root@DPP4:~# dpkg -l | grep pvr ii pvr-omap4 1.9.0.6.1.1-3 PowerVR SGX540 libraries for OMAP4, remaining libs and binaries ii pvr-omap4-data 1.9.0.6.1.1-3 PowerVR SGX540 libraries for OMAP4, data files ii pvr-omap4-dkms 1.9.0.6.1.1-2 PowerVR SGX540 kernel driver for OMAP4 in DKMS format. ii pvr-omap4-utils 1.9.0.6.1.1-3 PowerVR SGX540 utils for OMAP4 ii pvr-omap4-xf86 1.9.0.6.1.1-3 X.org graphics -- TI OMAP pvr display driver root@DPP4:~# root@DPP4:~# lsmod Module Size Used by omapdrm_pvr 323483 0 telit_gc864 5199 0 tda8029 6162 0 power_drv 7092 0 power_button 4880 0 mfrc531_ssp 24762 0 arc4 1059 2 wl12xx 10685 0 wlcore 144514 1 wl12xx omapdce 22230 0 rpmsg_omx 7658 0 omaprpc 17000 0 mac80211 371739 1 wlcore omap_remoteproc 4692 1 rpmsg_resmgr_common 2518 0 remoteproc 21403 3 rpmsg_omx,omap_remoteproc,rpmsg_resmgr_common omap_rpmsg_resmgr 8587 0 rpmsg_resmgr 5471 2 rpmsg_resmgr_common,omap_rpmsg_resmgr virtio_rpmsg_bus 9164 4 omapdce,rpmsg_omx,omaprpc,rpmsg_resmgr cfg80211 160971 2 wlcore,mac80211 wlcore_sdio 2953 0 omap4iss 29233 0 var_battery 9846 0 omap4_keypad 2988 0 mt9p031 4360 0 root@DPP4:~# dkms status pvr-omap4, 1.9.0.6.1.1: added I did "apt-get install --reinstall pvr-omap4-dkms" root@DPP4:~# apt-get install --reinstall pvr-omap4-dkms Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded. Need to get 0 B/637 kB of archives. After this operation, 0 B of additional disk space will be used. perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = "ru_RU.utf8", LC_ALL = (unset), LANG = "posix" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). (Reading database ... 72412 files and directories currently installed.) Preparing to replace pvr-omap4-dkms 1.9.0.6.1.1-2 (using .../pvr-omap4-dkms_1.9.0.6.1.1-2_armhf.deb) ... ------------------------------ Deleting module version: 1.9.0.6.1.1 completely from the DKMS tree. ------------------------------ Done. Unpacking replacement pvr-omap4-dkms ... Setting up pvr-omap4-dkms (1.9.0.6.1.1-2) ... Loading new pvr-omap4-1.9.0.6.1.1 DKMS files... First Installation: checking all kernels... It is likely that 3.4.11-dipp45 belongs to a chroot's host Building for architecture armhf Module build for the currently running kernel was skipped since the kernel source for this kernel does not seem to be installed. root@DPP4:~# dmesg | grep SGX [ 30.677215] PVR_K: (FAIL) SGXInit: Incompatible driver DDK revision (2120756)/device DDK revision (2139099). root@DPP4:~# apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. root@DPP4:~# apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. root@DPP4:~#