- Issued:
- 2011-12-21
- Updated:
- 2011-12-21
RHBA-2011:1846 - Bug Fix Advisory
Synopsis
kernel bug fix update
Type/Severity
Bug Fix Advisory
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
Updated kernel packages that fix two bugs are now available for Red Hat
Enterprise Linux 6 Extended Update Support.
Description
The kernel packages contain the Linux kernel, the core of any Linux operating
system.
This update fixes the following bugs:
- Previously, the idle_balance() function dropped or retook the rq->lock
parameter, leaving the previous task vulnerable to the set_tsk_need_resched()
function. Now, the parameter is cleared in setup_thread_stack() after a return
from balancing and no successfully descheduled or never scheduled task has it
set, thus fixing this bug. (BZ#751995)
- A software bug related to Context Caching existed in the Intel IOMMU support
module. On some newer Intel systems, the Context Cache mode has changed from
previous hardware versions, potentially exposing a Context coherency race. The
bug was exposed when performing a series of hot plug and unplug operations of a
Virtual Function network device which was immediately configured into the
network stack, i.e., successfully performed dynamic host configuration protocol
(DHCP). When the coherency race occurred, the assigned device would not work
properly in the guest virtual machine. With this update, the Context coherency
is corrected and the race and potentially resulting device assignment failure no
longer occurs. (BZ#757670)
All users of kernel are advised to upgrade to these updated packages, which fix
these bugs. The system must be rebooted for this update to take effect.
Solution
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259
Affected Products
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.1 x86_64
- Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.1 i386
- Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 6.1 s390x
- Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.1 ppc64
- Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.1 x86_64
- Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.1 i386
- Red Hat Virtual Storage Appliance (from RHUI) 6.1 x86_64
Fixes
(none)CVEs
(none)
References
(none)
Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.1
SRPM | |
---|---|
kernel-2.6.32-131.22.1.el6.src.rpm | SHA-256: 69fb7f3aae6076f0b09db8b90e7340dc3ee0e526e2b3054a0075f661453bd332 |
x86_64 | |
kernel-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 18f290a3f636473a6faae971c8e832ece765569fc5185a3c1016ddf6205628be |
kernel-debug-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 719b218f45bf77846730efd781a209a407c96c230359175564285fd01e1ff195 |
kernel-debug-debuginfo-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 65d0432ac5a3c058e31df252ba5a1fcf0516c5f31070f47638d87ffaf3a67685 |
kernel-debug-devel-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: db73e38cfdb9a8c772ca43aa17d5ee8a080bdfab135c02a46d2918d7638b894c |
kernel-debuginfo-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 35017d47900aaaefdf9e1a78cc280510b81fdcb12d29829364b71b42854313e7 |
kernel-debuginfo-common-x86_64-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: f9259745bed8e5c10ac2dc6768b5263af5041e11d6ebee815d8a95b433801a4c |
kernel-devel-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 7076c610eeccbbcd3322e5abdc7a265b604b00f947cb225b2c71a4b9e94ef4fe |
kernel-doc-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: 28527635c92f2ff353fd6b263a01a304d35e97aa2738a0752f18759905981189 |
kernel-firmware-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: cfbbd8230af4152db0690de42fc25bd92680b37d433ae74d7270c2d67493a799 |
kernel-headers-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: babc3ad15c3a64238c813acf4ae3fc1659eaf05f25bea214b1ff98be111dd93b |
perf-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 962ca21bc5ae5fc6c5043ed8e6e5d5319bb333f81d29f1268d2151124eee1e4b |
perf-debuginfo-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: c8c481a7d677cba98904e8359a3edf24c9276d5f0e1ad44850c994c558c76375 |
i386 | |
kernel-2.6.32-131.22.1.el6.i686.rpm | SHA-256: d1441b72fd0a629d4b797787ad7875114e4969da6a9561cd26ed51b034c8ffb2 |
kernel-debug-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 8f5931499a7a469b896026003f3c2ed626a329d48b70df013dba9bfda71a4f30 |
kernel-debug-debuginfo-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 4bd00b07a36d8c7faf1b48923dccc30bec0ebee5dd8a96845a4bb662d11d9be2 |
