[Crash-utility] crash version 4.0-3.19 is available

- Fix for support of paravirtual x86 xendumps that were: 1) created on host machines with greater than 4GB of memory, and 2) the active guest task at crash-time had been assigned a page directory page (cr3) with a machine address greater than 4GB. If both of the above apply, the crash session would fail with one of two error messages, either "crash: cannot read/find cr3 page", or "crash: cannot create xen pfn-to-mfn mapping". (anderson(a)redhat.com) - Fix for the "kmem -p [page-struct-address]" command construct, which would cause a segmentation violation when run on SPARSEMEM kernels. (anderson(a)redhat.com) - Added a new "struct -u" option, which indicates that the subsequent address argument is a user virtual address in the current context. This option could be used, for example, if a known kernel data structure exists at user virtual address in the current context, or if the debuginfo data of a user program were loaded into the crash session via the gdb "add-symbol-file" command. (anderson(a)redhat.com) - Added new "rd -f" and "struct -f" options, which indicate that the subsequent address argument is a dumpfile file offset. These options could be used, for example, to print a known kernel data structure that exists in the dumpfile header, or to simply dump data directly from the dumpfile. (anderson(a)redhat.com) - Cosmetic fix to prevent double-printing of "kmem -p" and "kmem -v" headers when they are passed multiple address arguments. (anderson(a)redhat.com) Download from: http://people.redhat.com/anderson