On Thu, Nov 23, 2017 at 03:24:38PM +0100, Tobias Klausmann wrote: > > On 11/23/17 2:58 AM, Dave Airlie wrote: > > On 23 November 2017 at 11:17, Laura Abbott <labbott@xxxxxxxxxx> wrote: > > > Hi, > > > > > > Fedora QA testing reported a panic when booting up VMs > > > using qmeu vga drivers > > > (https://paste.fedoraproject.org/paste/498yRWTCJv2LKIrmj4EliQ) > > > > > > [ 30.108507] ------------[ cut here ]------------ > > > [ 30.108920] kernel BUG at ./include/linux/gfp.h:408! > > > [ 30.109356] invalid opcode: 0000 [#1] SMP > > > [ 30.109700] Modules linked in: fuse nf_conntrack_netbios_ns > > > nf_conntrack_broadcast xt_CT ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 > > > xt_conntrack devlink ip_set nfnetlink ebtable_nat ebtable_broute bridge > > > 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 > > > snd_hda_codec_generic kvm_intel kvm snd_hda_intel snd_hda_codec irqbypass > > > ppdev snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm bochs_drm ttm > > > joydev drm_kms_helper virtio_balloon snd_timer snd parport_pc drm soundcore > > > parport i2c_piix4 nls_utf8 isofs squashfs zstd_decompress xxhash 8021q garp > > > mrp stp llc virtio_net > > > [ 30.115605] virtio_console virtio_scsi crct10dif_pclmul crc32_pclmul > > > crc32c_intel ghash_clmulni_intel serio_raw virtio_pci virtio_ring virtio > > > ata_generic pata_acpi qemu_fw_cfg sunrpc scsi_transport_iscsi loop > > > [ 30.117425] CPU: 0 PID: 1347 Comm: gnome-shell Not tainted > > > 4.15.0-0.rc0.git6.1.fc28.x86_64 #1 > > > [ 30.118141] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS > > > 1.10.2-2.fc27 04/01/2014 > > > [ 30.118866] task: ffff923a77e03380 task.stack: ffffa78182228000 > > > [ 30.119366] RIP: 0010:__alloc_pages_nodemask+0x35e/0x430 > > > [ 30.119810] RSP: 0000:ffffa7818222bba8 EFLAGS: 00010202 > > > [ 30.120250] RAX: 0000000000000001 RBX: 00000000014382c6 RCX: > > > 0000000000000006 > > > [ 30.120840] RDX: 0000000000000000 RSI: 0000000000000009 RDI: > > > 0000000000000000 > > > [ 30.121443] RBP: ffff923a760d6000 R08: 0000000000000000 R09: > > > 0000000000000006 > > > [ 30.122039] R10: 0000000000000040 R11: 0000000000000300 R12: > > > ffff923a729273c0 > > > [ 30.122629] R13: 0000000000000000 R14: 0000000000000000 R15: > > > ffff923a7483d400 > > > [ 30.123223] FS: 00007fe48da7dac0(0000) GS:ffff923a7cc00000(0000) > > > knlGS:0000000000000000 > > > [ 30.123896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > > [ 30.124373] CR2: 00007fe457b73000 CR3: 0000000078313000 CR4: > > > 00000000000006f0 > > > [ 30.124968] Call Trace: > > > [ 30.125186] ttm_pool_populate+0x19b/0x400 [ttm] > > > [ 30.125578] ttm_bo_vm_fault+0x325/0x570 [ttm] > > > [ 30.125964] __do_fault+0x19/0x11e > > > [ 30.126255] __handle_mm_fault+0xcd3/0x1260 > > > [ 30.126609] handle_mm_fault+0x14c/0x310 > > > [ 30.126947] __do_page_fault+0x28c/0x530 > > > [ 30.127282] do_page_fault+0x32/0x270 > > > [ 30.127593] async_page_fault+0x22/0x30 > > > [ 30.127922] RIP: 0033:0x7fe48aae39a8 > > > [ 30.128225] RSP: 002b:00007ffc21c4d928 EFLAGS: 00010206 > > > [ 30.128664] RAX: 00007fe457b73000 RBX: 000055cd4c1041a0 RCX: > > > 00007fe457b73040 > > > [ 30.129259] RDX: 0000000000300000 RSI: 0000000000000000 RDI: > > > 00007fe457b73000 > > > [ 30.129855] RBP: 0000000000000300 R08: 000000000000000c R09: > > > 0000000100000000 > > > [ 30.130457] R10: 0000000000000001 R11: 0000000000000246 R12: > > > 000055cd4c1041a0 > > > [ 30.131054] R13: 000055cd4bdfe990 R14: 000055cd4c104110 R15: > > > 0000000000000400 > > > [ 30.131648] Code: 11 01 00 0f 84 a9 00 00 00 65 ff 0d 6d cc dd 44 e9 0f > > > ff ff ff 40 80 cd 80 e9 99 fe ff ff 48 89 c7 e8 e7 f6 01 00 e9 b7 fe ff ff > > > <0f> 0b 0f ff e9 40 fd ff ff 65 48 8b 04 25 80 d5 00 00 8b 40 4c > > > [ 30.133245] RIP: __alloc_pages_nodemask+0x35e/0x430 RSP: ffffa7818222bba8 > > > [ 30.133836] ---[ end trace d4f1deb60784f40a ]--- > > > > > > This is based off of Linus' master branch at > > > c8a0739b185d11d6e2ca7ad9f5835841d1cfc765 > > > Configs are at > > > https://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/fedora.git/commit/?h=rawhide&id=0be14662c54f49b4e640868b9d67df18d39edff0 > > > > > Looks like a TTM regression due to: > > > > 0284f1ead87463bc17cf5e81a24fc65c052486f3 > > drm/ttm: add transparent huge page support for cached allocations v2 > > > > If the driver requests dma32 pages, we can end up trying to alloc huge > > dma32 pages which triggers the oops. The bochs driver always requests > > dma32 here. > > > > I'll send a rough patch once I boot it. > > > > Dave. > > > Hi Dave, > > fyi only: It looks like this is not the only regression in this cycle with > ttm, novueau seems to suffer as well [1]. Adding ttm folks. Might be useful if we have an entry for ttm in MAINTAINERS ... -Daniel > > Greetings, > > Tobias > > > [1]: > > > [ 404.918139] ------------[ cut here ]------------ > [ 404.918147] kernel BUG at mm/shmem.c:4334! > [ 404.918152] invalid opcode: 0000 [#2] PREEMPT SMP > [ 404.918157] Modules linked in: rfcomm af_packet bnep uvcvideo > videobuf2_vmalloc videobuf2_memops rtsx_usb_ms videobuf2_v4l2 memstick > videodev videobuf2_core btusb btrtl btbcm arc4 msr snd_hda_codec_hdmi > snd_hda_codec_realtek snd_hda_codec_generic joydev nls_iso8859_1 nls_cp437 > hid_multitouch vfat fat iTCO_wdt iTCO_vendor_support intel_rapl > x86_pkg_temp_thermal intel_powerclamp ath10k_pci coretemp ath10k_core ath > kvm_intel mac80211 kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel > ghash_clmulni_intel r8169 mii snd_hda_intel pcbc cfg80211 snd_hda_codec > wmi_bmof snd_hda_core snd_hwdep acer_wmi sparse_keymap snd_pcm > intel_wmi_thunderbolt aesni_intel snd_timer aes_x86_64 crypto_simd > glue_helper cryptd snd soundcore idma64 pcspkr i2c_i801 mei_me shpchp > intel_pch_thermal mei intel_lpss_pci ucsi_acpi > [ 404.918239] typec_ucsi thermal hci_uart serdev btqca tps6598x typec > btintel tpm_crb ac bluetooth tpm_tis intel_lpss_acpi tpm_tis_core > ecdh_generic battery pinctrl_sunrisepoint rfkill pinctrl_intel intel_lpss > tpm acpi_pad hid_generic usbhid rtsx_usb_sdmmc mmc_core rtsx_usb nouveau > mxm_wmi ttm serio_raw i915 i2c_algo_bit drm_kms_helper syscopyarea xhci_pci > sysfillrect sysimgblt fb_sys_fops xhci_hcd drm usbcore i2c_hid wmi video > button sg efivarfs > [ 404.918289] CPU: 1 