[Crash-utility] crash version 4.0-3.21 is available

- Introduced support for upstream xensource ELF format dumpfiles, which will replace the current xendump format in xen 3.0.5. The new xen format uses ELF in a non-standard manner such that memory contents are defined in section headers instead of the traditional manner of using program headers. Testing has been on paravirtualized x86, x86 PAE, x86_64 and ia64 dumpfiles. Fully-virtualized dumpfiles have not been tested. (anderson(a)redhat.com) - A number of "xencrash" (where the session is run against a xen-syms binary) fixes have been applied: 1) "bt" did not switch from the ia64 MCA stack to the vcpu stack. 2) "bt" caused an infinite loop if ar_bspstore contained an illegal value. 3) "bt" shows unnecessary unwind warning message. (ia64) 4) "man log" caused crash to fail with a segmentation violation. 5) "man log" did not have an example. (oda(a)valinux.co.jp) - Fix for "vtop" on x86 PAE kernels, which could abort upon reaching the PTE translation section, showing the error message: "vtop: cannot determine the swap location". (anderson(a)redhat.com) - Fix for "vm -p" or "vtop" on 2.6 x86 PAE kernels, which could show incorrect swap offsets, because the swap type/offset encoding was moved to the high word of the 64-bit PTE. (anderson(a)redhat.com) - Fix for "vm -p" on x86_64 kernels when a PTE referenced a swap location, it would show "(not mapped)" instead of the swap location. (anderson(a)redhat.com) - In current 2.6 kernels, it is now possible to recognize ppc BOOKE processors, which is the current default in crash. If the processor is confirmed to not be BOOKE, then page table translation is done differently. (antipov(a)ru.mvista.com) - Fix for live system analysis of Ubuntu kernels due to a mismatch between /proc/version and the linux_banner string. This was due to an appendage to the linux_banner string in Ubuntu kernels. (asid(a)hp.com) - Fix for 2.6.21 kernels that fail during initialization with the message: "crash: invalid (optional) structure member offsets: zone_struct_free_pages or zone_free_pages". This was due to the removal of the zone struct's "free_pages" member; instead the zone's "vm_stat[NR_FREE_PAGES]" value is used. (anderson(a)redhat.com) Download from: http://people.redhat.com/anderson