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On Monday, 8 June 2020 16:32:07 BST Andrew Udvare wrote: |
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> Sounds like missing drivers. oldconfig didn't do everything it was |
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> supposed to. Moving across multiple major versions, this is to be |
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> expected. A lot of names of things have changed. |
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> |
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> Do a comparison of your configuration between old and new. |
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> |
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> diff -uN old-config-file /usr/src/linux/.config |
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Hmm. 4570 lines, but much of it can be discounted. |
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> Make sure to at least enable NVME with CONFIG_BLK_DEV_NVME=y and try |
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> booting 5.7 again. |
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Yes, they were both set already - I couldn't have booted 5.4.38 without them. |
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> Other than that, the naming scheme may have changed but I don't know about |
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> this. For better future-proofing, use a UUID of your root partition rather |
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> than a device name. |
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> |
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> root=UUID=... |
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> |
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> You can get this UUID with the blkid command. |
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I'll try this in a minute - thanks for the idea. I've stuck with device names |
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so far because (i) I can read them, and (ii) I can't ever have more than one |
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NVMe device in this box. |
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-- |
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Regards, |
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Peter. |
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