> Date: Thu, 8 Dec 2016 11:54:55 -0800
> From: Bryan Vyhmeister <br...@bsdjournal.net>
>
> I just installed OpenBSD-current on my PowerMac11,2 which is the very
> last generation of PowerMac G5 systems. My particular one is the quad
> 2.5GHz model.
>
> As a sidenote, I tried installing an Intel 535 SSD and an OCZ Vertex 4
> SSD and neither was detected by the SATA controller. I had read about
> that being an issue on some SSDs and that Samsung SSDs did not have this
> issue with older and slower SATA chipsets. I tried a Samsung 850 Pro and
> it worked fine.
>
> I was able to install just fine with the installer but when I rebooted
> with bsd.mp, I get a panic right after cpu and memory detection due to
> radeondrm. A boot -c and disable radeondrm allows the system to boot
> fine but I would like to get this Radeon X1950 that I bought for this
> purpose working since in theory I could have a decent Xorg experience.
> Here is the panic transcribed by hand:
>
> ...snip...
> memc0 at mainbus0: u4 rev 0x42
> kiic0 at memc0 offset 0xf8001000
> iic0 at kiic0
> lmtemp0 at iic0 addr 0x4a: ds1775
> maxds0 at iic0 addr 0x4b: ds1631
> maxtmp0 at iic0 addr 0x4c: max6690
> maxtmp1 at iic0 addr 0x4e: max6690
> "dart" at memc0 offset 0xf8033000 not configured
> openpic0 at memc0 offset 0xf8040000: version 0x4614 feature 7b0302 BE
> mpcpcibr0 at mainbus0 pci: u4-pcie
> pci0 at mpcpcibr0 bus 0
> radeondrm0 at pci0 dev 0 function 0 "ATI Radeon X1950" rev 0x00
> drm0 at radeondrm0
> radeondrm0: irq 3
> kern dsi on addr ffffffff iar 57c218
> panic: trap type 300 at 57c218 (pci_conf_write+0x1c) lr 590f50
> Stopped at Debugger+0x10: lwz r0,36(41)
> TID PID UID PRFLAGS PFLAGS CPU COMMAND
> * 0 0 0 0x10000 0x200 0 swapper
> Debugger() at Debugger+0xc
> End of kernel: 0x904700
> end trace frame: 0x904700, count: 14
>
>
> I did not grab the dmesg from booting with radeondrm disabled (I can
> grab it later today if need be) but the dmesg from bsd.rd is at the
> bottom before I installed the Samsung SSD. Any idea what might be
> causing the panic?
Does the diff below help?
Index: radeon_kms.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/drm/radeon/radeon_kms.c,v
retrieving revision 1.48
diff -u -p -r1.48 radeon_kms.c
--- radeon_kms.c 8 Apr 2016 08:27:53 -0000 1.48
+++ radeon_kms.c 8 Dec 2016 20:07:37 -0000
@@ -478,7 +478,7 @@ radeondrm_attach_kms(struct device *pare
int is_agp;
pcireg_t type;
uint8_t iobar;
-#if !defined(__sparc64__)
+#if !defined(__sparc64__) && !defined(__macppc__)
pcireg_t addr, mask;
int s;
#endif
@@ -550,7 +550,7 @@ radeondrm_attach_kms(struct device *pare
return;
}
-#if !defined(__sparc64__)
+#if !defined(__sparc64__) && !defined(__macppc__)
/*
* Make sure we have a base address for the ROM such that we
* can map it later.
