<html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body> Hello users, Since updating to the latest mesa (currently 21.3.3) I get a leak when calling <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">eglSwapBuffers. <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">My project is a wayland egl window which renders textures using a simple shader. <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Below is the valgrind output. <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">RefreshWindow() basically contains eglSwapBuffers and wl_display_dispatch_pending <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">I've tried to create a small example to show this behaviour buts its trickier to weed out the code than I thought and so I hoped someone may have a suggestion of something I might be doing wrong from the call stack. <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">28,448 bytes in 889 blocks are definitely lost in loss record 22,700 of 22,725 ==26865== at 0x55FC7B5: malloc (vg_replace_malloc.c:380) ==26865== by 0x27E29066: update_bo_syncobjs (iris_batch.c:677) ==26865== by 0x27E29066: update_batch_syncobjs (iris_batch.c:755) ==26865== by 0x27E29066: _iris_batch_flush (iris_batch.c:888) ==26865== by 0x27E24C5B: iris_flush_resource (iris_resource.c:1393) ==26865== by 0x27D80432: tc_call_flush_resource (u_threaded_context.c:3680) ==26865== by 0x27D7EEE1: tc_batch_execute (u_threaded_context.c:213) ==26865== by 0x27D7FB8A: _tc_sync.constprop.0 (u_threaded_context.c:364) ==26865== by 0x27D85747: tc_flush (u_threaded_context.c:2916) ==26865== by 0x2787CC24: st_context_flush (st_manager.c:676) ==26865== by 0x27825F20: dri_flush (dri_drawable.c:522) ==26865== by 0x27612196: ??? ==26865== by 0x27607A7D: ??? ==26865== by 0x275FB005: ??? ==26865== by 0xA77060: RefreshWindow() (WaylandEGL.cpp:165) <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Thanks, <span style="color: rgb(220, 221, 222); font-family: Whitney, "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: break-spaces; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgba(4, 4, 5, 0.07); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Richard </body> </html>