This bug was fixed in the package linux-riscv - 5.15.0-1007.7
---------------
linux-riscv (5.15.0-1007.7) jammy; urgency=medium
* jammy/linux-riscv: 5.15.0-1007.7 -proposed tracker (LP: #1968740)
* rcu_sched detected stalls on CPUs/tasks (LP: #1967130)
- [Config] Disable VMAP_STACK due to CPU stalls on EFI
* Fix unmatched ASMedia ASM2824 PCIe link training (LP: #1964796)
- PCI: fu740: Force 2.5GT/s for initial device probe
-- Dimitri John Ledkov <dimitri.led...@canonical.com> Tue, 12 Apr 2022
15:44:58 +0100
** Changed in: linux-riscv (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1964796
Title:
Fix unmatched ASMedia ASM2824 PCIe link training
Status in linux-riscv package in Ubuntu:
Fix Released
Bug description:
https://lore.kernel.org/all/alpine.deb.2.21.2202010240190.58...@angie.orcam.me.uk/raw
It has been discovered that Unmatched board ships ASMedia ASM2824 PCIe
which frequently fails to complete link training and negotiate stable
and fast speeds.
To ensure PCIe devices on Unmatched board can operate with stable and
predictable link speeds cherry-pick upstream submitted patch that
resolves the issue.
It is currently applied as a SAUCE patch, whilst the upstream
inclusion review is ongoing.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-riscv/+bug/1964796/+subscriptions
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