On Wed, Aug 20, 2025 at 09:58:23PM -0000, Michael van Elst wrote: > cme...@cmeerw.org (Christof Meerwald) writes: > > >It's a virtio block device, and I am not seeing any errors on the > >console. And everything starts working again when I enter a username > >on the VNC console (once I get asked for a password). > > >So to me it looks like something gets stuck in the virtio > >communication. > > Yes. On the other hand, I haven't seen the virtio block device > locking up. Is there any other virtio device active? What exactly > is "VNC console" to the guest ?
[ 1.053820] virtio0 at pci0 dev 3 function 0 [ 1.053820] virtio0: network device (id 1, rev. 0x00) [ 1.053820] vioif0 at virtio0: features: 0x31870020<EVENT_IDX,INDIRECT_DESC,NOTIFY_ON_EMPTY,CTRL_MAC,CTRL_RX,CTRL_VQ,STATUS,MAC> [ 1.053820] virtio0: allocated 20480 byte for virtqueue 0 for rx0, size 256 [ 1.053820] virtio0: using 8192 byte (512 entries) indirect descriptors [ 1.053820] virtio0: allocated 20480 byte for virtqueue 1 for tx0, size 256 [ 1.053820] virtio0: using 8192 byte (512 entries) indirect descriptors [ 1.053820] virtio0: allocated 8192 byte for virtqueue 2 for control, size 64 [ 1.053820] virtio0: config interrupting at msix0 vec 0 [ 1.053820] virtio0: queues interrupting at msix0 vec 1 [ 1.053820] virtio1 at pci0 dev 4 function 0 [ 1.053820] virtio1: SCSI device (id 8, rev. 0x00) [ 1.053820] vioscsi0 at virtio1: features: 0x10000000<INDIRECT_DESC> [ 1.053820] virtio1: allocated 86016 byte for virtqueue 0 for control, size 256 [ 1.053820] virtio1: using 73728 byte (4608 entries) indirect descriptors [ 1.053820] virtio1: allocated 86016 byte for virtqueue 1 for event, size 256 [ 1.053820] virtio1: using 73728 byte (4608 entries) indirect descriptors [ 1.053820] virtio1: allocated 86016 byte for virtqueue 2 for request, size 256 [ 1.053820] virtio1: using 73728 byte (4608 entries) indirect descriptors [ 1.053820] virtio1: config interrupting at msix1 vec 0 [ 1.053820] virtio1: queues interrupting at msix1 vec 1 [ 1.053820] virtio2 at pci0 dev 6 function 0 [ 1.053820] virtio2: console device (id 3, rev. 0x00) [ 1.053820] virtio2: autoconfiguration error: no matching child driver; not configured [ 1.053820] virtio3 at pci0 dev 7 function 0 [ 1.053820] virtio3: block device (id 2, rev. 0x00) [ 1.053820] ld0 at virtio3: features: 0x10000a54<INDIRECT_DESC,CONFIG_WCE,FLUSH,BLK_SIZE,GEOMETRY,SEG_MAX> [ 1.053820] virtio3: allocated 1060864 byte for virtqueue 0 for I/O request, size 256 [ 1.053820] virtio3: using 1048576 byte (65536 entries) indirect descriptors [ 1.053820] virtio3: config interrupting at msix3 vec 0 [ 1.053820] virtio3: queues interrupting at msix3 vec 1 [ 1.053820] virtio4 at pci0 dev 8 function 0 [ 1.053820] virtio4: memory balloon device (id 5, rev. 0x00) [ 1.053820] viomb0 at virtio4: features: 0x10000000<INDIRECT_DESC> [ 1.053820] virtio4: allocated 8192 byte for virtqueue 0 for inflate, size 128 [ 1.053820] virtio4: allocated 8192 byte for virtqueue 1 for deflate, size 128 [ 1.053820] virtio4: interrupting at ioapic0 pin 11 and for console I have: [ 1.053820] pckbc1 at acpi0 (KBD, PNP0303) (kbd port): io 0x60,0x64 irq 1 [ 1.053820] pckbc2 at acpi0 (MOU, PNP0F13) (aux port): irq 12 [ 1.053820] pckbd0 at pckbc1 (kbd slot) [ 1.053820] pckbc1: using irq 1 for kbd slot [ 1.053820] wskbd0 at pckbd0: console keyboard [ 1.053820] pms0 at pckbc1 (aux slot) [ 1.053820] pckbc1: using irq 12 for aux slot [ 1.053820] wskbd0 at pckbd0: console keyboard [ 1.053820] genfb0 at pci0 dev 2 function 0: vendor 1234 product 1111 (rev. 0x02) [ 1.053820] genfb0: framebuffer at 0xc0000000, size 1024x768, depth 32, stride 4096 [ 1.053820] genfb0: shadow framebuffer enabled, size 3072 KB [ 1.053820] wsdisplay0 at genfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0 [ 1.053820] drm at genfb0 not configured The virtio network interface is still fully working when the block device is blocked. Christof -- https://cmeerw.org sip:cmeerw at cmeerw.org mailto:cmeerw at cmeerw.org xmpp:cmeerw at cmeerw.org