[Announce] Kernel RHEL6 testing 042stab060.5

Kir Kolyshkin kir at openvz.org
Wed Aug 1 08:11:46 EDT 2012


OpenVZ project has released an updated RHEL6 based
testing kernel. Read below for more information.

NOTE that this is a *testing* kernel, not recommended for production.


Changes
=======
Since 042stab59.7:
* Rebase to 2.6.32-279.2.1.el6 kernel (bug fix update)
* [timers] apps that use sys_clock_nanosleep() to suspend their 
execution could hang after CT migration
* [sysfs] /sys/devices/system/cpu has been "virtualized"
* [OOM/debug] added line "oom_score_adj: manual|auto" into 
/proc/bc/$ID/debug
* [devtmpfs] account devtmpfs inodes in tmpfs in proper context.
* [cpt] support for restart blocks used for CLOCK_PROCESS_CPUTIME_ID timers
* [cpt] a race has been fixed which can result in tasks left in frozen state
* [fuse] sync case of direct_IO should send a set of async requests 
(splitted incoming request) and wait for their completion
* [ploop] a warning calltrace shown when a ploop goes to "ABORTED" state 
has been removed
* [net/tg3] ~20% network performance decrease on Broadcom cards has been 
fixed
* [cgroups] notify_on_release and release_agent features of cgroups have 
been fixed
* [sysctl] sysctl code has been cleaned up in order for sysctl checker 
to not complain
* [iptables] fixed erroneous enabling of ip conntracks when reloading 
"nf_conntrack" module
* [nfsd] stopping a CT with NFS server inside caused a kernel BUG
* [sunrpc] kernel panic on mounting nfs in 2 CTs has been fixed
* [fuse] O_DIRECT operations vs cached writeback misorder has been fixed
* [ploop] kernel BUG in kaio_fsync_thread() has been fixed
* [net] netns batched cleanup support for veth, venet, and nf_conntrack
* [jbd] fix for BUG at fs/jbd/commit.c:325 has been updated
* [scheduler] "WARNING: at kernel/sched_rt.c:13" has been fixed
* [cpuinfo] support for masking CPU features in CT's /proc/cpuinfo with 
msr-tools
* [cpt] checkpointing code now checks cpu features available for CT 
using cpuid()
* [fuse] async processing of sync direct I/O has been corrected


Download
========
http://wiki.openvz.org/Download/kernel/rhel6-testing/042stab060.5


Bug reporting
=============
Use http://bugzilla.openvz.org/  to report any bugs found.


Other sources of info on updates
================================
See http://wiki.openvz.org/News  to view all the news (including updates)
online. There you can also find RSS/Atom feed links.


Best regards,
   OpenVZ team


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