[Pkg-libvirt-maintainers] Bug#757609: Bug#757609: libvirtd internal error: Unable to parse /proc/meminfo

[Guido Günther]

On Sat, Aug 09, 2014 at 06:50:56PM +0000, Jamie Heilman wrote:
> Package: libvirt-daemon
> Version: 1.2.7-6
> Severity: grave
> 
> The parsing of /proc/meminfo in the latest versions of the libvirt
> packages is flawed.  Please remove it until upstream figures out what
> they're doing.
> 
> There have been reports of the parsing failing when running under Xen,
> but it fails in in other scenarios too; In my case Linux 3.16 (I
> tested 3.15.8 too) with:
> 
> [2]cucamonga<~/>grep -i huge /boot/config-3.1*
> /boot/config-3.15.8:CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y
> /boot/config-3.15.8:CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
> /boot/config-3.15.8:CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
> /boot/config-3.15.8:CONFIG_TRANSPARENT_HUGEPAGE=y
> /boot/config-3.15.8:CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
> /boot/config-3.15.8:# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
> /boot/config-3.15.8:# CONFIG_HUGETLBFS is not set
> /boot/config-3.15.8:# CONFIG_HUGETLB_PAGE is not set
> /boot/config-3.16.0:CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y
> /boot/config-3.16.0:CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
> /boot/config-3.16.0:CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
> /boot/config-3.16.0:CONFIG_TRANSPARENT_HUGEPAGE=y
> /boot/config-3.16.0:CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
> /boot/config-3.16.0:# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
> /boot/config-3.16.0:# CONFIG_HUGETLBFS is not set
> /boot/config-3.16.0:# CONFIG_HUGETLB_PAGE is not set
> 
> In any case, /proc/meminfo does not always have the items libvirtd
> assumes it does, and handles that failure poorly.
> 
> 2014-08-09 18:32:30.722+0000: 3589: info : libvirt version: 1.2.7, package: 6 (root 2014-08-08-16:09:22 bogon)
> 2014-08-09 18:32:30.722+0000: 3589: error : virAuditOpen:62 : Unable to initialize audit layer: Protocol not supported
> 2014-08-09 18:32:31.720+0000: 3712: error : virFileGetDefaultHugepageSize:2958 : internal error: Unable to parse /proc/meminfo
> 2014-08-09 18:32:31.720+0000: 3712: error : virStateInitialize:749 : Initialization of QEMU state driver failed: internal error: Unable to parse /proc/meminfo
> 2014-08-09 18:32:31.720+0000: 3712: error : daemonRunStateInit:922 : Driver state initialization failed
> 
> Reverting to libvirt-bin 1.2.4 allows libvirtd to work again.

Please attach your /proc/meminfo as well. 
 -- Guido