The 00:07.0 refers to the iscsi disk. The seabios debug info is as follows: ----------------------------------- init virtio-scsi phys_alloc zone=0x7ffbfe78 size=4096 align=1000 ret=7ffa7000 (detail=0x7ffa9390) /7ffa7000\ Start thread |7ffa7000| found virtio-scsi at 00:07.0 |7ffa7000| phys_alloc zone=0x7ffbfe84 size=55 align=10 ret=7ffdffc0 (detail=0x7ffa8760) |7ffa7000| pci dev 00:07.0 virtio cap at 0x84 type 5 [pci cfg access] |7ffa7000| pci dev 00:07.0 virtio cap at 0x70 type 2 bar 4 at 0xfea00000 off +0x3000 [mmio] |7ffa7000| pci dev 00:07.0 virtio cap at 0x60 type 4 bar 4 at 0xfea00000 off +0x2000 [mmio] |7ffa7000| pci dev 00:07.0 virtio cap at 0x50 type 3 bar 4 at 0xfea00000 off +0x1000 [mmio] |7ffa7000| pci dev 00:07.0 virtio cap at 0x40 type 1 bar 4 at 0xfea00000 off +0x0000 [mmio] |7ffa7000| pci dev 00:07.0 using modern (1.0) virtio mode |7ffa7000| vp write fea00014 (1) <- 0x0 |7ffa7000| vp read fea01000 (1) -> 0x0 |7ffa7000| vp write fea00014 (1) <- 0x3 |7ffa7000| vp write fea00000 (4) <- 0x0 |7ffa7000| vp read fea00004 (4) -> 0x30000006 |7ffa7000| vp write fea00000 (4) <- 0x1 |7ffa7000| vp read fea00004 (4) -> 0x1 |7ffa7000| vp write fea00008 (4) <- 0x0 |7ffa7000| vp write fea0000c (4) <- 0x0 |7ffa7000| vp write fea00008 (4) <- 0x1 |7ffa7000| vp write fea0000c (4) <- 0x1 |7ffa7000| vp write fea00014 (1) <- 0xb |7ffa7000| vp read fea00014 (1) -> 0xb |7ffa7000| WARNING - Unable to allocate resource at vp_find_vq:301! |7ffa7000| fail to find vq for virtio-scsi 00:07.0 |7ffa7000| vp write fea00014 (1) <- 0x0 |7ffa7000| vp read fea01000 (1) -> 0x0 |7ffa7000| phys_free 7ffdffc0 (detail=0x7ffa8760) \7ffa7000/ End thread phys_free 7ffa7000 (detail=0x7ffa9390)
----------------------------------- I wonder how can I diagnose this problem and how to deal with? Best Regards, Yiguang