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Date: Mon, 17 Aug 2020 09:04:34 +0800 From: kernel test robot <rong.a.chen@...el.com> To: Yasushi Asano <yasano@...adit-jv.com> Cc: 0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org, rui.zhang@...el.com, yu.c.chen@...el.com Subject: [USB] 85251960f5: kmsg.usb#-#:Invalid_ep#maxpacket Greeting, FYI, we noticed the following commit (built with gcc-9): commit: 85251960f51165153a99151c090c85351220aab0 ("USB: hub.c: decrease the number of attempts of enumeration scheme") url: https://github.com/0day-ci/linux/commits/UPDATE-20200813-011035/Yasushi-Asano/USB-hub-c-decrease-the-number-of-attempts-of-enumeration-scheme/20200808-144104 in testcase: suspend-stress with following parameters: mode: mem iterations: 10 on test machine: 4 threads Ivy Bridge with 4G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): If you fix the issue, kindly add following tag Reported-by: kernel test robot <rong.a.chen@...el.com> kern :info : [ 69.109673] usb 1-1.3: new high-speed USB device number 14 using ehci-pci kern :info : [ 69.112670] usb 2-1.5: new full-speed USB device number 11 using ehci-pci kern :err : [ 69.114646] usb 2-1.5: Invalid ep0 maxpacket: 0 kern :info : [ 69.181755] usb 2-1.5: new full-speed USB device number 12 using ehci-pci kern :err : [ 69.183234] usb 2-1.5: Invalid ep0 maxpacket: 0 kern :info : [ 69.186746] usb 2-1-port5: attempt power cycle kern :err : [ 69.273841] usb 1-1.3: Invalid ep0 maxpacket: 0 kern :info : [ 69.341750] usb 1-1.3: new high-speed USB device number 15 using ehci-pci kern :err : [ 69.346911] usb 1-1.3: Invalid ep0 maxpacket: 0 kern :info : [ 69.350748] usb 1-1-port3: attempt power cycle kern :info : [ 69.764750] usb 2-1.5: new full-speed USB device number 13 using ehci-pci kern :info : [ 69.932768] usb 1-1.3: new high-speed USB device number 16 using ehci-pci kern :info : [ 69.993350] usb 2-1.5: New USB device found, idVendor=08ff, idProduct=168b, bcdDevice=25.01 kern :info : [ 69.994512] usb 2-1.5: New USB device strings: Mfr=0, Product=1, SerialNumber=0 kern :info : [ 69.995625] usb 2-1.5: Product: Fingerprint Sensor kern :info : [ 70.321507] usb 1-1.3: New USB device found, idVendor=1bcf, idProduct=288e, bcdDevice=18.09 kern :info : [ 70.323134] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 kern :info : [ 70.324729] usb 1-1.3: Product: TOSHIBA Web Camera - HD kern :info : [ 70.326186] usb 1-1.3: Manufacturer: C7C7M6A5 To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Thanks, Rong Chen View attachment "config-5.8.0-08221-g85251960f5116" of type "text/plain" (159000 bytes) View attachment "job-script" of type "text/plain" (5066 bytes) Download attachment "kmsg.xz" of type "application/x-xz" (41224 bytes) View attachment "suspend-stress" of type "text/plain" (1984 bytes) View attachment "job.yaml" of type "text/plain" (3969 bytes)
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