https://bugzilla.kernel.org/show_bug.cgi?id=218488 Bug ID: 218488 Summary: Linux warning `usb: port power management may be unreliable` on OptiPlex Small Form Factor Plus 7010 Product: Drivers Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: normal Priority: P3 Component: USB Assignee: drivers_usb@xxxxxxxxxxxxxxxxxxxxxx Reporter: pmenzel+bugzilla.kernel.org@xxxxxxxxxxxxx Regression: No Created attachment 305863 --> https://bugzilla.kernel.org/attachment.cgi?id=305863&action=edit Linux 6.1.53 messages (output of `dmesg`) with system firmware 1.7.1 On the Dell OptiPlex Small Form Factor Plus 7010 with at least system firmware version 1.7.1, Linux warns: $ dmesg | grep "may be unreliable" [ 3.755446] usb: port power management may be unreliable $ dmesg | grep -e "DMI:" -e "Linux version" -e microcode [ 0.000000] Linux version 6.1.53.mx64.458 (root@xxxxxxxxxxxxxxxxxxxxxx) (gcc (GCC) 10.4.0, GNU ld (GNU Binutils) 2.41) #1 SMP PREEMPT_DYNAMIC Thu Sep 14 09:08:44 CEST 2023 [ 0.000000] DMI: Dell Inc. OptiPlex SFF Plus 7010/0YGWFV, BIOS 1.7.1 08/11/2023 [ 3.882879] microcode: sig=0xb06f2, pf=0x2, revision=0x2c [ 3.889116] microcode: Microcode Update Driver: v2.2. $ usb-devices T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh=16 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=06.01 S: Manufacturer=Linux 6.1.53.mx64.458 xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:00:14.0 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#=0x0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=01 Lev=01 Prnt=01 Port=07 Cnt=01 Dev#= 2 Spd=1.5 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=413c ProdID=2113 Rev=01.10 S: Product=Dell KB216 Wired Keyboard C: #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=100mA I: If#=0x0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=01 Driver=usbhid I: If#=0x1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid T: Bus=01 Lev=01 Prnt=01 Port=08 Cnt=02 Dev#= 3 Spd=1.5 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=413c ProdID=301a Rev=01.00 S: Manufacturer=PixArt S: Product=Dell MS116 USB Optical Mouse C: #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA I: If#=0x0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=usbhid T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=20000 MxCh= 9 D: Ver= 3.10 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1 P: Vendor=1d6b ProdID=0003 Rev=06.01 S: Manufacturer=Linux 6.1.53.mx64.458 xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:00:14.0 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#=0x0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.