<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - UE4Editor crash after pressing "play" with radeon southern island card (7850 HD)" href="https://bugs.freedesktop.org/show_bug.cgi?id=101325#c21">Comment # 21</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - UE4Editor crash after pressing "play" with radeon southern island card (7850 HD)" href="https://bugs.freedesktop.org/show_bug.cgi?id=101325">bug 101325</a> from <a class="email" href="mailto:nonfatmatt@gmail.com" title="Matt <nonfatmatt@gmail.com>"> Matt</a> <pre>Can confirm this bug on multiple cards / drivers / kernels / Mesa versions starting with Unreal 4.15. Radeon 7870 Radeon R7 360 Radeon R9 380 (Using amdgpu) with anything greater than Mesa 17. Mesa 13 works fine. Here's a recent dmesg from a box running Fedora 26 / 4.11 / Mesa 17.07 and a Radeon 7870. [ 215.746258] WARNING: CPU: 1 PID: 2239 at drivers/gpu/drm/radeon/radeon_object.c:84 radeon_ttm_bo_destroy+0xf6/0x100 [radeon] [ 215.746258] Modules linked in: ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables sunrpc intel_rapl snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal snd_hda_codec_hdmi intel_powerclamp snd_hda_intel snd_hda_codec coretemp mei_wdt iTCO_wdt iTCO_vendor_support ppdev kvm snd_hda_core snd_hwdep irqbypass snd_seq intel_cstate snd_seq_device snd_pcm mei_me intel_uncore snd_timer xpad intel_rapl_perf joydev snd ff_memless mei lpc_ich i2c_i801 soundcore [ 215.746278] parport_pc tpm_infineon ie31200_edac shpchp parport edac_core tpm_tis tpm_tis_core video tpm dm_crypt amdkfd amd_iommu_v2 radeon crct10dif_pclmul i2c_algo_bit crc32_pclmul drm_kms_helper crc32c_intel ttm ghash_clmulni_intel drm r8169 ata_generic pata_acpi uas mii usb_storage [ 215.746286] CPU: 1 PID: 2239 Comm: UdpMess-eceiver Tainted: G W 4.11.11-300.fc26.x86_64 #1 [ 215.746286] Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./B75M-D3H, BIOS F14 04/17/2013 [ 215.746287] Call Trace: [ 215.746288] dump_stack+0x63/0x84 [ 215.746289] __warn+0xcb/0xf0 [ 215.746290] warn_slowpath_null+0x1d/0x20 [ 215.746302] radeon_ttm_bo_destroy+0xf6/0x100 [radeon] [ 215.746304] ttm_bo_release_list+0xdb/0x200 [ttm] [ 215.746306] ? ttm_bo_man_put_node+0x3f/0x50 [ttm] [ 215.746308] ttm_bo_release+0x190/0x200 [ttm] [ 215.746310] ttm_bo_unref+0x2c/0x30 [ttm] [ 215.746317] radeon_bo_unref+0x39/0x70 [radeon] [ 215.746326] radeon_gem_object_free+0x57/0x70 [radeon] [ 215.746330] drm_gem_object_free+0x29/0x70 [drm] [ 215.746336] drm_gem_object_unreference_unlocked+0x3a/0x70 [drm] [ 215.746341] drm_gem_dmabuf_release+0x17/0x30 [drm] [ 215.746342] dma_buf_release+0x58/0x1a0 [ 215.746343] __fput+0xdf/0x1e0 [ 215.746345] ____fput+0xe/0x10 [ 215.746346] task_work_run+0x76/0x90 [ 215.746347] do_exit+0x2e9/0xb90 [ 215.746348] do_group_exit+0x47/0xb0 [ 215.746349] get_signal+0x29f/0x640 [ 215.746351] do_signal+0x37/0x6a0 [ 215.746352] ? __check_object_size+0xbb/0x1b3 [ 215.746354] ? _copy_to_user+0x51/0x60 [ 215.746355] ? poll_select_copy_remaining+0xd6/0x140 [ 215.746357] exit_to_usermode_loop+0x76/0xb0 [ 215.746358] syscall_return_slowpath+0xa6/0xb0 [ 215.746359] entry_SYSCALL_64_fastpath+0xa7/0xa9 [ 215.746360] RIP: 0033:0x7f0253686cd3 [ 215.746360] RSP: 002b:00007f014c084970 EFLAGS: 00000293 ORIG_RAX: 0000000000000017 [ 215.746361] RAX: fffffffffffffdfe RBX: 00007f01942e2d80 RCX: 00007f0253686cd3 [ 215.746361] RDX: 0000000000000000 RSI: 00007f014c084998 RDI: 00000000000000dd [ 215.746362] RBP: 0000000000000000 R08: 00007f014c084988 R09: 0000000000000000 [ 215.746362] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f0193d8ec00 [ 215.746363] R13: 00007ffdc4b94320 R14: 00000000000f4240 R15: 0000000000000000 [ 215.746364] ---[ end trace 4a4848a1b1423a31 ]--- I'm unfamiliar with using apitrace, but if someone can give me proper reporting instructions I can reproduce this bug on a wide range of hardware / software if it would be helpful.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>