XPost: linux.debian.bugs.dist 
 From: carnil@debian.org 
  
 Control: tags -1 + moreinfo 
  
 Hi Andrea, 
  
 On Thu, Sep 18, 2025 at 11:28:29AM +0200, Andrea Palazzi wrote: 
 > Package: src:linux 
 > Version: 6.12.43-1 
 > Severity: normal 
 > X-Debbugs-Cc: debian-amd64@lists.debian.org, palazziandrea@yahoo.it 
 > User: debian-amd64@lists.debian.org 
 > Usertags: amd64 
 > 
 > Dear Maintainer, 
 > 
 >    * What led up to the situation? 
 > 
 > I'm trying to passthrough an USB controller to a QEMU VM to share keyboard 
 and 
 > mouse via a KVM switch, however the controller fails to change power 
 state - 
 > maybe a reset bug? 
 > 
 >    * What exactly did you do (or not do) that was effective (or 
 >      ineffective)? 
 > 
 > After a search I tried to add options vfio-pci ids=1022:14c9 d 
 sable_idle_d3=1 
 > to /etc/modprobe.d/vfio.conf , but that didn't work. 
 > 
 >    * What was the outcome of this action? 
 > 
 > No changes 
 > 
 >    * What outcome did you expect instead? 
 > 
 > I expect the USB controlelr to be passed to the VM. 
 > 
 > Here below is an extract from the kernel logs. 
 > 
 > [  359.632508] xhci_hcd 0000:c1:00.4: remove, state 4 
 > [  359.632516] usb usb2: USB disconnect, device number 1 
 > [  359.632746] xhci_hcd 0000:c1:00.4: USB bus 2 deregistered 
 > [  359.632754] xhci_hcd 0000:c1:00.4: remove, state 1 
 > [  359.632765] usb usb1: USB disconnect, device number 1 
 > [  359.632767] usb 1-1: USB disconnect, device number 2 
 > [  359.632769] usb 1-1.1: USB disconnect, device number 5 
 > [  359.751074] usb 1-1.4: USB disconnect, device number 7 
 > [  360.295060] usb 1-2: USB disconnect, device number 3 
 > [  360.295065] usb 1-2.1: USB disconnect, device number 4 
 > [  360.295068] usb 1-2.1.4: USB disconnect, device number 8 
 > [  360.295071] usb 1-2.1.4.1: USB disconnect, device number 11 
 > [  360.487061] usb 1-2.3: USB disconnect, device number 6 
 > [  360.871059] usb 1-2.4: USB disconnect, device number 9 
 > [  360.967992] xhci_hcd 0000:c1:00.4: USB bus 1 deregistered 
 > [  361.039526] audit: type=1400 audit(1758187296.085:138): 
 apparmor="STATUS" 
 > operation="profile_replace" profile="unconfined" 
 > name="libvirt-c53156d7-6b25-4664-ab2f-322f5c5edf88" pid=8777 
 > comm="apparmor_parser" 
 > [  361.074989] audit: type=1400 audit(1758187296.121:139): 
 apparmor="STATUS" 
 > operation="profile_replace" info="same as current profile, skipping" 
 > profile="unconfined" name="libvirt-c53156d7-6b25-4664-ab2f-322 
 5c5edf88//passt" 
 > pid=8777 comm="apparmor_parser" 
 > [  361.153072] audit: type=1400 audit(1758187296.197:140): 
 apparmor="STATUS" 
 > operation="profile_replace" info="same as current profile, skipping" 
 > profile="unconfined" name="libvirt-c53156d7-6b25-4664-ab2f-322f5c5edf88" 
 > pid=8785 comm="apparmor_parser" 
 > [  361.153588] audit: type=1400 audit(1758187296.197:141): 
 apparmor="STATUS" 
 > operation="profile_replace" info="same as current profile, skipping" 
 > profile="unconfined" name="libvirt-c53156d7-6b25-4664-ab2f-322 
 5c5edf88//passt" 
 > pid=8785 comm="apparmor_parser" 
