Re: HP 440ar stuck at waiting for root mount: CAM

On Thu, Aug 13, 2026, 9:10 AM Warner Losh <[email protected]> wrote:

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>
> On Thu, Aug 13, 2026, 8:25 AM Edward Scroop <[email protected]>
> wrote:
>
>> I am currently running opnsense on hp dl360 g9 with hp 440ar. I have the
>> latest bios and firmwares installed.
>>
>> I am currently running opnsense 26.1 which is 14.3 and i am trying to
>> upgrade to 26.7 with 15.1 but when it reboots it gets stuck at boot with a
>> repeating message of "Root mount waiting for: CAM".
>> I can rollback to the old zfs snapshot and it will boot normally.
>>
>
> Either umass or ciss0 never finishes its initial scan. There are usb
> errors on the newer boot, but not the older. That may be the issue, maybe
> with some error handling not cleaning up enough to release the hold.
>

I have a dtrace script, but it's useless for this. Bisectiong between the
two kernels would be ideal.  Failing that, we are in debug printf
territory. CAM has sone debug that can be enabled, but i don't recall if
it's compiled in by default. What do you feel comfortable with?


Warner
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> I have attached the faulty 26.7 boot logs and the normal 26.1.11 boot logs.
>>
>