Public bug reported:
http://lists.gnu.org/archive/html/qemu-devel/2012-01/msg02053.html
Upstream QEMU commit: eed968607d656a218712df47a5e0432c21fd6994
hw/9pfs: Remove O_NOATIME flag from 9pfs open() calls in readonly mode
When a 9p filesystem is exported with the readonly flag, QEMU adds the
O_NOATIME flag to all accesses. This causes all reads to fail when qemu
is run as non-root and the runas user doesn't own the files being
accessed. The patch is a one-liner; please add it to the distribution
patches.
** Affects: qemu-kvm (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1091430
Title:
9p fails with readonly+non-root due to O_NOATIME
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