118 2004-11-01 10:41:20 +0100 EXCEPTION_ACCESS_VIOLATION on show of 2nd canvas (ATI-specific) 2010-03-24 07:47:03 +0100 0 0 3 JogAmp Jogl core 1 All windows VERIFIED FIXED http://delsci.com/java/BuggyFrame.zip P2 normal --- 1 sgothel sgothel DEFECT --- oldest_to_newest 134 0 sgothel 2010-03-24 07:47:03 +0100 ---- Reported by delwarl 2004-11-01 22:41:20 ---- Opening up a second JFrame & GLCanvas with a Menu action causes an EXCEPTION_ACCESS_VIOLATION on Windows 2k with ATI hardware & drivers. The problem does not occur with nVidia hardware under Windows or with ATI hardware under Mac OS X. The latest beta (1.1b06) does not solve the problem. A simple test app can be downloaded from the associated URL (BuggyFrame.zip). An unexpected exception has been detected in native code outside the VM. Unexpected Signal : EXCEPTION_ACCESS_VIOLATION (0xc0000005) occurred at PC=0x24F8A703 Function=DrvSetContext+0x11313 Library=E:\WINNT\system32\atioglxx.dll at net.java.games.jogl.impl.windows.WGL.wglCreateContext(Native Method) at net.java.games.jogl.impl.windows.WindowsGLContext. choosePixelFormatAndCreateContext (WindowsGLContext.java:495) ... ---- Additional Comments From kbr 2005-01-28 19:05:39 ---- Created an attachment Copy of submitter's test case ---- Additional Comments From kbr 2005-01-28 19:12:23 ---- This doesn't crash on my machine but the creation of the second GLCanvas does fail with a GLException indicating that the pixel format of the second window could not be set. This is almost certainly due to poor multithreading behavior in ATI's drivers and interaction with the new dummyGL code; the question is whether a good workaround can be found. ---- Additional Comments From kbr 2005-01-30 17:10:38 ---- The root cause of this bug was not the new DummyGL code, but severe bugs in ATI's OpenGL drivers where it appears that if an OpenGL context is ever made current on more than one thread during the lifetime of an application, problems begin to occur such as the SetPixelFormat call failing on the just the next newly-created HDC, or all subsequent SetPixelFormat calls failing on all subsequently-created HDCs. This was occurring because the single-threaded ATI workaround's automatic detection mechanism was not being enabled until the first time a context was made current, but by then it was typically too late; the context was made current on the end user's thread during e.g. Frame.show(), and if it was ever made current on another thread (like the AWT event queue thread, which is where all OpenGL operations are performed when the single-threaded workaround is enabled) then the problems would begin. The failure has only been seen on Windows so far; ATI's drivers on X11 seem to be better behaved. The workaround is to check for the presence of ATI's drivers very early during JOGL's initialization, by looking