Launchpad has imported 4 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=82793.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2014-08-19T01:28:27+00:00 Loic-yhuel wrote: It doesn't crash with LIBGL_DRI3_DISABLE=1. mesa-dri-drivers-10.2.5-1.20140806.fc21.x86_64 xorg-x11-drv-intel-2.99.914-1.fc21.x86_64 libdrm-2.4.56-1.fc21.x86_64 xorg-x11-server-Xorg-1.16.0-1.fc21.x86_64 kernel-3.16.1-300.fc21.x86_64 google-chrome-unstable-38.0.2125.0-1.x86_64 I've tried Mesa master (76f687d5a5be9d3bce8d05bcfef97a3d74ca1f18) and xf86-video-intel master (f5469681b620d9d6ccaf53e92ed31f931cb03b0d), but it's the same. Core was generated by `/opt/google/chrome-unstable/chrome --type=gpu-process --channel=2180.0.73132887'. Program terminated with signal SIGSEGV, Segmentation fault. #0 get_stencil_miptree (irb=<optimized out>) at brw_misc_state.c:225 225 if (irb->mt->stencil_mt) (gdb) bt #0 0x00007f80fb33a51f in brw_workaround_depthstencil_alignment (irb=<optimized out>) at brw_misc_state.c:225 #1 0x00007f80fb33a51f in brw_workaround_depthstencil_alignment (brw=0x3f6385fa2028, clear_mask=clear_mask@entry=50) at brw_misc_state.c:241 #2 0x00007f80fb2f09d0 in brw_clear (ctx=0x3f6385fa2028, mask=50) at brw_clear.c:235 #3 0x00007f8114982816 in () #4 0x0000000000000000 in () (gdb) up #1 brw_workaround_depthstencil_alignment (brw=0x1fca0ea81028, clear_mask=clear_mask@entry=50) at brw_misc_state.c:241 241 struct intel_mipmap_tree *stencil_mt = get_stencil_miptree(stencil_irb); (gdb) p *(struct intel_renderbuffer *)(brw->ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer) $11 = {Base = {Base = {Mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}, ClassID = 305419896, Name = 0, Label = 0x0, RefCount = 1, Width = 0, Height = 0, Depth = 0, Purgeable = 0 '\000', AttachedAnytime = 0 '\000', NeedsFinishRenderTexture = 0 '\000', NumSamples = 0 '\000', InternalFormat = 6402, _BaseFormat = 6402, Format = MESA_FORMAT_Z24_UNORM_X8_UINT, TexImage = 0x0, Delete = 0x7f41ed700240 <intel_delete_renderbuffer>, AllocStorage = 0x7f41ed701480 <intel_alloc_private_renderbuffer_storage>}, Buffer = 0x0, Map = 0x0, RowStride = 0, ColorType = 0}, mt = 0x0, singlesample_mt = 0x0, mt_level = 0, mt_layer = 0, layer_count = 1, draw_x = 0, draw_y = 0, need_downsample = false, need_map_upsample = false, singlesample_mt_is_tmp = false} The crash happens since mt is 0, but other members looks strange (Width, Height, ...). Reply at: https://bugs.launchpad.net/ubuntu/+source/chromium- browser/+bug/1378627/comments/0 ------------------------------------------------------------------------ On 2014-08-19T01:34:10+00:00 Loic-yhuel wrote: Sorry, I printed the wrong attachment, but it's almost the same : (gdb) p *(struct intel_renderbuffer *)(brw->ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer) $1 = {Base = {Base = {Mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}, ClassID = 305419896, Name = 0, Label = 0x0, RefCount = 1, Width = 0, Height = 0, Depth = 0, Purgeable = 0 '\000', AttachedAnytime = 0 '\000', NeedsFinishRenderTexture = 0 '\000', NumSamples = 0 '\000', InternalFormat = 6401, _BaseFormat = 6401, Format = MESA_FORMAT_S_UINT8, TexImage = 0x0, Delete = 0x7f044aa94240 <intel_delete_renderbuffer>, AllocStorage = 0x7f044aa95480 <intel_alloc_private_renderbuffer_storage>}, Buffer = 0x0, Map = 0x0, RowStride = 0, ColorType = 0}, mt = 0x0, singlesample_mt = 0x0, mt_level = 0, mt_layer = 0, layer_count = 1, draw_x = 0, draw_y = 0, need_downsample = false, need_map_upsample = false, singlesample_mt_is_tmp = false} Reply at: https://bugs.launchpad.net/ubuntu/+source/chromium- browser/+bug/1378627/comments/1 ------------------------------------------------------------------------ On 2014-11-19T01:31:07+00:00 Loic-yhuel wrote: I don't know why, but doesn't crash any more now. It could be any update to the given packages, so I don't know if the root cause is fixed, or if some change just avoids the problem. Reply at: https://bugs.launchpad.net/ubuntu/+source/chromium- browser/+bug/1378627/comments/14 ------------------------------------------------------------------------ On 2014-12-06T15:26:35+00:00 Chris Bainbridge wrote: *** This bug has been marked as a duplicate of bug 77402 *** Reply at: https://bugs.launchpad.net/ubuntu/+source/chromium- browser/+bug/1378627/comments/18 ** Changed in: mesa Status: Unknown => Invalid ** Changed in: mesa Importance: Unknown => Medium -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to chromium-browser in Ubuntu. https://bugs.launchpad.net/bugs/1378627 Title: chromium-browser crashed with SIGSEGV Status in Chromium Browser: Unknown Status in Mesa: Invalid Status in chromium-browser package in Ubuntu: Fix Committed Status in chromium-browser package in Debian: Confirmed Status in chromium-browser package in Fedora: Unknown Bug description: No idea what happened. ProblemType: Crash DistroRelease: Ubuntu 14.10 Package: chromium-browser 37.0.2062.94-0ubuntu1~pkg1065 ProcVersionSignature: Ubuntu 3.16.0-21.28-generic 3.16.4 Uname: Linux 3.16.0-21-generic x86_64 ApportVersion: 2.14.7-0ubuntu3 Architecture: amd64 CrashCounter: 1 CurrentDesktop: Unity Date: Wed Oct 8 07:12:48 2014 ExecutablePath: /usr/lib/chromium-browser/chromium-browser InstallationDate: Installed on 2013-12-22 (289 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131221) ProcCmdline: chromium-browser\ --type=gpu-process\ --channel=3043.0.199670400\ --supports-dual-gpus=false\ --gpu-driver-bug-workarounds=1,11,15\ --disable-accelerated-video-decode\ --gpu-vendor-id=0x8086\ --gpu-device-id=0x0126\ --gpu-driver-vendor\ --gpu-driver-versi SegvAnalysis: Segfault happened at: 0x7fc0e6b1963f: mov 0x1f8(%rax),%r15 PC (0x7fc0e6b1963f) ok source "0x1f8(%rax)" (0x000001f8) not located in a known VMA region (needed readable region)! destination "%r15" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: chromium-browser StacktraceTop: ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so ?? () from /usr/lib/chromium-browser/libs/libgpu.so ?? () from /usr/lib/chromium-browser/libs/libcontent.so ?? () from /usr/lib/chromium-browser/libs/libcontent.so Title: chromium-browser crashed with SIGSEGV UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm autopilot cdrom dip lpadmin plugdev sambashare scanner sudo modified.conffile..etc.default.chromium.browser: [deleted] mtime.conffile..etc.chromium.browser.default: 2014-09-14T18:16:36.315577 To manage notifications about this bug go to: https://bugs.launchpad.net/chromium-browser/+bug/1378627/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp