I meet several issues with Jaunty Jackalope on my Pegasos 2 / ATI Radeon 9250.
1. X11 server "low-graphics" mode starting issue
The X11 server failed to start because of an invalid format for "BusId" parameters recovered from my Hardy Heron install.
To solve the problem, I had to replace "PCI:1:8:0" by "PCI:1@1:8:0".
But now, even if the X11 server starts correctly, a glxgears test gives a very low 65 fps result whereas it gives 510 fps with Hardy Heron.
Accorgind this page, it is a known problem with PowerPC :
https://wiki.ubuntu.com/PowerPCKnownIss ... 0Jackalope
2. Boot process is too long (~ 10 minutes)
During process boot, there are two issues which take too much time :
First issue, after HD and CD readers detection, just before the script "local-premount" was launched :
...
[ 5.268623] Uniform CD-ROM driver Revision: 3.20
[ 5.270691] sr 1:0:0:0: Attached scsi CD-ROM sr0
[ 5.272886] microsoft 0003:045E:00F9.0003: input,hidraw2: USB HID v1.11 Mouse [Microsft Microsoft Wireless Desktop Receiver 3.1] on usb-0000:00:0c.3-2/input1
[ 5.292762] sr1: scsi3-mmc drive: 20x/48x cd/rw xa/form2 cdda tray
[ 5.295008] sr 1:0:1:0: Attached scsi CD-ROM sr1
[ 190.456248] EXT3-fs: INFO: recovery required on readonly filesystem.
[ 190.458158] EXT3-fs: write access will be enabled during recovery.
[ 190.537415] kjournald starting. Commit interval 5 seconds
[ 190.539327] EXT3-fs: recovery complete.
[ 190.541480] EXT3-fs: mounted filesystem with ordered data mode.
[ 195.045792] udev: starting version 141
[ 195.433259] irda_init()
...
Second issue, after the hardware detection, just before the loading of kernel modules :
...
[ 195.753266] parport_pc: VIA parallel port: io=0x3BC, irq=7
[ 197.458720] ppdev: user-space parallel port driver
[ 197.870955] VIA 82xx Modem 0000:00:0c.6: enabling device (0000 -> 0001)
[ 199.128689] VIA 82xx Modem: probe of 0000:00:0c.6 failed with error -13
[ 199.132067] VIA 82xx Audio 0000:00:0c.5: enabling device (0000 -> 0001)
[ 376.299918] Adding 1040312k swap on /dev/sda10. Priority:-1 extents:1 across:1040312k
[ 376.356785] Adding 540532k swap on /dev/sdb8. Priority:-2 extents:1 across:540532k
[ 376.883275] EXT3 FS on sda11, internal journal
[ 474.645009] kjournald starting. Commit interval 5 seconds
[ 474.645238] EXT3 FS on sda12, internal journal
Do you have the same behavior on your Pegasos ?