I grabbed the latest i915.8.patch from kib@'s website and compiled it against r276774 (today)
Machine is a Lenovo T530, booted UEFI, with the nvidia GPU disabled. CPU: Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz (2594.16-MHz K8-class CPU) It is an Ivy-bridge CPU/GPU I installed xorg and kde, and when I try to start KDE, it loads, and gets so far as showing the FreeBSD wallpaper, then panics: text dump: http://www.allanjude.com/bsd/i915_core.3.txt Full dump: (26mb compressed, 740mb original) http://www.allanjude.com/bsd/i915_vmcore.3.xz Unread portion of the kernel message buffer: panic: In GPU write domain cpuid = 3 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe045e52e600 vpanic() at vpanic+0x189/frame 0xfffffe045e52e680 kassert_panic() at kassert_panic+0x132/frame 0xfffffe045e52e6f0 i915_gem_pread_ioctl() at i915_gem_pread_ioctl+0x678/frame 0xfffffe045e52e790 drm_ioctl() at drm_ioctl+0x318/frame 0xfffffe045e52e800 devfs_ioctl_f() at devfs_ioctl_f+0x122/frame 0xfffffe045e52e860 kern_ioctl() at kern_ioctl+0x2c0/frame 0xfffffe045e52e8c0 sys_ioctl() at sys_ioctl+0x153/frame 0xfffffe045e52e9a0 amd64_syscall() at amd64_syscall+0x25a/frame 0xfffffe045e52eab0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe045e52eab0 --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8022a56fa, rsp = 0x7fffffffe718, rbp = 0x7fffffffe740 --- KDB: enter: panic Uptime: 9m19s Dumping 739 out of 16176 MB:..3%..11%..22%..31%..42%..52%..61%..72%..81%..91% Reading symbols from /boot/kernel/i915kms.ko.symbols...done. Loaded symbols for /boot/kernel/i915kms.ko.symbols Reading symbols from /boot/kernel/drm2.ko.symbols...done. Loaded symbols for /boot/kernel/drm2.ko.symbols Reading symbols from /boot/kernel/iicbus.ko.symbols...done. Loaded symbols for /boot/kernel/iicbus.ko.symbols Reading symbols from /boot/kernel/iic.ko.symbols...done. Loaded symbols for /boot/kernel/iic.ko.symbols Reading symbols from /boot/kernel/iicbb.ko.symbols...done. Loaded symbols for /boot/kernel/iicbb.ko.symbols #0 doadump (textdump=Unhandled dwarf expression opcode 0x93 ) at pcpu.h:219 219 pcpu.h: No such file or directory. in pcpu.h (kgdb) #0 doadump (textdump=Unhandled dwarf expression opcode 0x93 ) at pcpu.h:219 #1 0xffffffff80965d27 in kern_reboot (howto=Unhandled dwarf expression opcode 0x93 ) at /usr/src/sys/kern/kern_shutdown.c:448 #2 0xffffffff80966318 in vpanic (fmt=<value optimized out>, ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:747 #3 0xffffffff80966142 in kassert_panic (fmt=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:635 #4 0xffffffff81e1de88 in i915_gem_pread_ioctl (dev=0xfffff8002ffd1000, data=0xfffffe045e52e8f0, file=<value optimized out>) at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem.c:3010 #5 0xffffffff81e9a398 in drm_ioctl (kdev=<value optimized out>, cmd=2149606492, data=0xfffffe045e52e8f0 "y", flags=Unhandled dwarf expression opcode 0x93 ) at /usr/src/sys/modules/drm2/drm2/../../../dev/drm2/drm_drv.c:942 #6 0xffffffff80849942 in devfs_ioctl_f (fp=0xfffff80009c15690, com=2149606492, data=0xfffffe045e52e8f0, cred=0xfffffe045e52e8f0, td=0xfffff80009c74000) at /usr/src/sys/fs/devfs/devfs_vnops.c:775 #7 0xffffffff809c3ad0 in kern_ioctl (td=0xfffff80009c74000, fd=<value optimized out>, com=0, data=<value optimized out>) at file.h:318 #8 0xffffffff809c3763 in sys_ioctl (td=0xfffff80009c74000, uap=0xfffffe045e52ea40) at /usr/src/sys/kern/sys_generic.c:718 #9 0xffffffff80d8590a in amd64_syscall (td=0xfffff80009c74000, traced=0) at subr_syscall.c:133 #10 0xffffffff80d632ab in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:395 #11 0x00000008022a56fa in ?? () Previous frame inner to this frame (corrupt stack?) Current language: auto; currently minimal -- Allan Jude
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