{"action":"closed","issue":{"url":"https://api.github.com/repos/01org/KVMGT-kernel/issues/25","labels_url":"https://api.github.com/repos/01org/KVMGT-kernel/issues/25/labels{/name}","comments_url":"https://api.github.com/repos/01org/KVMGT-kernel/issues/25/comments","events_url":"https://api.github.com/repos/01org/KVMGT-kernel/issues/25/events","html_url":"https://github.com/01org/KVMGT-kernel/issues/25","id":106315294,"number":25,"title":"Continuously see error messages-> FIXME: igd_pgt is NULL!","user":{"login":"tcwu2005","id":13940041,"avatar_url":"https://avatars.githubusercontent.com/u/13940041?v=3","gravatar_id":"","url":"https://api.github.com/users/tcwu2005","html_url":"https://github.com/tcwu2005","followers_url":"https://api.github.com/users/tcwu2005/followers","following_url":"https://api.github.com/users/tcwu2005/following{/other_user}","gists_url":"https://api.github.com/users/tcwu2005/gists{/gist_id}","starred_url":"https://api.github.com/users/tcwu2005/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tcwu2005/subscriptions","organizations_url":"https://api.github.com/users/tcwu2005/orgs","repos_url":"https://api.github.com/users/tcwu2005/repos","events_url":"https://api.github.com/users/tcwu2005/events{/privacy}","received_events_url":"https://api.github.com/users/tcwu2005/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2015-09-14T10:40:24Z","updated_at":"2015-09-16T11:53:45Z","closed_at":"2015-09-16T11:53:45Z","body":"1.  I successfully boot with options intel_iommu=igfx_off i915.hvm_boot_foreground=1.  Checked dmesg it looks ok. \r\n\r\n2. copy qemu-system-x86_64 and bios.bin to /opt/bin ,and run ./qemu-system-x86_64 -bios ./bios.bin -enable-kvm -M pc -smp 2 -cpu host  -m 1024 -machine kernel_irqchip=on -vgt -vga vgt disk (disk is a Ubuntu15.04 image that replaced with kernel 4.2).  Basically I follow README.kvmgt's guide.\r\n\r\n  I continuously see error message \"kick_off_i915_isr()-104: jike: FIXME: igd_pgt is NULL!\"\r\nSep 14 14:56:00 user-Z97-D3H kernel: [11595.275285] kick_off_i915_isr()-104: jike: FIXME: igd_pgt is NULL!\r\nSep 14 14:56:00 user-Z97-D3H kernel: [11595.275475] kick_off_i915_isr()-104: jike: FIXME: igd_pgt is NULL!\r\nSep 14 14:56:00 user-Z97-D3H kernel: [11595.275599] kick_off_i915_isr()-104: jike: FIXME: igd_pgt is NULL!\r\nSep 14 14:56:00 user-Z97-D3H kernel: [11595.276422] kick_off_i915_isr()-104: jike: FIXME: igd_pgt is NULL!\r\n\r\nBefore this error, I saw call trace (not sure if it is related)\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677276] Call Trace:\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677303]  [<ffffffff8157118f>] dump_stack+0x45/0x56\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677334]  [<ffffffff8108edbc>] warn_slowpath_common+0x7a/0x93\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677366]  [<ffffffff81008432>] ? kvm_io_bus_register_dev+0x38/0x100\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677395]  [<ffffffff8108ee74>] warn_slowpath_null+0x15/0x17\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677427]  [<ffffffff81008432>] kvm_io_bus_register_dev+0x38/0x100\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677455]  [<ffffffff8102bd8b>] kvm_create_pic+0x8e/0x11d\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677486]  [<ffffffff81017248>] kvm_arch_vm_ioctl+0x1f4/0x83d\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677520]  [<ffffffff8114b7fd>] ? handle_mm_fault+0x2ce/0x8c6\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677550]  [<ffffffff8128deac>] ? list_del+0xd/0x2b\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677581]  [<ffffffff81007dac>] kvm_vm_ioctl+0x610/0x64b\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677623]  [<ffffffff815762ea>] ? __schedule+0x531/0x78a\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677656]  [<ffffffff8101613f>] ? kvm_arch_dev_ioctl+0x101/0x167\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677696]  [<ffffffff8117b206>] do_vfs_ioctl+0x34a/0x40e\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677720]  [<ffffffff8117b315>] SyS_ioctl+0x4b/0x76\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677752]  [<ffffffff8157f7f9>] system_call_fastpath+0x16/0x1b\r\nSep 14 14:55:11 user-Z97-D3H kernel: [11546.677772] ---[ end trace 17fafdc71a8c7d9f ]---\r\n\r\n###stuck on this issue...Any comment is appreciated. Thanks.\r\n\r\n\r\n"}}