X crashes on switching to console - intel_bufmgr_fake.c:1302: intel_bufmgr_fake_evict_all: Assertion failed

[Jeff Chua]

On Fri, Sep 19, 2008 at 7:02 AM, Jeff Chua <jeff.chua.linux at gmail.com> 
wrote:
> Swtiching to console resulted in X crashing. Same problem with trying
> to suspend to ram.
>
> X: intel_bufmgr_fake.c:1302: intel_bufmgr_fake_evict_all: Assertion
> `((&bufmgr_fake->fenced)->next == (&bufmgr_fake->fenced))' failed.
>

This turns out to be the drm module that's emitting this problem.

Taking out the assert() calls fixed the problem with switching to VT 
consoles and suspending to ram.

I don't know what's the implication of taking away these two calls. Please 
advise.


Thanks,
Jeff


--- /v6/src2/cvs/drm/drm/libdrm/intel/intel_bufmgr_fake.c	2008-09-12 20:02:27 +0800
+++ /v6/src2/drm/drm/libdrm/intel/intel_bufmgr_fake.c	2008-09-19 08:35:29 +0800
@@ -1296,12 +1296,6 @@
      */
     dri_bufmgr_fake_wait_idle(bufmgr_fake);

-   /* Check that we hadn't released the lock without having fenced the last
-    * set of buffers.
-    */
-   assert(DRMLISTEMPTY(&bufmgr_fake->fenced));
-   assert(DRMLISTEMPTY(&bufmgr_fake->on_hardware));
-
     DRMLISTFOREACHSAFE(block, tmp, &bufmgr_fake->lru) {
        /* Releases the memory, and memcpys dirty contents out if necessary. */
        free_block(bufmgr_fake, block);