cannot allocate memory]
> > Jun 15 14:27:01 test4 CRON[2268]: PAM adding faulty module:
> > /lib/security/pam_unix.so
> > Jun 15 14:27:01 test4 CRON[2268]: PAM unable to
> > dlopen(/lib/security/pam_env.so)
> > Jun 15 14:27:01 test4 CRON[2268]: PAM [dlerror:
> > /lib/security/pam_env.so: failed to map segment from shared object:
> > Cannot allocate memory]
> > Jun 15 14:27:01 test4 CRON[2268]: PAM adding faulty module:
> > /lib/security/pam_env.so
> > Jun 15 14:27:01 test4 CRON[2268]: PAM unable to
> > dlopen(/lib/security/pam_limits.so)
> > Jun 15 14:27:01 test4 CRON[2268]: PAM [dlerror:
> > /lib/security/pam_limits.so: failed to map segment from
> shared object:
> > Cannot allocate memory]
> > Jun 15 14:27:01 test4 CRON[2268]: PAM adding faulty module:
> > /lib/security/pam_limits.so
> > Jun 15 14:27:01 test4 CRON[2270]: PAM unable to
> > dlopen(/lib/security/pam_unix.so)
> >
> > But no beancounters are hit:
> >
> > test4:/# cat /proc/user_beancounters
> > Version: 2.5
> > uid resource held maxheld
> > barrier limit failcnt
> > 36: kmemsize 3243909 5416555
> > 84172801 100000000 0
> > lockedpages 0 0
> > 8182 8182 0
> > privvmpages 84088 91852
> > 512000 640000 0
> > shmpages 13 14
> > 256000 256000 0
> > dummy 0 0
> > 0 0 0
> > numproc 35 61
> > 1000 1000 0
> > physpages 8127 13348
> > 0 9223372036854775807 0
> > vmguarpages 0 0
> > 512000 9223372036854775807 0
> > oomguarpages 8127 13348
> > 512000 9223372036854775807 0
> > numtcpsock 13 15
> > 1200 1200 0
> > numflock 5 10
> > 1000 1000 0
> > numpty 2 2
> > 8 8 0
> > numsiginfo 0 2
> > 1024 1024 0
> > tcpsndbuf 247992 247992
> > 12000000 24000000 0
> > tcprcvbuf 212992 0
> > 12000000 24000000 0
> > othersockbuf 13872 61592
> > 6000000 12000000 0
> > dgramrcvbuf 0 2576
> > 512000 512000 0
> > numothersock 21 45
> > 1200 1200 0
> > dcachesize 142728 253530
> > 12000000 24000000 0
> > numfile 672 1144
> > 20000 20000 0
> > dummy 0 0
> > 0 0 0
> > dummy 0 0
> > 0 0 0
> > dummy 0 0
> > 0 0 0
> > numiptent 1245 1245
> > 2000 2000 0
> >
> >
> > This is a strange behaviour.
> >
> > Operating System:
> > Host : Debian Lenny 64 Bit
> > Guest/ VE : Debian Etch 32 Bit
> >
> > Host:
> >
> > HOST:~/deploy# dpkg -l | grep -e openvz -e vzctl
> > ii drbd8-module-2.6.26-2-openvz-amd64
> > 2:8.3.1-0+2.6.26-15lenny2
> > RAID 1 over tcp/ip for Linux kernel module
> > ii libopenvz-bc-perl 0.02-1
> > Perl access to OpenVZ Beancounter Data
> > ii linux-headers-2.6-openvz-amd64 2.6.26+17+lenny1
> > Header files for Linux 2.6-openvz-amd64
> > ii linux-headers-2.6.26-2-common-openvz 2.6.26-15lenny3
> > Common header files for Linux 2.6.26-2-openv
> > ii linux-headers-2.6.26-2-openvz-amd64 2.6.26-15lenny3
> > Header files for Linux 2.6.26-2-openvz-amd64
> > ii linux-image-2.6-openvz-amd64 2.6.26+17+lenny1
> > Linux 2.6 image on AMD64, OpenVZ support
> > ii linux-image-2.6.26-2-openvz-amd64 2.6.26-15lenny3
> > Linux 2.6.26 image on AMD64, OpenVZ support ...
> > ii vzctl 3.0.22-14
> > server virtualization solution - control too
> > ii vzquota 3.0.11-1
> > server virtualization solution - quota tools
> >
> > How can I debug ?
> >
> > Does the suspend also contain file handle information ?
> >
> > Is it possible to move a machine in suspended state to a different
> > location ?
> >
> > Any hints appreshiated ....
> >
> > Regards,
> > Robert
> >
> > ---
> > Robert Heinzmann
> >
> >
> > _______________________________________________
> > Users mailing list
> > Users at openvz.org
> > https://openvz.org/mailman/listinfo/users
> >
>
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