https://bugzilla.kernel.org/show_bug.cgi?id=218487 Bug ID: 218487 Summary: Linux warning `usb: port power management may be unreliable` on Dell OptiPlex 5055 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 305861 --> https://bugzilla.kernel.org/attachment.cgi?id=305861&action=edit Linux 6.6.12 messages (output of `dmesg`) with system firmware 1.1.50 On the Dell OptiPlex 5055 with at least system firmware version 1.1.50, Linux 6.6.12 warns: $ dmesg | grep "be unreliable" [ 3.289270] usb: port power management may be unreliable $ dmesg | grep -e "DMI:" -e "Linux version" -e microcode [ 0.000000] Linux version 6.6.12.mx64.461 (root@xxxxxxxxxxxxxxxxxxxxxxxxx) (gcc (GCC) 12.3.0, GNU ld (GNU Binutils) 2.41) #1 SMP PREEMPT_DYNAMIC Thu Jan 18 10:47:08 CET 2024 [ 0.000000] DMI: Dell Inc. OptiPlex 5055 Ryzen CPU/0P03DX, BIOS 1.1.50 07/28/2021 [ 3.488086] microcode: CPU0: patch_level=0x08001137 [ 3.488088] microcode: CPU2: patch_level=0x08001137 [ 3.488088] microcode: CPU3: patch_level=0x08001137 [ 3.488091] microcode: CPU1: patch_level=0x08001137 [ 3.488094] microcode: CPU6: patch_level=0x08001137 [ 3.488094] microcode: CPU5: patch_level=0x08001137 [ 3.488095] microcode: CPU7: patch_level=0x08001137 [ 3.530149] microcode: CPU4: patch_level=0x08001137 [ 3.530171] microcode: Microcode Update Driver: v2.2. $ usb-devices T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh=10 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=06.06 S: Manufacturer=Linux 6.6.12.mx64.461 xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:01:00.0 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=09 Cnt=01 Dev#= 3 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=01.08 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=06 Cnt=02 Dev#= 2 Spd=1.5 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=046d ProdID=c077 Rev=72.00 S: Manufacturer=Logitech S: Product=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=10000 MxCh= 4 D: Ver= 3.10 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1 P: Vendor=1d6b ProdID=0003 Rev=06.06 S: Manufacturer=Linux 6.6.12.mx64.461 xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:01:00.0 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=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 4 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=06.06 S: Manufacturer=Linux 6.6.12.mx64.461 xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:05:00.3 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=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=5000 MxCh= 4 D: Ver= 3.00 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1 P: Vendor=1d6b ProdID=0003 Rev=06.06 S: Manufacturer=Linux 6.6.12.mx64.461 xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:05:00.3 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.