I experienced the same problem with an other switchable graphics configuration:
ATI Radeon HD 3650 discrete and some Intel card. (Lenovo Thinkpad T500)
Boot hangs and I got the same error message, just the pci id was different:
udevd-work[86]: '/sbin/modprobe -bv unexpected exit with status 0x0009
Disabling the switchable graphics option in BIOS resulted good boot either using Radeor or Intel video cards.
I suggest to include the HD 3650 model to the topic of the bug.
Dear All,
I experienced the same problem with an other switchable graphics configuration:
ATI Radeon HD 3650 discrete and some Intel card. (Lenovo Thinkpad T500)
Boot hangs and I got the same error message, just the pci id was different:
udevd-work[86]: '/sbin/modprobe -bv unexpected exit with status 0x0009
Disabling the switchable graphics option in BIOS resulted good boot either using Radeor or Intel video cards.
I suggest to include the HD 3650 model to the topic of the bug.