in the system directory for atioglxx.dll, and enabling the single-threaded workaround if it was found. This workaround causes the attached test case to work properly. ---- Additional Comments From kbr 2005-01-30 17:13:44 ---- *** Issue 130 has been marked as a duplicate of this issue. *** --- Bug imported by sgothel@jausoft.com 2010-03-24 07:47 EDT --- This bug was previously known as _bug_ 118 at https://jogl.dev.java.net/bugs/show_bug.cgi?id=118 Imported an attachment (id=27) Unknown bug field "has_duplicates" encountered while moving bug <has_duplicates> <bug_id>130</bug_id> <who>kbr</who> <when>2005-01-30 17:13:44</when> </has_duplicates> CC member delwarl does not have an account here The original submitter of attachment 27 is unknown. Reassigning to the person who moved it here: sgothel@jausoft.com. 27 2005-01-28 19:05:00 +0100 2005-01-28 19:05:00 +0100 Copy of submitter's test case BuggyFrame.zip application/x-compressed 1397 sgothel UEsDBBQAAAAIAHGyYTHG8gnj1QQAAPIMAAAfAAAAY29tL2RlbHNjaS9idWdzL0J1Z2d5RnJhbWUu amF2YaVXSW/jNhS+G/B/IHySU1dxJpl2msAHx9s4VWw3zlKgKQJaoiUOaEogKS+d5r/3kZIsehu0 Ux0i+W383sqX8zM05FKJ1Fc05vIaeTjlfoRURBBOEkZ9rBnIuU3DcNMXeEHqCPNAC3AkCSO+qlbQ GaqNE8JraC7ihVHuU0bQPeGpi+DpLUF6RVWEfuy2H4dvL+OHX9sP46dRF1EJZhRScWYGoJBaA0wA fUUZQ1Lpv77AMkIABLRRhEWwwgIQSjSPGYtX8tpomz9tjlJO1gkgIwEia58kxoUIpGcEcAREZTzK EQf3lgT5cUBQnCpJ4a3hP9+7xthTaWlKQ44Zuka93zu9yeNwPHprdzq96fTteTj22pqAnObab5rn Yx3Fvp8KAZpYoUmn1Vx/uOp/av/cvDSW+xBnjavVFcspUZ2YK7JWPzTXFxeXF5mIR2cCi02rd/36 MhyNHl/lRiqyuPzwqpMSsvXaDRgrPYdzOFHuF7zEbgiZku4XkHLpImHuivIA4uS+DDx3FbKOIFiR /FBnlEXhnqgoDur/3lb2Hni5nSxk33j8KI4lmdA1Yf1YLLBq82AXyYFJDeD66pePBtV5tVKtAIRY HEd3drNlGxZeqaM0AuV4wFm7EhwLDblaSdIZFD/yGZYSlcUP9aQIDyS6Mz+rla+AC55E0CW4YctP MCeslM9+5uL7T0k9YsijkHVOBNLBJwuALtHA0y2ltqw9u4UVyhV0UaCiRkRoGKmb48fbz66E3MA0 EDGnf0Ed5zFZxjRAAZUJwxtn4HUFXuEZdHu4/azvGjni9JzqXhp4KGSoZWm6IVEDz6kfAQr5Ddkz JSudMafZaDb0kHAz98zAcDMnTyp3GMHCgVPdgffWGXvjh7fbp36/B6/hI/o7Z3ShuT/bjJP2+iyV EWDdi9m7rh+bcCRunQjzkATHw9dAhweeeGZxDE5xtIABlttsbIkBWVK/INfR1/fTZk8DppyqE1n+ TouCyAgn5Pt911W9bpjXpmHVuPnMa2CvAvUfq0Sg5vKGQGURAdG8b3Yz+I7Oz3cb8RCh1b+Zo+UE cCwoe42w292s+GjBbFvtMg8aAgYk5ku40fzs1dLEQ1xliPvYV7HY6P7KP52665vZW9hy9LH6R4Jn lFFFiXTq+wdn57k4CPZGkFPg39cwAYYr3sMbuGHNIbexCIjICQdHGAU4wMnOatjSbqc3euw92Cp5 DZZpMmEvMpjNUb2ctM11ux3I7RmsPRCJnGylJk9hqeNApSOZJuBktuZAy78f5twUNzYaEyLmcMFB g2cWTKSQ7pgyt+YC0dOjcMAG/FtK1X8FXOrYgDX1fwGemqXDJWuYA80DuHa95x7Z0HIQemszIqhL FrFeODGUYK1+Yzca5E9vgmliNjC459KSdzeJkzQx+yTIdMkcpwxKDzr4xfSxYfe4rvTAmWMmiV0i d1rxFgtjVL+zFivIO91VlOuWmesc2IM7jBHzYVlzanrxrdnCub6p6ELF5hc0I6AN2YX3TUE74Qeh ZDE2WzpKsnYoWHqxwlTPGT8B5MbdMN8/udK9czQcU9gAnJ+umo2rT02b7ydbOPbMOzQRxaut4d3a kQrWz7waFwDNmSoBi9gffyIsQpmPT6umrG0M/kWxx2XRUttTyqGQr2vVyj9QSwECMgsUAAAACABx smExxvIJ49UEAADyDAAAHwAAAAAAAAABACAAtoEAAAAAY29tL2RlbHNjaS9idWdzL0J1Z2d5RnJh bWUuamF2YVBLBQYAAAAAAQABAE0AAAASBQAAAAA=