block probing crashed with TimeoutError

Ubuntu Jammy canary ISO LIVE test on
- dell [optiplex] 755 (c2d-e6850, 5gb, amd/ati radeon rv516/x1300/x1550)

Sorry I have limited details to provide.

Problem detected message appeared; so I opened terminal & explored /var/crash and have submitted the `ubuntu-bug` report from there.

If I can provide more details; I'll happily re-run test whilst I have this daily, or test using newer dailies.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: subiquity (unknown)
ProcVersionSignature: Ubuntu 5.15.0-18.18-generic 5.15.12
Uname: Linux 5.15.0-18-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu78
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.465+canary3.3
CrashDB:
 {
        "impl": "launchpad",
        "project": "subiquity",
        "bug_pattern_url": "http://people.canonical.com/~ubuntu-archive/bugpatterns/bugpatterns.xml"
     }
Date: Mon Mar 7 23:58:29 2022
ExecutablePath: /snap/ubuntu-desktop-installer/313/bin/subiquity/subiquity/cmd/server.py
InterpreterPath: /snap/ubuntu-desktop-installer/313/usr/bin/python3.8
LiveMediaBuild: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220306)
MachineType: Dell Inc. OptiPlex 755
ProcAttrCurrent: snap.hostname-desktop-installer.subiquity-server (complain)
ProcCmdline: /snap/hostname-desktop-installer/313/usr/bin/python3.8 -m subiquity.cmd.server --autoinstall=
ProcEnviron:
 LANG=C.UTF-8
 PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz layerfs-path=minimal.standard.live.squashfs maybe-ubiquity --- quiet splash
Python3Details: /usr/bin/python3.10, Python 3.10.2, python3-minimal, 3.10.1-0ubuntu1
PythonDetails: N/A
SnapChannel:

SnapRevision: 313
SnapUpdated: False
SnapVersion: 0+git.b49fe8d
SourcePackage: subiquity
Title: block probing crashed with TimeoutError
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/02/2007
dmi.bios.release: 0.0
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 0DR845
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA03:bd10/02/2007:br0.0:svnDellInc.:pnOptiPlex755:pvr:rvnDellInc.:rn0DR845:rvr:cvnDellInc.:ct3:cvr:sku:
dmi.product.name: OptiPlex 755
dmi.sys.vendor: Dell Inc.