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From:   Tom Fitzhenry <tom@tom-fitzhenry.me.uk>
To:     vincenzopalazzodev@gmail.com
Cc:     bhelgaas@google.com, broonie@kernel.org, heiko@sntech.de,
        kw@linux.com, lgirdwood@gmail.com,
        linux-arm-kernel@lists.infradead.org,
        linux-kernel-mentees@lists.linuxfoundation.org,
        linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
        linux-rockchip@lists.infradead.org, lpieralisi@kernel.org,
        robh@kernel.org, shawn.lin@rock-chips.com,
        skhan@linuxfoundation.org, strit@manjaro.org
Subject: Re: [PATCH v1] drivers: pci: introduce configurable delay for
 Rockchip PCIe bus scan
In-Reply-To: <20230509153912.515218-1-vincenzopalazzodev@gmail.com>
Date:   Mon, 20 Nov 2023 15:15:30 +1100
Message-ID: <87a5r983ea.fsf@tom-fitzhenry.me.uk>
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My RockPro64 occasionally failed on boot with this crash dump, at least
since Linux 5.15. Since Linux 6.5, every boot fails in this manner.

I applied a similar patch[0] against Linux 6.6 that sleeps during probe,
and I'm now able to boot successfully each time.

0. https://gitlab.manjaro.org/manjaro-arm/packages/core/linux/-/blob/44e81d83b7e002e9955ac3c54e276218dc9ac76d/1005-rk3399-rp64-pcie-Reimplement-rockchip-PCIe-bus-scan-delay.patch