[Mesa-dev] [PATCH v2] intel/ppgtt: memory address alignment

[Chris Wilson]

Quoting Sergii Romantsov (2018-07-25 08:42:55)
> Hello,
> here is a backtrace:
...

Please try:
diff --git a/src/mesa/drivers/dri/i965/brw_bufmgr.c b/src/mesa/drivers/dri/i965/brw_bufmgr.c
index 09d45e30ecc..8274c2e0b2f 100644
--- a/src/mesa/drivers/dri/i965/brw_bufmgr.c
+++ b/src/mesa/drivers/dri/i965/brw_bufmgr.c
@@ -496,7 +496,6 @@ bo_alloc_internal(struct brw_bufmgr *bufmgr,
                   uint32_t stride)
 {
    struct brw_bo *bo;
-   unsigned int page_size = getpagesize();
    int ret;
    struct bo_cache_bucket *bucket;
    bool alloc_from_cache;
@@ -522,12 +521,12 @@ bo_alloc_internal(struct brw_bufmgr *bufmgr,
     * allocation up.
     */
    if (bucket == NULL) {
-      bo_size = size;
-      if (bo_size < page_size)
-         bo_size = page_size;
+      unsigned int page_size = getpagesize();
+      bo_size = ALIGN(size, page_size);
    } else {
       bo_size = bucket->size;
    }
+   assert(bo_size);

    mtx_lock(&bufmgr->lock);
    /* Get a buffer out of the cache if available */