For completeness, the problem did not appear when upgrading to kernel 2.6.32-30. After upgrade, I can boot normally in 2.6.32-30 with no problem (I did nothing particular in the meantime except editing temporarily the /boot/grub/brug.cfg file for 2.6.32-29).
For completeness, the problem did not appear when upgrading to kernel 2.6.32-30. After upgrade, I can boot normally in 2.6.32-30 with no problem (I did nothing particular in the meantime except editing temporarily the /boot/grub/brug.cfg file for 2.6.32-29).