kernel-debug-devel-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 77efda6a46ce8c50dbd18cee966e3da89bd8258040a9c23b407b60b14dc16b95 |
kernel-debuginfo-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 75438fe0fb50bd81ac7959bee3ad2f77a90ed74d5d34381780a3999a7d3d0f5b |
kernel-debuginfo-common-i686-2.6.32-131.22.1.el6.i686.rpm | SHA-256: a53055d09e7bcd11c09556da3f0fde1314400362046084fcb60bff1bab705970 |
kernel-devel-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 7e1816e7d0d92c56679076f25c84efb6ad8297f90e5e521e4ca5e71f8579ce41 |
kernel-doc-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: 28527635c92f2ff353fd6b263a01a304d35e97aa2738a0752f18759905981189 |
kernel-firmware-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: cfbbd8230af4152db0690de42fc25bd92680b37d433ae74d7270c2d67493a799 |
kernel-headers-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 3563bfb2f66af9b13fcb262ea34944b488f074f5a404c5e112139528131ed1b6 |
perf-2.6.32-131.22.1.el6.i686.rpm | SHA-256: b08d89e06ee08503f3168c8cd791d01be8e8378d5f7cc4044b4830823ad82981 |
perf-debuginfo-2.6.32-131.22.1.el6.i686.rpm | SHA-256: dcf1b9bf9a5933408edf91b64af328c962edf598f43cb287c051b3b5923ec2a1 |
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 6.1
SRPM | |
---|---|
kernel-2.6.32-131.22.1.el6.src.rpm | SHA-256: 69fb7f3aae6076f0b09db8b90e7340dc3ee0e526e2b3054a0075f661453bd332 |
s390x | |
kernel-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: ba8264fa5adc2d60f6e9c5975b9ae5628ae0f4a9b93986f09151a7e6db18aaff |
kernel-debug-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: 2f2e867a876edc1e47937a40d45b3716fbf389813443f282b13b1b479727d9fd |
kernel-debug-debuginfo-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: e3b65bb1a6e90a19f2f757c191f63ea2c145088048ce2948dc08d62cdc1ab9a2 |
kernel-debug-devel-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: b45defbbd5893594938eafc5ecf574a6f484c88c4d468512136c57910e06a6e1 |
kernel-debuginfo-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: 8dcea5d7d1c4f2dc24052678ab2072570560dd161d2be75f31b4e3aa1acb0fa8 |
kernel-debuginfo-common-s390x-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: 7a608defef61884e10d8fea127d2e95921a68a36249139c82106eb62bc132f6c |
kernel-devel-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: 3adb15c38656f27d7dde02025895ecebc85c15656489e2d4bb70487486bebe5d |
kernel-doc-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: 28527635c92f2ff353fd6b263a01a304d35e97aa2738a0752f18759905981189 |
kernel-firmware-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: cfbbd8230af4152db0690de42fc25bd92680b37d433ae74d7270c2d67493a799 |
kernel-headers-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: fd703c097f87de24254556525b9fe4c3336d42fa753fcedfc32d9f1d5846b6d2 |
kernel-kdump-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: 993761915d05901a713f2167aee51fd551ca2a2698aa774f60de42661b60479d |
kernel-kdump-debuginfo-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: 40d413bf0d709a46c27959d82d1815d38800a12112cab5266e1a0a35dd31d877 |
kernel-kdump-devel-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: b5420ba86e3551f6f3ecc0f2d39c8012d22511dbe7a03ab5c3409bf83ec7e11e |
perf-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: d55e3b3bafb0d8d61fb558fafbbbf209cee1f1923f36974ec2469a45a2ec3222 |
perf-debuginfo-2.6.32-131.22.1.el6.s390x.rpm | SHA-256: b0fa36edab93b53dd99c7adb9a05faa3c777fba4286206eab21306f62fe44fdb |
Red Hat Enterprise Linux for Power, big endian - Extended Update Support 6.1
SRPM | |
---|---|
kernel-2.6.32-131.22.1.el6.src.rpm | SHA-256: 69fb7f3aae6076f0b09db8b90e7340dc3ee0e526e2b3054a0075f661453bd332 |
ppc64 | |
kernel-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 31ac4600bfc7784cd2670682d37f11ff67b071e997cb02b15d149e7ca1bd1b83 |
kernel-bootwrapper-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 6661bda6ced995a96c7c25dd95b348036dd89553c54afb33e6ab01171602466b |
kernel-debug-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 30e5239a4d00ce4c451a7e3f2fcb48b6ba1b49e18e34910c2b55ef0bb5bbcfc9 |
kernel-debug-debuginfo-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 9cfe677ee4144fd5356358ae42c3b9a16729567f5567a896e77a7f53d99dab55 |
kernel-debug-devel-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 15e04c5e580822254bb3cda842f80b7722d9440acd03d745d0613e3b68c630b8 |
kernel-debuginfo-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 11c2126f884737cac6acbdcd19947246d2fb1ac4c6e920d7f4a15c6414504d7c |
