stress-ng --daemon -t 60 produces: [ 68.860977] BUG: scheduling while atomic: stress-ng/91343/0x00000002 [ 68.860981] Modules linked in: nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua intel_rapl_msr joydev intel_rapl_common kvm_intel kvm rapl input_leds serio_raw snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi mac_hid snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd qemu_fw_cfg soundcore sch_fq_codel msr virtio_rng ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd cryptd qxl drm_ttm_helper ttm psmouse drm_kms_helper i2c_i801 syscopyarea ahci sysfillrect i2c_smbus libahci lpc_ich sysimgblt fb_sys_fops cec rc_core virtio_blk virtio_net drm net_failover failover hid_generic usbhid hid [ 68.861023] CPU: 6 PID: 91343 Comm: stress-ng Not tainted 5.13.0-1003-realtime #3-Ubuntu [ 68.861025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 [ 68.861027] Call Trace: [ 68.861030] show_stack+0x52/0x58 [ 68.861033] dump_stack+0x7d/0x9c [ 68.861036] __schedule_bug.cold+0x4a/0x5b [ 68.861040] __schedule+0x53a/0x6b0 [ 68.861043] ? task_blocks_on_rt_mutex.constprop.0.isra.0+0x390/0x430 [ 68.861046] schedule_rtlock+0x1f/0x40 [ 68.861048] rtlock_slowlock_locked+0xf7/0x240 [ 68.861050] ? memcg_slab_post_alloc_hook+0x53/0x280 [ 68.861053] rt_spin_lock+0x46/0x70 [ 68.861055] alloc_pid+0x1b4/0x3e0 [ 68.861058] copy_process+0x9ef/0x15e0 [ 68.861062] kernel_clone+0x9d/0x350 [ 68.861064] ? ksys_write+0xba/0xf0 [ 68.861067] __do_sys_clone+0x5d/0x80 [ 68.861070] __x64_sys_clone+0x25/0x30 [ 68.861072] do_syscall_64+0x61/0xb0 [ 68.861074] ? syscall_exit_to_user_mode+0x27/0x50 [ 68.861076] ? __x64_sys_capget+0x16/0x20 [ 68.861078] ? do_syscall_64+0x6e/0xb0 [ 68.861080] ? asm_exc_page_fault+0x8/0x30 [ 68.861083] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.861085] RIP: 0033:0x7f9ba1822b59 [ 68.861087] Code: ed 0f 85 1a 01 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 41 89 c5 85 c0 0f 85 a0 00 00 [ 68.861089] RSP: 002b:00007ffc6f1aa8d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 68.861091] RAX: ffffffffffffffda RBX: 00007ffc6f1aab10 RCX: 00007f9ba1822b59 [ 68.861092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 68.861093] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f9ba133fb80 [ 68.861094] R10: 00007f9ba133fe50 R11: 0000000000000246 R12: 0000000000000000 [ 68.861095] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000064 [ 68.861118] show_signal_msg: 20 callbacks suppressed [ 68.861122] stress-ng[91343]: segfault at 7ffc6f1aa8c8 ip 00007f9ba1822c20 sp 00007ffc6f1aa8d0 error 7 in libc-2.33.so[7f9ba176b000+16b000] [ 68.861128] Code: 00 00 48 8b 15 51 22 10 00 f7 d8 41 bd ff ff ff ff 64 89 02 66 0f 1f 44 00 00 85 ed 0f 85 b0 00 00 00 44 89 e6 bf 02 00 00 00 <e8> cb 3e fb ff 48 8b 84 24 a8 00 00 00 64 48 2b 04 25 28 00 00 00
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1938918 Title: 5.13 RT kernel hits scheduling while atomic with stress-ng enosys stressor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1938918/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
