Seth, To exam your assumption, I reverted that commit and replaced the vga_arbiter_check_bridge_sharing() function call by some delays, but I still encountered the issue. The error message is the same. Do you have any suggestion to do the test?
================== diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index ace2b16..5b93935 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -500,6 +500,8 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev) vga_default = pci_dev_get(pdev); #endif + msleep(1000); + /* Add to the list */ list_add(&vgadev->list, &vga_list); vga_count++; =================== -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/727620 Title: [Radeon HD 5650 and 5470] Kernel BUG during recovery boot and in normal boot (Hybrid graphics) To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/727620/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs