Description of problem:
pata driver for 2.6.20-1.2999.fc7 is not able to read from a multiseason dvd 
with free sapce that is still writeable.

Version-Release number of selected component (if applicable):
kernel-2.6.20-1.2999.fc7

How reproducible:
everty time

Steps to Reproduce:
1. mount either as root or with gnome-mount.
2.
3.
  
Actual results:
kernel-2.6.20-1.2999.fc7
attempt to access beyond end of device
sr0: rw=0, want=68, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5709668, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5708644, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5708420, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5709660, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5708636, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5708412, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5709068, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5708044, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5707820, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5709060, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5708036, limit=4
attempt to access beyond end of device
sr0: rw=0, want=5707812, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4684868, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4683844, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4683620, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4684860, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4683836, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4683612, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4684268, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4683244, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4683020, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4684260, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4683236, limit=4
attempt to access beyond end of device
sr0: rw=0, want=4683012, limit=4
attempt to access beyond end of device
sr0: rw=0, want=1252, limit=4
attempt to access beyond end of device
sr0: rw=0, want=1028, limit=4
UDF-fs: No partition found (1)

Expected results:

should be able to read from multiseason dvd as easlier version vith pata ide 
driver.
Additional info: