I've installed Kernel 3.15.1-031501 and today 3.15.2-031502 because with 3.13 my HP 6730s has wrong fan control. But with both 3.15.1 and 3.15.2, after grub selection, something like 50% of boots fail! In these situations I can't access the terminal by pressing Ctrl+Alt+F1 so I have to reboot by long pressing power button. Someone can tell me what can I do? Thank you!

HW config:

  • CPU Intel Core 2 Due T9400 (2.53 GHz, 6MB cache L2)
  • RAM SoDimm DDR2 PC2-6400 800MHz 1x4GB Hynix + 1x2GB Micron
  • Bridge Intel Mobile 4 Series
  • HD Toshiba MK5055GS (500GB Sata)
  • Ethernet Marvell 88E8042 PCI-E Fast Ethernet Controller
  • Wireless Broadcom BCM4312 (con driver b43 necessari per il kernel 3.15)
  • Graphics Mobile Intel GM45 Express Chipset
  • Audio Intel HD Audio Controller

Not shure what was the issue, but now I'm running 3.15.3-031503-generic and all goes well. But I've purged old kernels with Ubuntu Tweak.

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