 > [  361.322658] tun: Universal TUN/TAP device driver, 1.6 
 > [  361.323435] br0: port 2(vnet0) entered blocking state 
 > [  361.323439] br0: port 2(vnet0) entered disabled state 
 > [  361.323448] vnet0: entered allmulticast mode 
 > [  361.323490] vnet0: entered promiscuous mode 
 > [  361.323704] br0: port 2(vnet0) entered blocking state 
 > [  361.323707] br0: port 2(vnet0) entered forwarding state 
 > [  361.717045] mmap kvmfr0: 7f0717ffe000-7f071fffe000 with size 134217728 
 > offset 0 
 > [  368.107426] vfio-pci 0000:43:00.0: enabling device (0002 -> 0003) 
 > [  368.110005] vfio-pci 0000:43:00.1: enabling device (0000 -> 0002) 
 > [  369.366004] vfio-pci 0000:c1:00.4: not ready 1023ms after FLR; waiting 
 > [  370.421951] vfio-pci 0000:c1:00.4: not ready 2047ms after FLR; waiting 
 > [  372.721838] vfio-pci 0000:c1:00.4: not ready 4095ms after FLR; waiting 
 > [  377.077617] vfio-pci 0000:c1:00.4: not ready 8191ms after FLR; waiting 
 > [  385.525207] vfio-pci 0000:c1:00.4: not ready 16383ms after FLR; waiting 
 > [  402.160360] vfio-pci 0000:c1:00.4: not ready 32767ms after FLR; waiting 
 > [  436.978490] vfio-pci 0000:c1:00.4: not ready 65535ms after FLR; giving 
 up 
 > [  438.018660] br0: port 2(vnet0) entered disabled state 
 > [  438.018942] vnet0 (unregistering): left allmulticast mode 
 > [  438.018946] vnet0 (unregistering): left promiscuous mode 
 > [  438.018950] br0: port 2(vnet0) entered disabled state 
 > [  441.363433] kauditd_printk_skb: 4 callbacks suppressed 
 > [  441.363437] audit: type=1400 audit(1758187376.413:146): 
 apparmor="STATUS" 
 > operation="profile_remove" profile="unconfined" 
 > name="libvirt-c53156d7-6b25-4664-ab2f-322f5c5edf88" pid=9119 
 > comm="apparmor_parser" 
 > [  441.369034] xhci_hcd 0000:c1:00.4: Unable to change power state from 
 D3cold 
 > to D0, device inaccessible 
 > [  441.369157] xhci_hcd 0000:c1:00.4: xHCI Host Controller 
 > [  441.369163] xhci_hcd 0000:c1:00.4: new USB bus registered, assigned bus 
 > number 1 
 > [  441.369170] xhci_hcd 0000:c1:00.4: Host halt failed, -19 
 > [  441.369171] xhci_hcd 0000:c1:00.4: can't setup: -19 
 > [  441.369174] xhci_hcd 0000:c1:00.4: USB bus 1 deregistered 
 > [  441.369202] xhci_hcd 0000:c1:00.4: init 0000:c1:00.4 fail, -19 
 > 
 > 
 > -- Package-specific info: 
 > ** Version: 
 > Linux version 6.12.43+deb13-amd64 (debian-kernel@lists.debian.org) 
 (x86_64-linux-gnu-gcc-14 (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for 
 Debian) 2.44) #1 SMP PREEMPT_DYNAMIC Debian 6.12.43-1 (2025-08-27) 
 > 
 > ** Command line: 
 > BOOT_IMAGE=/vmlinuz-6.12.43+deb13-amd64 root=ZFS=/ROOT/debian ro 
 root=ZFS=rpool/ROOT/debian quiet amd_iommu=on iommu=pt kvm_amd.npt=1 
 kvm_amd.avic=1 vfio_pci.ids=1002:73df,1002:73ff,1002:ab28 nofb 
 video=efifb:off 
 video=vesafb:off video=simplefb:off 
 amdgpu.ppfeaturemask=0xffffffff 
 > 
 > ** Tainted: POE (12289) 
 >  * proprietary module was loaded 
 >  * externally-built ("out-of-tree") module was loaded 
 >  * unsigned module was loaded 
  
 We noticed that you have OOT modules loaded. 
  
  
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