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[79.185.228.181]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5dcf1b7ade9sm7744166a12.25.2025.02.10.03.45.54 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Mon, 10 Feb 2025 03:45:55 -0800 (PST) Date: Mon, 10 Feb 2025 12:45:51 +0100 From: =?UTF-8?B?TWljaGHFgg==?= Pecio To: pmenzel@molgen.mpg.de Cc: anna-maria@linutronix.de, frederic@kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de Subject: Re: NOHZ tick-stop error: local softirq work is pending, handler #08!!! on Dell XPS 13 9360 Message-ID: <20250210124551.3687ae51@foxbook> In-Reply-To: <9d056e62-4e58-40d5-9401-40d3c20c2389@molgen.mpg.de> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Hi, >>>>>>> On Dell XPS 13 9360/0596KF, BIOS 2.21.0 06/02/2022, with Linux >>>>>>> 6.9-rc2+ > Just for the record, I am still seeing this with 6.14.0-rc1 Is this a regression? If so, which versions were not affected? How hard to reproduce? Wasn't it during resume from hibernation? IRQ isuses may be a red herring, this code here is a busy wait under spinlock. There are a few of those, they cause various problems. if (xhci_handshake(&xhci->op_regs->status, STS_RESTORE, 0, 100 * 1000)) { xhci_warn(xhci, "WARN: xHC restore state timeout\n"); spin_unlock_irq(&xhci->lock); return -ETIMEDOUT; } This thing timing out may be close to the root cause of everything. Regards, Michal