** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1998224
Title:
pcie hotplug not working in linux-generic-hwe-18.04 5.4.0.107.121~18
Status in linux package in Ubuntu:
Invalid
Bug description:
situation: ubuntu 18.04 server install on a supermicro x64 host.
hot plug NVME ssd into NVME U.2 HotSwap Slot.
problem: hot plug does not work/ nvme is not recognised.
how to test:
echo 1 > /sys/bus/pci/rescan
dmesg output:
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: bridge window [io
0x1000-0x0fff] to [bus 41] add_size 1000
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: bridge window [io
0x1000-0x0fff] to [bus 42] add_size 1000
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: BAR 13: no space for [io
size 0x1000]
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: BAR 13: failed to assign
[io size 0x1000]
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: BAR 13: no space for [io
size 0x1000]
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: BAR 13: failed to assign
[io size 0x1000]
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: BAR 13: no space for [io
size 0x1000]
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.2: BAR 13: failed to assign
[io size 0x1000]
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: BAR 13: no space for [io
size 0x1000]
[Mon Nov 28 15:46:33 2022] pcieport 0000:40:01.1: BAR 13: failed to assign
[io size 0x1000]
Kernel Version:
5.4.0-107-generic #121~18.04.1-Ubuntu SMP Thu Mar 24 17:21:33 UTC 2022
x86_64 x86_64 x86_64 GNU/Linux
hardware information: tried with micron and intel NVME, e.g:
INTEL SSDPE2KE016T8
after a reboot, the NVME is recognized, so there is no hardware
problem.
if you need additional debug information, feel free to ask.
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