<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - kernel BUG at fs/ext4/inode.c:2721!" href="https://bugs.freedesktop.org/show_bug.cgi?id=112012#c3">Comment # 3</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - kernel BUG at fs/ext4/inode.c:2721!" href="https://bugs.freedesktop.org/show_bug.cgi?id=112012">bug 112012</a> from <a class="email" href="mailto:oyvinds@everdot.org" title="Öyvind Saether <oyvinds@everdot.org>"> Öyvind Saether</a> <pre>Acer laptop, Intel(R) Pentium(R) CPU N4200Intel(R) Pentium(R) CPU N4200. Kernel 5.3.8. Just compiled and tried the 5.3.x kernel. Got the following in dmesg, no hang (yet) but the following is concerning: [ 50.138567] WARNING: CPU: 1 PID: 1330 at fs/ext4/inode.c:3941 ext4_set_page_dirty+0x3e/0x50 [ 50.138569] Modules linked in: rfcomm nf_conntrack_irc nf_conntrack_sip iptable_raw xt_CT nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_rt xt_state xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6table_filter ip6_tables sunrpc lz4 lz4_compress bnep vfat fat snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core iwlmvm snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_compress ac97_bus ledtrig_audio snd_pcm_dmaengine snd_hda_intel snd_hda_codec intel_telemetry_pltdrv intel_punit_ipc intel_telemetry_core x86_pkg_temp_thermal intel_powerclamp coretemp snd_hwdep kvm_intel snd_hda_core btusb btrtl btbcm kvm btintel iwlwifi uvcvideo bluetooth snd_seq videobuf2_vmalloc videobuf2_memops snd_seq_device videobuf2_v4l2 snd_pcm videobuf2_common videodev joydev mei_hdcp intel_rapl_msr hid_multitouch acer_wmi wmi_bmof sparse_keymap irqbypass snd_timer intel_cstate mei_me snd [ 50.138610] intel_rapl_perf mei mc processor_thermal_device intel_rapl_common wdat_wdt ecdh_generic pcspkr idma64 i2c_i801 intel_lpss_pci lpc_ich ecc int340x_thermal_zone intel_xhci_usb_role_switch soundcore bfq intel_lpss intel_soc_dts_iosf roles int3400_thermal wmi acpi_thermal_rel acer_wireless int3406_thermal dm_crypt i915 i2c_algo_bit cec rc_core drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm mmc_block rtsx_usb_sdmmc sdhci_pci cqhci sdhci mmc_core crct10dif_pclmul crc32_pclmul serio_raw ghash_clmulni_intel rtsx_usb video i2c_hid pinctrl_broxton pinctrl_intel fuse [ 50.138638] CPU: 1 PID: 1330 Comm: kworker/u8:4 Not tainted 5.3.8-Seohyun #1 [ 50.138639] Hardware name: Acer Swift SF113-31/ASAHI_AP_S, BIOS V1.12 03/30/2018 [ 50.138700] Workqueue: i915 __i915_gem_free_work [i915] [ 50.138704] RIP: 0010:ext4_set_page_dirty+0x3e/0x50 [ 50.138706] Code: 48 8b 00 a8 01 75 16 48 8b 57 08 48 8d 42 ff 83 e2 01 48 0f 44 c7 48 8b 00 a8 08 74 0d 48 8b 07 f6 c4 20 74 0f e9 92 e7 f7 ff <0f> 0b 48 8b 07 f6 c4 20 75 f1 0f 0b e9 81 e7 f7 ff 90 0f 1f 44 00 [ 50.138707] RSP: 0018:ffffc1e60137fd90 EFLAGS: 00010246 [ 50.138709] RAX: 0017ffe000002016 RBX: ffff9e337236a200 RCX: 0000000000000000 [ 50.138710] RDX: 0000000000000000 RSI: 0000000121400000 RDI: fffff3ecc498ea40 [ 50.138711] RBP: fffff3ecc498ea40 R08: 0000000121400000 R09: 0000000000000000 [ 50.138712] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000001263a9 [ 50.138713] R13: ffff9e3322c11b00 R14: ffff9e33367f9ca0 R15: 0000000000000000 [ 50.138714] FS: 0000000000000000(0000) GS:ffff9e337ba80000(0000) knlGS:0000000000000000 [ 50.138715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.138716] CR2: 000055fb74151f10 CR3: 000000013c60a000 CR4: 00000000003406e0 [ 50.138717] Call Trace: [ 50.138767] i915_gem_userptr_put_pages+0x14b/0x1e0 [i915] [ 50.138812] __i915_gem_object_put_pages+0x5b/0xa0 [i915] [ 50.138854] __i915_gem_free_objects+0x124/0x230 [i915] [ 50.138898] __i915_gem_free_work+0x64/0x90 [i915] [ 50.138902] process_one_work+0x199/0x340 [ 50.138905] worker_thread+0x4e/0x3b0 [ 50.138907] kthread+0xfc/0x130 [ 50.138910] ? process_one_work+0x340/0x340 [ 50.138912] ? kthread_park+0x80/0x80 [ 50.138915] ret_from_fork+0x35/0x40 [ 50.138919] ---[ end trace ca5ea2ec07e00336 ]--- It looks like this is the same bug as originally reported by Holmes. Please let me know if/how I can provide additional useful information.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>