Chapter 1. Package Updates
108
• Call trace error when resuming from suspend to disk.
BZ#539521
789
• Add BL2xx and DL7xx to the list of ProLiant systems in
xen/arch/x86/ioport_emulate.c
in
the Xen variants of Red Hat Enterprise Linux 5.
BZ#536677
790
• Mask out extended topology CPUID feature.
BZ#533292
791
On Intel Nehalem (55xx) dom0 hosts, booting Windows 2008 R2 64-bit domU resulted in a hang.
This was caused by incomplete emulation of the CPUID instruction in hvm/xvm support.
Because Xen guests do not need to know about extended topology, this update masks out that
topology to prevent this problem from occurring.
• Fix timedrift on VM with pv_clock enabled.
BZ#531268
792
• Use upstream
kvm_get_tsc_khz()
BZ#531025
793
• Whitespace updates in Xen scheduler.
BZ#529271
794
• Xen panic in msi_msg_read_remap_rte with acpi=off.
BZ#525467
795
• Backport interrupt rate limiting.
BZ#524747
796
• RHEV: SAP SLCS 2.3 fails during install/import in a RHEV-H/KVM guest with PV KVM clock.
BZ#524076
797
• Mask out
xsave
and
osxsave
to prevent boot hang when installing HVM DomU.
BZ#524052
798
Attempting to boot a fully virtualized DomU with rawhide's 2.6.31-14.fc12.x86_64 for installation
hangs almost immediately. A 32-bit HVM booted and installed successfully on a 32-bit host.
This update masks out the
xsave
and
osxsave
bits to prevent this problem from occurring.
• Enable display of the
ida
flag on Xen kernels.
BZ#522846
799
The
ida
flag, which indicates the presence of the Turbo Boost feature, was not seen in the cpuflags
section of
/proc/cpuinfo
on Xen kernels. This occurred on both 32-bit and 64-bit Xen kernels.
This update ensures that this flag is displayed when the Turbo Boost feature is present on Xen
kernels.
• Xen fails to boot on Itanium with > 128GB memory.
BZ#521865
800
A problem was found where attempting to boot a Xen kernel on Itanium systems with more than
128GB of RAM would result in a Xen panic. This problem was traced to a miscalculation of the Xen
heap size.
This update includes support for the
xenheap_megabytes
hypervisor option to address this
problem. For example, if the installed memory exceeds 64GB, it is suggested to set the option to a
value equal to the memory size in gigabytes. For example, on a system with 128GB of memory, the
elilo.conf
file should include the directive:
append="xenheap_megabytes=128 --"
• Fix SRAT check for discontiguous memory.
BZ#519225
801
A problem was found where Xen could ignore valid SRAT tables because it expects completely
contiguous memory ranges, where the sum of the node memory is approximately equal to the
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