Bug 813271
| Summary: | intermittent appliance boot failures (divide_error) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Pádraig Brady <pbrady> | ||||||
| Component: | qemu-kvm | Assignee: | Virtualization Maintenance <virt-maint> | ||||||
| Status: | CLOSED WONTFIX | QA Contact: | Virtualization Bugs <virt-bugs> | ||||||
| Severity: | unspecified | Docs Contact: | |||||||
| Priority: | unspecified | ||||||||
| Version: | 6.3 | CC: | acathrow, areis, bsarathy, dyasny, juzhang, leiwang, mkenneth, moli, qguan, qwan, tburke, virt-maint | ||||||
| Target Milestone: | rc | ||||||||
| Target Release: | --- | ||||||||
| Hardware: | Unspecified | ||||||||
| OS: | Unspecified | ||||||||
| Whiteboard: | |||||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||||
| Doc Text: | Story Points: | --- | |||||||
| Clone Of: | |||||||||
| : | 813413 (view as bug list) | Environment: | |||||||
| Last Closed: | 2012-11-26 23:37:30 UTC | Type: | Bug | ||||||
| Regression: | --- | Mount Type: | --- | ||||||
| Documentation: | --- | CRM: | |||||||
| Verified Versions: | Category: | --- | |||||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||||
| Embargoed: | |||||||||
| Bug Depends On: | 813413, 814231, 1005011 | ||||||||
| Bug Blocks: | |||||||||
| Attachments: |
|
||||||||
|
Description
Pádraig Brady
2012-04-17 11:32:36 UTC
Created attachment 578003 [details]
guestmount debug output
Does this fail? while guestfish -a /dev/null run -v > /tmp/fish.out 2>&1 ; do echo -n . ; done (In reply to comment #3) > Does this fail? > > while guestfish -a /dev/null run -v > /tmp/fish.out 2>&1 ; do echo -n . ; done In answer, Pádraig tried it and yes it does fail after a few iterations ("fewer than 6" according to Pádraig). I tried it on 6.2 (but on baremetal) and it ran for hundreds of iterations, so this could be a kernel regression, but I still need to check I can reproduce the issue on 6.3 beta 1 + baremetal. Created attachment 578109 [details]
guestfish messages from failed boot
Seems to only happen in a nested VM, and rather easy to trigger.
libguestfs-tools-c-1.16.18-2.el6.x86_64
qemu-kvm-0.12.1.2-2.272.el6.x86_64
kernel 2.6.32-262.el6.x86_64
Since RHEL 6.3 External Beta has begun, and this bug remains unresolved, it has been rejected as it is not proposed as exception or blocker. Red Hat invites you to ask your support representative to propose this request, if appropriate and relevant, in the next release of Red Hat Enterprise Linux. Still seeing this one with: kernel-2.6.32-309.el6.x86_64 qemu-kvm-0.12.1.2-2.316.el6.x86_64 although it took me 200 iterations to hit it. I'm going to try adding noapic to the command line. Crashes with noapic too, in a different way! As I don't have a way to fix this, or even to reproduce it reliably, and the evidence points to an obscure timing issue within qemu, I'm afraid all I can do is defer this to RHEL 6.5 and reassign it to qemu. Is that important enough not to close it? (In reply to comment #10) > Is that important enough not to close it? +1 I'm closing it, please reopen if you believe it's actually important and can be reproduced in a non-nested environment. |