The 4.4 kernel is now available and shows no issues.
** Changed in: xen (Ubuntu Xenial)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1538049
Title:
xenstore crashes with SIGBUS in domain_can_read()
Status in xen package in Ubuntu:
Fix Released
Status in xen source package in Xenial:
Fix Released
Bug description:
Problem got introduced by xen-4.6 in Xenial. Older versions are
unaffected.
Testcase:
- Start one additional domU (PV or HVM does not matter)
- Repeatedly execute "xenstore-ls"
Eventually the xenstore-ls call locks up while xenstored crashes when
it tries to access memory in
tools/xenstore/xenstored_domain.c:255 domain_can_read(struct
connection *conn)
Debugging shows that conn->domain->interface at the time of crash
returns a completely different address than before (there should only
be one per running domain, so 2).
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