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Date:      Fri, 06 Feb 2026 15:33:55 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 293008] Kernel hang on HP ZBook Ultra G1a booting off nvme drive
Message-ID:  <bug-293008-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293008

            Bug ID: 293008
           Summary: Kernel hang on HP ZBook Ultra G1a booting off nvme
                    drive
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: olivier@freebsd.org

Created attachment 267863
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=267863&action=edit
Booting from USB (working)

My laptop could boot a FreeBSD USB stick, and install FreeBSD on the nvme disk
(once booted from the USB stick).
But when booting off the nvme disk after install, it hang.
The full dmesg while booting from USB.
And an (OCR) version of when booting from the nvme and hang (even keyboard
unresponsive) at this step:
usbus0 on xhci0
usbus0: 5.0Gbps Super Speed USB v3.0
pci3: <multimedia> at device 0.5 (no driver attached)
hdac1: <AMD Raven HDA Controller> mem 0xa0440000-0xa0447fff at device 0.6 on
pci3
pcib6: <ACPI PCI-PCI bridge> at device 8.2 on pci0
pci4: <ACPI PCI bus> on pcib6
pcib7: <ACPI PCI-PCI bridge> at device 8.3 on pci0
pci5: <ACPI PCI bus> on pcib7


So, compared to the boot-from usb, it hang just at "pci5" stage displayed, or
while loading the xhci drivers (expected next step).

Notice: Same exact kernel used (current, so with debug/witness).

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