Red Hat Bugzilla – Bug 215507
Fix time services of EFI emulation
Last modified: 2010-10-22 02:56:24 EDT
Description of problem:
If we shutdown 2xDomU at once.
DomU hungs and causes Dom0 hung
The reason is it is not serialize the time service at previous version.
This patch serializes the execution of following efi.runtimes.
Linux/ia64 uses similar spinlocks in the EFI RTC driver.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1.shutdown 2xdomU at once.
xm shutdown xxx;xm shutdown yyy
DomU shutdown hung and Dom0 hungs.
DomU shutdown successfully and Dom0 works properly.
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release. Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release. This request is not yet committed for
Updating severity=2 to aree with issue tracker.
Per discussion with Prarit and Aron,
> > Status-NEW, patch available
(/xen/arch/ia64/xen/fw_emul.c posted Fri Nov 10 12:03:19 - looks mundane)
Should go in RHEL5.0 before RC.
Aron please ACK for devel; QA please ACK/NAK.
QE ack for RHEL5.
Escalating for RHEL5.0 consideration per Thursday's RHEL5 meeting.
Patch available and all 3 ACKs.
Changing status to ASSIGNED.
...however this patch was included in the patchset submitted in bug 210637, so
I'm setting this bug to depend on that one, instead of treating this as a
Moving this to modified based on comment 6.
A package has been built which should help the problem described in
this bug report. This report is therefore being closed with a resolution
of CURRENTRELEASE. You may reopen this bug report if the solution does
not work for you.