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[79.185.222.238]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-54c1e65d51bsm615025e87.186.2025.04.04.23.43.10 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Fri, 04 Apr 2025 23:43:12 -0700 (PDT) Date: Sat, 5 Apr 2025 08:43:07 +0200 From: =?UTF-8?B?TWljaGHFgg==?= Pecio To: Paul Menzel Cc: Mathias Nyman , Greg Kroah-Hartman , linux-usb@vger.kernel.org, LKML Subject: Re: xhci: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. Message-ID: <20250405084307.4080edf4@foxbook> In-Reply-To: References: 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: 7bit Hi, On Thu, 3 Apr 2025 20:02:05 +0200, Paul Menzel wrote: > Just a heads-up, that connecting an LMP USB-C mini Dock [1] to the > Intel Kaby Lake Dell XPS 13 9360 with > > 00:14.0 USB controller [0c03]: Intel Corporation Sunrise > Point-LP USB 3.0 xHCI Controller [8086:9d2f] (rev 21) This is not the USB bus generating that noise. And the problem appears to be that some USB device gets reset periodically, probably /dev/sda, whatever it is. This reset loop is also visible in your new log today. The warning appears to be connected to that, and the suspend problem may also be if some mutex stays locked for more than 20s as a result. Could you check: 1. what exact USB device is getting reset? 2. is it reproducible on master? (seems so) 3. is it reproducible on 6.14, 6.13, ... > [ 74.898485] usb 4-1.4: reset SuperSpeed USB device number 5 using > xhci_hcd > [ 74.916241] sd 0:0:0:0: [sda] Media removed, stopped polling > [ 74.916634] sd 0:0:0:0: [sda] Attached SCSI removable disk > [ 98.803081] PM: suspend entry (deep) > [ 98.813999] Filesystems sync: 0.010 seconds > [ 98.819226] Freezing user space processes > [ 105.534176] xhci_hcd 0000:39:00.0: WARN Set TR Deq Ptr cmd failed > due to incorrect slot or ep state. > [ 105.606437] usb 4-1.4: reset SuperSpeed USB device number 5 using > xhci_hcd > [ 118.822270] Freezing user space processes failed after 20.003 > seconds (2 tasks refusing to freeze, wq_busy=0): > [ 118.822281] task:systemd-journal state:D stack:0 pid:474 > tgid:474 ppid:1 task_flags:0x400100 flags:0x00000006 > [ 118.822285] Call Trace: > [ 118.822287] > [ 118.822291] __schedule+0x537/0xbb0 > [ 118.822297] schedule+0x27/0xd0 > [ 118.822300] schedule_preempt_disabled+0x15/0x20 > [ 118.822302] __mutex_lock.constprop.0+0x4b4/0x890 > [ 118.822306] uevent_show+0x99/0x150 > [ 118.822309] dev_attr_show+0x19/0x40 > [ 118.822312] sysfs_kf_seq_show+0xcd/0x110 > [ 118.822315] seq_read_iter+0x116/0x400 > [ 118.822318] vfs_read+0x299/0x360 > [ 118.822321] ksys_read+0x6b/0xe0 > [ 118.822323] do_syscall_64+0x82/0x9b0 > [ 118.822327] ? arch_exit_to_user_mode_prepare.isra.0+0x16/0x90 > [ 118.822331] ? syscall_exit_to_user_mode+0x37/0x1a0 > [ 118.822333] ? do_syscall_64+0x8e/0x9b0 > [ 118.822336] ? __memcg_slab_free_hook+0xf9/0x140 > [ 118.822339] ? __x64_sys_close+0x3d/0x80 > [ 118.822341] ? kmem_cache_free+0x236/0x460 > [ 118.822344] ? arch_exit_to_user_mode_prepare.isra.0+0x16/0x90 > [ 118.822346] ? syscall_exit_to_user_mode+0x37/0x1a0 > [ 118.822348] ? do_syscall_64+0x8e/0x9b0Dez 21 10:22:08 abreu