Latest working kernel version: unknown
Earliest failing kernel version: 2.6.26 (this is the version I was using when getting the card)
Distribution: Gentoo
Hardware Environment: AMD64/AM2
Software Environment: Glibc
Problem Description: When unloading saa7134_* the load of the system goes to 100% and modprobe -r cannot complete. When inserting the /dev/dvb/* devices are not created.

saa7130/34: v4l2 driver version 0.2.14 loaded
saa7134 0000:01:06.0: PCI INT A -> Link[LNKA] -> GSI 18 (level, low) -> IRQ 18
saa7133[0]: found at 0000:01:06.0, rev: 209, irq: 18, latency: 64, mmio: 0xfebff800
saa7133[0]: subsystem: 1131:2004, board: UNKNOWN/GENERIC [card=0,autodetected]
saa7133[0]: board init: gpio is 0
saa7133[0]: i2c eeprom 00: 31 11 04 20 54 20 1c 00 43 43 a9 1c 55 d2 b2 92
saa7133[0]: i2c eeprom 10: 00 ff 86 0f ff 20 ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 20: 01 40 01 02 03 01 01 03 08 ff 00 b2 ff ff ff ff
saa7133[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 40: ff 35 00 c0 96 10 03 32 21 05 ff ff ff ff ff ff
saa7133[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: registered device video0 [v4l2]
saa7133[0]: registered device vbi0