View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0008086 | Cloud | General | public | 2024-10-18 13:26 | 2024-10-18 13:38 |
| Reporter | John O'Brien | Assigned To | |||
| Priority | normal | Severity | major | Reproducibility | always |
| Status | new | Resolution | open | ||
| Platform | EC2 | OS | Rocky | OS Version | 9.4 aarch64 |
| Summary | 0008086: EC2 instance bricked after updating kernel to 5.14.0-427.40.1 | ||||
| Description | An AWS EC2 instance of Rocky 9.4 on aarch64 becomes unresponsive on next boot after updating the kernel packages to 5.14.0-427.40.1. | ||||
| Steps To Reproduce | 1. In us-east-2, launch AMI ID ami-018925a289077b035 ("Rocky-9-EC2-Base-9.4-20240509.0.aarch64") on a t4g.medium instance 2. Observe that the initial kernel version is 5.14.0-427.13.1 3. Run `dnf update -y` and confirm that the kernel is updated to 5.14.0-427.40.1 (or later, presumably) 4. Reboot the instance 5. Instance is bricked | ||||
| Additional Information | During the update, the kernel-core scriptlet emits this error: dracut-install: Failed to find module 'xen_netfront' dracut: FAILED: /usr/lib/dracut/dracut-install -D /var/tmp/dracut.NZeuPh/initramfs --kerneldir /lib/modules/5.14.0-427.40.1.el9_4.aarch64/ -m xen_netfront xen-blkfront dracut-install: Failed to find module 'xen_netfront' dracut: FAILED: /usr/lib/dracut/dracut-install -D /var/tmp/dracut.Tk4Tzu/initramfs --kerneldir /lib/modules/5.14.0-427.40.1.el9_4.aarch64/ -m xen_netfront xen-blkfront The xen-netfront and xen-blkfront modules are not present on aarch64 as confirmed by searching in /lib/modules and inspecting the output of `lsinitrd` on a newly-launched instance. Deleting /etc/dracut.conf.d/xen.conf prior to updating the kernel makes the error go away but does not prevent the instance from becoming bricked. To avoid the problem, run the following before upgrading the kernel. sudo dnf install -y python3-dnf-plugin-versionlock sudo dnf versionlock kernel kernel-core kernel-modules kernel-modules-core | ||||
| Tags | No tags attached. | ||||
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2024-10-18 13:26 | John O'Brien | New Issue | |
| 2024-10-18 13:38 | John O'Brien | Note Added: 0008515 |
