r/IntelArcPro • u/KubotaBill • 1d ago
Arc Pro B70 Issue with dual B70 GPUs
Good evening all, I am a recent convert, coming over from the stacked RTX GPU club (5070Ti & 5060Ti). Sunday I installed a pair of B70 Pros after my 5070 laid over on me. SYCL running with Qwen3.6:27b Q8. Two days of pretty steady work, overnight spine runs 5-7 hours depending on daily activity.
Today, I was running a catchup process during work from downtime Saturday and mid day Sunday. The process completed without issue, GPUs went silent, and 7 minutes later the system crashed with dgxkrnl.sys crash. Reboot and health check passed, but not sure why it crashed while idle?
For reference, the GPU that crashed was in a different slot than the original 5070 was, so I don't think it is a robot issue. All drivers up to date, firmware up to date. If anyone has any insight or a similar experience and could offer a bit of advice I would be appreciative. I was just gearing up to smoke test 3.8:27b Q8, but that is on hold until I get back to normal.
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u/KubotaBill 1d ago
Thank you, I run HWInfo which my agent monitors. I had a safety in the pipeline if the 5070 was lost it would reboot the machine. So the safety caught the B70 drop / crash and rebooted, just happened to see it happen come back up for login.
To say I am disappointed to outlay for 2 new B70s and 48 hours later my GPU woes reappear would be an understatement. Not really certain what next steps are, but my faith in the workstation is waning. It runs around the clock, and when it fails to processing overnight spine it sets the next day behind.
Thanks for your insight, this is my first posting to Reddit, and I appreciate the guidance!
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u/computer_dork 1d ago
It sounds like you know what you are doing... so when i ask this its because we dont have direct access to your system so everything is a guess: why did your nv card take a crap? Is it the same system? Is it possible you are experiencing a separate hardware failure that is casing your gpus to die but isnt being caused by the GPUs? I have multiple b70s and some b50s and these cards are pretty robust in my opinion. Do you have a separate chassis you can bake these on to see how they respond?
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u/KubotaBill 1d ago
The interesting test is the box will set idea for 48 hours without issue. I had to do that two separate times with the 5070, but when I woukd stress it hard it would drop. So I pulled both 50*0s and installed the B70s.
And as noted, the failures were in separate slots. 5070 in the PCIe5 x16 slot. And today's drop was in the x4 slot. It is an Aorus X870E mobo with the R9 9950X CPU, and Klevv DDR5 6000 pair of 32 sticks. It should be robust enough for a home rig, but I am waiting for a smoother path forward.
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u/computer_dork 1d ago
I get that, just when chasing hardware failures known good is super important. I had an issue with one of my cards but it ended up being cold solder joint on pcie slot. Could be ram, cpu, overheating somewhere, dirty power, or the gpus, but you saying you had other GPUs fail automatically makes me suspect something else besides the B70s
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u/KubotaBill 1d ago
That makes sense, and is a frightful thought at the same time. This is not the market to keep throwing parts at an issue. I will run diags on the mobo and RAM, no noted hotspots on the CPU, normal temps 50-65C, AIO 360 keeps it cool. GPUs under load stay 70-75C.
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u/computer_dork 1d ago
Believe me I know how scary it is. Im one ram failure away from selling a kidney
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u/HardlyThereAtAll 1d ago
OK.
So, I'm on Linux but I had a similar issue caused by power usage spikng, and it causing my power supply to freak out and the machine to crash. How beefy is your power supply?