Red Hat ENTERPRISE LINUX 5.5 - TECHNICAL NOTES Manual page 134

Chapter 1. Package Updates
A problem was found where the kernel would sometimes go into a soft lockup for 10s
at .context_struct_compute_av+0x214/0x39c. This update changes the way transition checks are
performed in order to avoid this problem.
1.88.7.1.12. Miscellaneous Updates
• power_meter: Avoid OOPS on driver load.
• hvc_iucv: Allocate IUCV send/receive buffers in DMA zone.
• f71805f: Fix sio_data to platform_device_add_data().
• Fix 32-bit Machine Check Exception Handler.
• Fix APIC and TSC reads for guests.
• zcrypt: Do not remove coprocessor in case of error 8/72.
• smsc47m1: Fix data to platform_device_add_data().
• it87: Fix sio_data to platform_device_add_data().
• w83627hf: Fix data to platform_device_add_data().
• Power Now driver: fix crash on AMD family 0x11 processors.
• EDAC driver fix for non-MMCONFIG systems.
• khungtaskd not stopped during suspend.
• Do not evaluate WARN_ON condition twice.
• Fix NULL pointer panic in acpi_run_os.
• Implement public pci_ioremap_bar function.
• Fix PTRACE_KILL hanging in 100% CPU loop.
• Fix compile warnings in eeh code.
This update was necessary to address a compile problem in PowerPC introduced by a change in
the PCI AER code.
• [infiniband] Fix bitmask handling from QP control block.
• [infiniband] Fix issue with sleep in interrupt ehca handler.
• [infiniband] Rewrite SG handling for RDMA logic.
After dma-mapping an SG list provided by the SCSI midlayer, iser must ensure the mapped SG is
"aligned for RDMA", in the sense that it is possible to produce one mapping in the HCA IOMMU
which represents the whole SG. Next, the mapped SG is formatted for registration with the HCA.
This update provides the necessary rewrites to achieve the above.
• [infiniband] init neigh->dgid.raw on bonding events.
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