I can confirm this problem. Please see the attached screenshot for my stacktrace. As you mentioned, the problem is related to early_efi_write. After triggering this bug a couple of times, the BIOS stopped booting mentioning invalid EFI variables. My machine has a bios and no uefi. Later on, I updated my bios and now, I am not so keen on triggering this bug again. I also managed to trigger this bug without wireshark running. I am not sure, did you trigger this problem with wifi or ethernet? I used ethernet but wifi was enabled and connected at that time. best regards raphael
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