Public bug reported:
A performance regression has been reported when running fio against two
NVMe devices under the same pci bridge (dual port NVMe).
The performance regression was introduced in the 6.10 upstream kernel
and is still present in 6.16.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Oracular)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Plucky)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Questing)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Plucky)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Questing)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Oracular)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2115738
Title:
I/O performance regression on NVMes under same bridge (dual port nvme)
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