Hi,
I get an oops with Linux 2.6.32-rc1 when enabling Radeon KMS with a
Radeon HD 4350 card.
The oops is triggered by a custom version of wayland.
I have a photo of the screen, which indicates that the crash is in:
- radeon_get_object_pin+0x7
- atombios_crtc_set_base+0x74
- drm_crtc_helper_set_config+0x75c
- drm_mode_setcrtc+0x170
- drm_ioctl+0x17d
The below patch "fix" the oops, but is naturally not the solution.
dmesg verifies that both printk()s are invoked.
Have a nice day
--
Yuval Fledel
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c
b/drivers/gpu/drm/radeon/atombios_crtc.c
index 6a01592..be60553 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -602,6 +602,9 @@ radeon_framebuffer_create(struct drm_device *dev,
}
drm_framebuffer_init(dev, &radeon_fb->base, &radeon_fb_funcs);
drm_helper_mode_fill_fb_struct(&radeon_fb->base, mode_cmd);
+ if (!obj) {
+ printk(KERN_WARNING "radeon_framebuffer_create: no obj\n");
+ }
radeon_fb->obj = obj;
return &radeon_fb->base;
}
@@ -483,6 +483,12 @@ int atombios_crtc_set_base(struct drm_crtc *crtc,
obj = radeon_fb->obj;
obj_priv = obj->driver_private;
+ if (!obj) {
+ printk(KERN_ERR "set_base on no obj\n");
+ return -EINVAL;
+ }
+
if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &fb_location)) {
return -EINVAL;
}
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