I have run r600 piglit tests and the OOPS error screen showed up with this: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: [<ffffffffa01762f4>] radeon_ttm_bo_destroy+0x34/0xd0 [radeon] PGD 108522067 PUD 123182067 PMD 0 Oops: 0002 [#1] PREEMPT SMP Modules linked in: asus_atk0110 usb_storage snd_hda_codec_hdmi radeon snd_hda_codec_realtek i2c_algo_bit snd_hda_intel snd_hda_codec snd_pcm coretemp aesni_intel aes_x86_64 r8169 hwmon drm_kms_helper ttm drm aes_generic xhci_hcd i2c_i801 mii ablk_helper cryptd video snd_page_alloc snd_timer snd ehci_hcd wmi CPU 0 Pid: 14945, comm: max-texture-siz Not tainted 3.6.0-rc2-00124-g6dab7ed #1 System manufacturer System Product Name/P8H67 RIP: 0010:[<ffffffffa01762f4>] [<ffffffffa01762f4>] radeon_ttm_bo_destroy+0x34/0xd0 [radeon] RSP: 0018:ffff8800d9fbfb18 EFLAGS: 00010282 RAX: ffff8802059c6800 RBX: ffff8802059c6848 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8802147f6ed8 RBP: ffff8802059c6800 R08: 0000000000000000 R09: ffff88021ec13f40 R10: ffffea00035a0540 R11: ffffffffa00bab18 R12: ffff8802147f6580 R13: ffff8802059c6848 R14: ffff8802059c6848 R15: ffff8802059c6888 FS: 00007f7fcdf95740(0000) GS:ffff88021ec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000008 CR3: 00000000d6db1000 CR4: 00000000000407f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process max-texture-siz (pid: 14945, threadinfo ffff8800d9fbe000, task ffff880215376600) Stack: ffff8802059c688c 0000000000400480 ffff8802147f6580 ffffffffa007481d 0000000000000001 0000000000000001 ffff8802147f65a0 ffff8802147f69a8 ffff8802133f11f8 ffffffffa00758a4 0000000000000296 0000000000000003 Call Trace: [<ffffffffa007481d>] ? ttm_bo_release_list+0xad/0x100 [ttm] [<ffffffffa00758a4>] ? ttm_bo_release+0x194/0x230 [ttm] [<ffffffffa007597d>] ? ttm_bo_unref+0x3d/0x60 [ttm] [<ffffffffa007751c>] ? ttm_bo_init+0x2ac/0x3f0 [ttm] [<ffffffffa0176614>] ? radeon_bo_create+0x1f4/0x300 [radeon] [<ffffffffa01762c0>] ? radeon_bo_clear_va+0x50/0x50 [radeon] [<ffffffffa0187df4>] ? radeon_gem_object_create+0x64/0x110 [radeon] [<ffffffffa018816c>] ? radeon_gem_create_ioctl+0x6c/0x120 [radeon] [<ffffffffa00b011c>] ? drm_ioctl+0x40c/0x4c0 [drm] [<ffffffffa0188100>] ? radeon_gem_pwrite_ioctl+0x30/0x30 [radeon] [<ffffffff81028362>] ? do_page_fault+0x182/0x440 [<ffffffff8110460f>] ? do_vfs_ioctl+0x8f/0x530 [<ffffffff810be483>] ? vm_mmap_pgoff+0x73/0xa0 [<ffffffff81104af9>] ? sys_ioctl+0x49/0x80 [<ffffffff81473be2>] ? system_call_fastpath+0x16/0x1b Code: 89 fb 48 89 6c 24 08 48 8d 6f b8 4c 89 64 24 10 48 8b bf c8 01 00 00 48 81 c7 d8 0e 00 00 e8 b4 aa 2f e1 48 8b 53 b8 48 8b 43 c0 <48> 89 42 08 48 89 10 48 8b bb c8 01 00 00 48 89 6b b8 48 89 6b RIP [<ffffffffa01762f4>] radeon_ttm_bo_destroy+0x34/0xd0 [radeon] RSP <ffff8800d9fbfb18> CR2: 0000000000000008 ---[ end trace 61e9627de8e05172 ]--- The card is Radeon HD 5750, I'm using Mesa from git (8d1a9a9), libdrm is also from git.
Created attachment 78171 [details] dmesg
Created attachment 78181 [details] lspci
Created attachment 78191 [details] cpuinfo
Created attachment 78201 [details] modules
Created attachment 78211 [details] Xorg.0.log
Created attachment 78221 [details] config
I believe this is fixed by this patch: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=676bc2e1e4f9072f7a640d5b7c99ffdf9709a6e7
Updated the kernel to the latest revision which contains the patch and have run piglit test three time and no oops this time. So I'm closing as unreproducible with latest code.
(In reply to comment #8) > Updated the kernel to the latest revision which contains the patch and have > run > piglit test three time and no oops this time. So I'm closing as > unreproducible > with latest code. The correct resolution would be FIXED, as it's a reproducible bug fixed by the patch.