Do you have messages like this in the kernel boot log?
[ 2.072227] nvme nvme1: ignoring ctrl due to duplicate subnqn
(nqn.2017-12.org.nvmexpress:uuid:11111111-2222-3333-4444-555555555555).
[ 2.072231] nvme nvme1: Removing after probe failure status: -22
It looks like since 5.2 (1b1031ca63b2ce1d3b664b35b77ec94e458693e9) the
message might have changed to be:
"Duplicate cntlid %u with %s, rejecting\n"
If you can't see either of these can you include any messages matching
nvme. If it is the same issue then you can try building your kernel
with a NVME_QUIRK_IGNORE_DEV_SUBNQN quirk added for your device in
drivers/nvme/host/pci.c. I see that in the current HEAD of the kernel
tree these AData devices already have this quirk:
{ PCI_DEVICE(0x10ec, 0x5762), /* ADATA SX6000LNP */
.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
{ PCI_DEVICE(0x1cc1, 0x8201), /* ADATA SX8200PNP 512GB */
.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
NVME_QUIRK_IGNORE_DEV_SUBNQN, },
so it might be a simple backport.
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https://bugs.launchpad.net/bugs/1803692
Title:
bionic 4.15 nvme regression from trusty 4.4 with two identical devices
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