stress-ng --af-alg 0 -t 60 (a few rounds) produces: [ 99.445636] BUG: scheduling while atomic: kthreadd/2/0x00000002 [ 99.445647] Modules linked in: chacha_generic chacha_x86_64 libchacha xxhash_generic wp512 streebog_generic sm3_generic sha3_generic rmd160 poly1305_generic poly1305_x86_64 nhpoly1305_avx2 nhpoly1305_sse2 nhpoly1305 libpoly1305 michael_mic md4 cmac ccm algif_rng twofish_generic twofish_avx_x86_64 twofish_x86_64_3way twofish_x86_64 twofish_common sm4_generic serpent_avx2 serpent_avx_x86_64 serpent_sse2_x86_64 serpent_generic fcrypt des3_ede_x86_64 des_generic libdes cast6_avx_x86_64 cast6_generic cast5_avx_x86_64 cast5_generic cast_common camellia_generic camellia_aesni_avx2 camellia_aesni_avx_x86_64 camellia_x86_64 blowfish_generic blowfish_x86_64 blowfish_common algif_skcipher algif_hash aegis128 aegis128_aesni algif_aead af_alg 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 mac_hid snd_intel_sdw_acpi snd_hda_codec [ 99.445686] 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 i2c_i801 drm_kms_helper ahci lpc_ich i2c_smbus libahci syscopyarea sysfillrect sysimgblt virtio_net fb_sys_fops net_failover virtio_blk failover cec rc_core drm hid_generic usbhid hid [ 99.445721] CPU: 6 PID: 2 Comm: kthreadd Not tainted 5.13.0-1003-realtime #3-Ubuntu [ 99.445723] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 [ 99.445726] Call Trace: [ 99.445728] show_stack+0x52/0x58 [ 99.445745] dump_stack+0x7d/0x9c [ 99.445750] __schedule_bug.cold+0x4a/0x5b [ 99.445755] __schedule+0x53a/0x6b0 [ 99.445761] ? task_blocks_on_rt_mutex.constprop.0.isra.0+0x390/0x430 [ 99.445765] schedule_rtlock+0x1f/0x40 [ 99.445766] rtlock_slowlock_locked+0xf7/0x240 [ 99.445768] rt_spin_lock+0x46/0x70 [ 99.445769] alloc_pid+0x1b4/0x3e0 [ 99.445779] copy_process+0x9ef/0x15e0 [ 99.445783] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 99.445786] kernel_clone+0x9d/0x350 [ 99.445788] kernel_thread+0x55/0x70 [ 99.445790] ? __kthread_parkme+0xa0/0xa0 [ 99.445794] kthreadd+0x29b/0x2f0 [ 99.445795] ? kthread_is_per_cpu+0x30/0x30 [ 99.445797] ret_from_fork+0x22/0x30
-- 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
