Bug 702668 is solved with package <linux-image-3.2.0-4-amd64>. The problem with loading radeon firmware still exists.
/var/log/dmesg: "radeon 0000:01:00.0: WB disabled [ 7.011278] [drm] fence driver on ring 0 use gpu addr 0xf8000000 and cpu addr 0xffffc900008b4000 [ 7.015759] [drm] Loading R300 Microcode [ 7.119070] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 7.119796] sr 5:0:0:0: Attached scsi generic sg1 type 5 [ 7.119882] sr 6:0:0:0: Attached scsi generic sg2 type 5 [ 7.416378] platform radeon_cp.0: firmware: agent aborted loading radeon/R300_cp.bin (not found?) [ 7.416730] [drm:r100_cp_init] *ERROR* Failed to load firmware! [ 7.416738] radeon 0000:01:00.0: failed initializing CP (-2). [ 7.416742] radeon 0000:01:00.0: Disabling GPU acceleration [ 7.416750] [drm] radeon: cp finalized [ 7.416803] radeon 0000:01:00.0: ffff8800379f7c00 unpin not necessary [ 7.416832] [drm] radeon: cp finalized [ 7.416835] radeon 0000:01:00.0: no bo for sa manager".
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