kernel-debuginfo-common-ppc64-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: cd6f54160ed7f26c4509ad4b09c57c1f61c1d3aaf075a6c0fa8296af1861d278 |
kernel-devel-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 70a622a7203b2ac18d4d6491f025e5ba48211aafd39b035bfc4b6a37a0261f5d |
kernel-doc-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: 28527635c92f2ff353fd6b263a01a304d35e97aa2738a0752f18759905981189 |
kernel-firmware-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: cfbbd8230af4152db0690de42fc25bd92680b37d433ae74d7270c2d67493a799 |
kernel-headers-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 44ded5028b206f63fe0bda310466be7106fa36e424a9ac79ef375dfff246695f |
perf-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 32fe88e26f7f290c7ca7c6c44996d02a676ae178c6b614807079be3b0754c245 |
perf-debuginfo-2.6.32-131.22.1.el6.ppc64.rpm | SHA-256: 63839704973b3c03132b82aee6b6a18710af4c07d5190988904e7131eab77a9b |
Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.1
SRPM | |
---|---|
kernel-2.6.32-131.22.1.el6.src.rpm | SHA-256: 69fb7f3aae6076f0b09db8b90e7340dc3ee0e526e2b3054a0075f661453bd332 |
x86_64 | |
kernel-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 18f290a3f636473a6faae971c8e832ece765569fc5185a3c1016ddf6205628be |
kernel-debug-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 719b218f45bf77846730efd781a209a407c96c230359175564285fd01e1ff195 |
kernel-debug-debuginfo-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 65d0432ac5a3c058e31df252ba5a1fcf0516c5f31070f47638d87ffaf3a67685 |
kernel-debug-devel-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: db73e38cfdb9a8c772ca43aa17d5ee8a080bdfab135c02a46d2918d7638b894c |
kernel-debuginfo-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 35017d47900aaaefdf9e1a78cc280510b81fdcb12d29829364b71b42854313e7 |
kernel-debuginfo-common-x86_64-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: f9259745bed8e5c10ac2dc6768b5263af5041e11d6ebee815d8a95b433801a4c |
kernel-devel-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 7076c610eeccbbcd3322e5abdc7a265b604b00f947cb225b2c71a4b9e94ef4fe |
kernel-doc-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: 28527635c92f2ff353fd6b263a01a304d35e97aa2738a0752f18759905981189 |
kernel-firmware-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: cfbbd8230af4152db0690de42fc25bd92680b37d433ae74d7270c2d67493a799 |
kernel-headers-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: babc3ad15c3a64238c813acf4ae3fc1659eaf05f25bea214b1ff98be111dd93b |
perf-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: 962ca21bc5ae5fc6c5043ed8e6e5d5319bb333f81d29f1268d2151124eee1e4b |
perf-debuginfo-2.6.32-131.22.1.el6.x86_64.rpm | SHA-256: c8c481a7d677cba98904e8359a3edf24c9276d5f0e1ad44850c994c558c76375 |
i386 | |
kernel-2.6.32-131.22.1.el6.i686.rpm | SHA-256: d1441b72fd0a629d4b797787ad7875114e4969da6a9561cd26ed51b034c8ffb2 |
kernel-debug-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 8f5931499a7a469b896026003f3c2ed626a329d48b70df013dba9bfda71a4f30 |
kernel-debug-debuginfo-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 4bd00b07a36d8c7faf1b48923dccc30bec0ebee5dd8a96845a4bb662d11d9be2 |
kernel-debug-devel-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 77efda6a46ce8c50dbd18cee966e3da89bd8258040a9c23b407b60b14dc16b95 |
kernel-debuginfo-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 75438fe0fb50bd81ac7959bee3ad2f77a90ed74d5d34381780a3999a7d3d0f5b |
kernel-debuginfo-common-i686-2.6.32-131.22.1.el6.i686.rpm | SHA-256: a53055d09e7bcd11c09556da3f0fde1314400362046084fcb60bff1bab705970 |
kernel-devel-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 7e1816e7d0d92c56679076f25c84efb6ad8297f90e5e521e4ca5e71f8579ce41 |
kernel-doc-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: 28527635c92f2ff353fd6b263a01a304d35e97aa2738a0752f18759905981189 |
kernel-firmware-2.6.32-131.22.1.el6.noarch.rpm | SHA-256: cfbbd8230af4152db0690de42fc25bd92680b37d433ae74d7270c2d67493a799 |
kernel-headers-2.6.32-131.22.1.el6.i686.rpm | SHA-256: 3563bfb2f66af9b13fcb262ea34944b488f074f5a404c5e112139528131ed1b6 |
perf-2.6.32-131.22.1.el6.i686.rpm | SHA-256: b08d89e06ee08503f3168c8cd791d01be8e8378d5f7cc4044b4830823ad82981 |
perf-debuginfo-2.6.32-131.22.1.el6.i686.rpm | SHA-256: dcf1b9bf9a5933408edf91b64af328c962edf598f43cb287c051b3b5923ec2a1 |
Red Hat Virtual Storage Appliance (from RHUI) 6.1
SRPM | |
---|---|
x86_64 |
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