PID: 2739 Comm: Civ6 Tainted: G D > 4.14.0-desktop-rc0-debug+ #1 > [ 404.918295] Hardware name: Acer Aspire VN7-593G/Pluto_KLS, BIOS V1.06 > 07/05/2017 > [ 404.918301] task: ffff9b3b49c7e280 task.stack: ffffb9a2035b4000 > [ 404.918308] RIP: 0010:shmem_read_mapping_page_gfp+0x4c/0x50 > [ 404.918313] RSP: 0018:ffffb9a2035b79c0 EFLAGS: 00010206 > [ 404.918317] RAX: ffff9b3b4dd17700 RBX: ffff9b3b759cb900 RCX: > ffffe4f10ac8b2c0 > [ 404.918322] RDX: 00000000014200ca RSI: 0000000000000000 RDI: > ffff9b3b4dd174e0 > [ 404.918327] RBP: ffffb9a2035b79c8 R08: 0000000000000000 R09: > ffffffffffffffff > [ 404.918332] R10: 0000000000000000 R11: 0000000000000000 R12: > 0000000000000000 > [ 404.918337] R13: ffff9b3b4dd17700 R14: ffff9b3b7253eb38 R15: > ffff9b3b75341000 > [ 404.918343] FS: 00007fa952f69700(0000) GS:ffff9b3b7ec40000(0000) > knlGS:0000000000000000 > [ 404.918348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 404.918353] CR2: 0000560940b5d000 CR3: 0000000193e94004 CR4: > 00000000003606e0 > [ 404.918358] Call Trace: > [ 404.918365] ttm_tt_swapout+0x156/0x280 [ttm] > [ 404.918371] ttm_bo_swapout+0x217/0x260 [ttm] > [ 404.918379] ttm_shrink+0xab/0xe0 [ttm] > [ 404.918384] ttm_mem_global_alloc_zone.constprop.6+0xd1/0x140 [ttm] > [ 404.918391] ttm_mem_global_alloc+0x11/0x20 [ttm] > [ 404.918397] ttm_bo_init_reserved+0x47/0x4f0 [ttm] > [ 404.918403] ttm_bo_init+0x29/0xa0 [ttm] > [ 404.918430] ? nouveau_bo_invalidate_caches+0x10/0x10 [nouveau] > [ 404.918454] nouveau_bo_new+0x3f5/0x550 [nouveau] > [ 404.918474] ? nouveau_bo_invalidate_caches+0x10/0x10 [nouveau] > [ 404.918495] nouveau_gem_new+0x48/0x100 [nouveau] > [ 404.918514] nouveau_gem_ioctl_new+0x45/0xc0 [nouveau] > [ 404.918532] ? nouveau_gem_new+0x100/0x100 [nouveau] > [ 404.918543] drm_ioctl_kernel+0x58/0xb0 [drm] > [ 404.918551] drm_ioctl+0x315/0x3d0 [drm] > [ 404.918568] ? nouveau_gem_new+0x100/0x100 [nouveau] > [ 404.918576] ? trace_hardirqs_on+0xd/0x10 > [ 404.918595] nouveau_drm_ioctl+0x6d/0xb0 [nouveau] > [ 404.918601] do_vfs_ioctl+0x8e/0x660 > [ 404.918605] ? __fget+0x102/0x1f0 > [ 404.918609] SyS_ioctl+0x74/0x80 > [ 404.918615] entry_SYSCALL_64_fastpath+0x23/0x9a > [ 404.918619] RIP: 0033:0x7fa96396d2f7 > [ 404.918622] RSP: 002b:00007fa952f43728 EFLAGS: 00000246 ORIG_RAX: > 0000000000000010 > [ 404.918628] RAX: ffffffffffffffda RBX: 00007fa93cad59c0 RCX: > 00007fa96396d2f7 > [ 404.918633] RDX: 00007fa952f43780 RSI: 00000000c0306480 RDI: > 0000000000000022 > [ 404.918638] RBP: 0000000000100000 R08: 0000000000000000 R09: > 0000000000000000 > [ 404.918643] R10: 00007fa852fa0260 R11: 0000000000000246 R12: > 00007fa91c053370 > [ 404.918648] R13: 0000000000100000 R14: 00007fa93e579a70 R15: > 00007fa8530a1aa0 > [ 404.918656] Code: 8d 55 f8 6a 00 45 31 c9 b9 01 00 00 00 e8 6d f0 ff ff > 85 c0 5a 59 74 04 48 98 c9 c3 48 8b 7d f8 e8 fa de fd ff 48 8b 45 f8 c9 c3 > <0f> 0b 66 90 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb 48 83 ec > [ 404.918698] RIP: shmem_read_mapping_page_gfp+0x4c/0x50 RSP: > ffffb9a2035b79c0 > [ 404.918711] ---[ end trace 53b254d8157cf0e7 ]--- > > > > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
