I set up a second unRAID server recently and today shut it down to add an SSD as a cache drive. On restart I get to the unRAID boot screen, get through /bzroot...ok and then end up (eventually) at an error message reading that bzimage fails its checksum and to press any key to restart. There are several pages of messages leading up to that, but the scroll is too fast to parse anything. I installed originally as 6.9.2 and then updated to the latest release candidate. Ive tried to boot from the USB stick in multiple ports on that server with the same issue, and its completely readable from another computer. Ive copied its contents off just in case. There doesn't seem to be a log or other diagnostic information on the boot USB. If the bzroot executable was corrupted somehow can I simply unpack one from the RC build and copy that over? Any ideas are welcomed, and let me know what diagnostic info I can provide. This server isn't doing anything critical yet, but I do want it back in action. Thanks.

I was able to find a link to the zip and extract over the existing files, with the same result. The same checksum failure also occurred when creating a fresh install of the RC using the Windows USB creator and a new USB stick. I created another fresh install with the stable branch and it seems to be working now. I was able to transfer my license key to the new stick, and most of the Docker/VM configs were still present on boot. It rebooted successfully without intervention a few times with the new stick and stable build, so Im keeping it there instead of moving to the RC for now. If details about the hardware or other diagnostic information would be helpful for diagnosing a potential RC issue, let me know and I’ll collect whatever is needed. Marking as solved.

bzimage checksum error

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Solved by spalmisano

February 3, 20224 yr

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January 25, 20233 yr

I'm also having this problem after trying to update to 6.11.5.

Ditto on the loop0 and bzmodules errors.

I've migrated to a new flash drive, tried the iommu options, etc. Downgrading to 6.9 is the only option that allows me to boot consistently.

edit: 6.10.3 also works.

Edited January 25, 20233 yr by Kuijibo

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bzimage checksum error

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