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Since 042stab083.2:

  • I/O limits for containers (requires vzctl 4.6)
  • iotop utility didn't work inside Containers (#2549)
  • Added the ability to see in which Container the process was killed by OOM killer (PCLIN-32184)
  • Fixed 'WARNING: at kernel/softirq.c:161 local_bh_enable_ip+0x7d/0xb0()' (PSBM-23346, #2526)
  • A race in ploop_tracker_init() could lead to data corruption on Container's live migration (PSBM-22993)
  • Kernel could crash on an attempt to access specific device (PSBM-21015)
  • Multiple improvements and fixes regarding ploop images stability and performance (PSBM-23452, PSBM-23302, PSBM-22506)
  • Other stability fixes (PSBM-23231, PSBM-20168, PSBM-23133, PSBM-22982, PSBM-22887, PSBM-22826, PSBM-22229, PSBM-22198, PSBM-21877, PSBM-21076, PSBM-20614, PSBM-18642)

For more details, please see changes for the relevant -testing kernels, starting from 042stab084.12.