After applying grsecurity-2.9.1-3.2.44-201304292055.patch to a vanilla 3.2.44 kernel and configure it with options below, I got the following errors while running X:
Apr 29 15:21:59 darkstar kernel: [ 327.280450] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
Apr 29 15:23:55 darkstar kernel: [ 442.243529] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
Do you know how this problem can be solved? Let me know if you need any more details.
Thank you for your help.
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CONFIG_TASK_SIZE_MAX_SHIFT=47
CONFIG_PAX_USERCOPY_SLABS=y
CONFIG_GRKERNSEC=y
CONFIG_GRKERNSEC_CONFIG_AUTO=y
CONFIG_GRKERNSEC_CONFIG_DESKTOP=y
CONFIG_GRKERNSEC_CONFIG_VIRT_HOST=y
CONFIG_GRKERNSEC_CONFIG_VIRT_EPT=y
CONFIG_GRKERNSEC_CONFIG_VIRT_KVM=y
CONFIG_GRKERNSEC_CONFIG_PRIORITY_PERF=y
CONFIG_PAX=y
CONFIG_PAX_PT_PAX_FLAGS=y
CONFIG_PAX_XATTR_PAX_FLAGS=y
CONFIG_PAX_HAVE_ACL_FLAGS=y
CONFIG_PAX_NOEXEC=y
CONFIG_PAX_PAGEEXEC=y
CONFIG_PAX_EMUTRAMP=y
CONFIG_PAX_MPROTECT=y
CONFIG_PAX_KERNEXEC_PLUGIN_METHOD=""
CONFIG_PAX_ASLR=y
CONFIG_PAX_RANDKSTACK=y
CONFIG_PAX_RANDUSTACK=y
CONFIG_PAX_RANDMMAP=y
CONFIG_PAX_MEMORY_STACKLEAK=y
CONFIG_PAX_REFCOUNT=y
CONFIG_PAX_USERCOPY=y
CONFIG_GRKERNSEC_KMEM=y
CONFIG_GRKERNSEC_RAND_THREADSTACK=y
CONFIG_GRKERNSEC_PROC_MEMMAP=y
CONFIG_GRKERNSEC_BRUTE=y
CONFIG_GRKERNSEC_MODHARDEN=y
CONFIG_GRKERNSEC_HIDESYM=y
CONFIG_GRKERNSEC_KERN_LOCKOUT=y
CONFIG_GRKERNSEC_ACL_HIDEKERN=y
CONFIG_GRKERNSEC_ACL_MAXTRIES=3
CONFIG_GRKERNSEC_ACL_TIMEOUT=30
CONFIG_GRKERNSEC_PROC=y
CONFIG_GRKERNSEC_PROC_USERGROUP=y
CONFIG_GRKERNSEC_PROC_ADD=y
CONFIG_GRKERNSEC_LINK=y
CONFIG_GRKERNSEC_SYMLINKOWN=y
CONFIG_GRKERNSEC_FIFO=y
CONFIG_GRKERNSEC_SYSFS_RESTRICT=y
CONFIG_GRKERNSEC_ROFS=y
CONFIG_GRKERNSEC_CHROOT=y
CONFIG_GRKERNSEC_CHROOT_MOUNT=y
CONFIG_GRKERNSEC_CHROOT_DOUBLE=y
CONFIG_GRKERNSEC_CHROOT_PIVOT=y
CONFIG_GRKERNSEC_CHROOT_CHDIR=y
CONFIG_GRKERNSEC_CHROOT_CHMOD=y
CONFIG_GRKERNSEC_CHROOT_FCHDIR=y
CONFIG_GRKERNSEC_CHROOT_MKNOD=y
CONFIG_GRKERNSEC_CHROOT_SHMAT=y
CONFIG_GRKERNSEC_CHROOT_UNIX=y
CONFIG_GRKERNSEC_CHROOT_FINDTASK=y
CONFIG_GRKERNSEC_CHROOT_NICE=y
CONFIG_GRKERNSEC_CHROOT_SYSCTL=y
CONFIG_GRKERNSEC_CHROOT_CAPS=y
CONFIG_GRKERNSEC_RESLOG=y
CONFIG_GRKERNSEC_AUDIT_PTRACE=y
CONFIG_GRKERNSEC_AUDIT_MOUNT=y
CONFIG_GRKERNSEC_SIGNAL=y
CONFIG_GRKERNSEC_FORKFAIL=y
CONFIG_GRKERNSEC_TIME=y
CONFIG_GRKERNSEC_PROC_IPADDR=y
CONFIG_GRKERNSEC_RWXMAP_LOG=y
CONFIG_GRKERNSEC_DMESG=y
CONFIG_GRKERNSEC_HARDEN_PTRACE=y
CONFIG_GRKERNSEC_PTRACE_READEXEC=y
CONFIG_GRKERNSEC_SETXID=y
CONFIG_GRKERNSEC_TPE=y
CONFIG_GRKERNSEC_TPE_ALL=y
CONFIG_GRKERNSEC_TPE_INVERT=y
CONFIG_GRKERNSEC_TPE_GID=10
CONFIG_GRKERNSEC_RANDNET=y
CONFIG_GRKERNSEC_BLACKHOLE=y