Created attachment 305865 [details] Linux 5.15.112 messages (output of `dmesg`) with system firmware 2.12.2 On the Dell PowerEdge T440 with at least system firmware version , Linux warns: $ dmesg | grep "may be unreliable" [ 12.130289] usb: port power management may be unreliable $ dmesg | grep -e "DMI:" -e "Linux version" -e microcode [ 0.000000] Linux version 5.15.112.mx64.449 (root@theinternet.molgen.mpg.de) (gcc (GCC) 10.4.0, GNU ld (GNU Binutils) 2.40) #1 SMP Tue May 23 12:51:43 CEST 2023 [ 0.000000] DMI: Dell Inc. PowerEdge T440/021KCD, BIOS 2.12.2 07/09/2021 [ 2.185611] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 12.269955] microcode: sig=0x50657, pf=0x80, revision=0x5003103 [ 12.276243] 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=05.15 S: Manufacturer=Linux 5.15.112.mx64.449 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=13 Cnt=01 Dev#= 2 Spd=480 MxCh= 4 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1604 ProdID=10c0 Rev=00.00 C: #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA I: If#=0x0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#= 3 Spd=480 MxCh= 4 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1604 ProdID=10c0 Rev=00.00 C: #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA I: If#=0x0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=01 Lev=02 Prnt=02 Port=03 Cnt=02 Dev#= 4 Spd=480 MxCh= 4 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1604 ProdID=10c0 Rev=00.00 C: #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=100mA I: If#=0x0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=5000 MxCh=10 D: Ver= 3.00 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1 P: Vendor=1d6b ProdID=0003 Rev=05.15 S: Manufacturer=Linux 5.15.112.mx64.449 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
Created attachment 305866 [details] Output of `acpidump` with system firmware 2.12.2
Can you please stop spamming bugzilla? Thank you. Also, does this message affect you in any shape or form?
*** Bug 218486 has been marked as a duplicate of this bug. ***
*** Bug 218487 has been marked as a duplicate of this bug. ***
*** Bug 218488 has been marked as a duplicate of this bug. ***
*** Bug 218465 has been marked as a duplicate of this bug. ***
Created attachment 305908 [details] Linux 6.8-rc6+ messages with v2 patches (output of `dmesg`) with `usbcore.dyndbg=+p` and with system firmware 2.12.2 Testing Linux 6.8-rc6 with the two USB patches the warning is gone. 1. https://lore.kernel.org/all/20240220135946.4028553-1-mathias.nyman@linux.intel.com/ 2. https://lore.kernel.org/all/20240220135946.4028553-2-mathias.nyman@linux.intel.com/