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[83.28.46.53]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488a91686f9sm17311875e9.10.2026.04.04.06.24.42 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Sat, 04 Apr 2026 06:24:42 -0700 (PDT) Date: Sat, 4 Apr 2026 15:24:38 +0200 From: Michal Pecio To: Martin Alderson Cc: linux-usb@vger.kernel.org Subject: Re: xhci_hcd: AMD Raphael/Granite Ridge USB 2.0 xHCI [1022:15b8] dies on resume from suspend Message-ID: <20260404152438.582f0451.michal.pecio@gmail.com> In-Reply-To: References: <20260330020749.18fbe433.michal.pecio@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sat, 4 Apr 2026 13:04:02 +0100, Martin Alderson wrote: > Just for clarity this never happened to me with the 6.19 kernel I was > on before (suspend/resumed many times on that kernel with no issues). > It's happened twice now (once with rc5, now with rc6) in a short space > of time. So apparently about once per week. That's not very easy to debug. One trick I have seen people use to accelerate such tests is running "rtcwake -s 5 -m freeze" in a loop. This puts the system in s2idle and resumes automatically after 5 seconds. Do you have more complete dmesg from those failures with timestamps? =46rom suspend up to until everything has calmed down after resume, or also including whatever you have done later to restore operation. > Previously I was on the Fedora 43 default kernel series, now I > switched to the COPR for 7.x (to try and fix something else). Not sure what COPR is, but I gather it went like this: 1. Fedora 6.19 kernel was OK for a long time 2. Some other kernel, possibly other config, 7.0-rc4 still worked, but only used for a short time. What about 7.0-rc1 to -rc3?=20 3. After updating to -rc5 it's definitely broken. > Thanks for the bugzilla, I'll look at some of those workarounds. Particularly, collecting dynamic debug and debugfs could tell if it's the same problem with missing IRQ after resume or something else. Regards, Michal