https://bugzilla.kernel.org/show_bug.cgi?id=198923 Theodore Tso (tytso@xxxxxxx) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tytso@xxxxxxx --- Comment #1 from Theodore Tso (tytso@xxxxxxx) --- This looks like it's a SCSI issue. The first soft lockup complaint is: [ 246.760015] INFO: task kworker/u16:2:220 blocked for more than 120 seconds. [ 246.760020] Tainted: G W 4.16.0-1-mainline #1 [ 246.760021] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 246.760023] kworker/u16:2 D 0 220 2 0x80000000 [ 246.760029] Workqueue: events_freezable_power_ disk_events_workfn [ 246.760031] Call Trace: [ 246.760037] ? __schedule+0x24b/0x8a0 [ 246.760039] ? __clear_rsb+0x15/0x3d [ 246.760042] ? preempt_count_add+0x68/0xa0 [ 246.760046] schedule+0x32/0x90 [ 246.760056] scsi_block_when_processing_errors+0x4a/0x100 [scsi_mod] [ 246.760059] ? wait_woken+0x80/0x80 [ 246.760063] sd_check_events+0x75/0x1a0 [sd_mod] [ 246.760069] disk_check_events+0x69/0x150 [ 246.760072] process_one_work+0x1ce/0x3f0 [ 246.760074] worker_thread+0x2b/0x3d0 [ 246.760076] ? process_one_work+0x3f0/0x3f0 [ 246.760078] kthread+0x113/0x130 [ 246.760079] ? kthread_create_on_node+0x70/0x70 [ 246.760081] ret_from_fork+0x22/0x40 Before that there is a RCU warning which might or might not be related: [ 82.065830] WARNING: CPU: 6 PID: 54 at kernel/rcu/tree.c:2713 rcu_do_batch.isra.29+0x231/0x250 [ 82.065833] Modules linked in: tun cmac rfcomm input_leds joydev led_class bnep it87 hwmon_vid btusb btrtl btbcm btintel bluetooth amdkfd amd_iommu_v2 ecdh_generic nls_iso8859_1 cdc_acm rfkill nls_cp437 vfat fat amdgpu edac_mce_amd mousedev ext4 kvm_amd ccp crc16 mbcache mxm_wmi jbd2 kvm fscrypto snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi irqbypass crct10dif_pclmul chash gpu_sched ghash_clmulni_intel ttm snd_hda_intel pcbc snd_hda_codec drm_kms_helper snd_hda_core aesni_intel aes_x86_64 drm crypto_simd snd_hwdep glue_helper snd_pcm cryptd sp5100_tco agpgart r8169 fam15h_power snd_timer syscopyarea sysfillrect sysimgblt k10temp snd mii fb_sys_fops i2c_piix4 i2c_algo_bit soundcore evdev wmi shpchp rtc_cmos acpi_cpufreq mac_hid sch_fq_codel ecryptfs cbc encrypted_keys trusted tpm [ 82.065935] rng_core sg crypto_user ip_tables x_tables hid_generic usbhid hid btrfs xor zstd_decompress zstd_compress xxhash raid6_pq sr_mod cdrom sd_mod ohci_pci ahci xhci_pci ehci_pci libahci firewire_ohci xhci_hcd ehci_hcd ohci_hcd libata firewire_core crc_itu_t usbcore scsi_mod usb_common crc32_pclmul libcrc32c crc32c_generic crc32c_intel [ 82.065984] CPU: 6 PID: 54 Comm: rcuc/6 Not tainted 4.16.0-1-mainline #1 [ 82.065986] Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./990FXA-UD3, BIOS F3i 10/07/2014 [ 82.065992] RIP: 0010:rcu_do_batch.isra.29+0x231/0x250 [ 82.065994] RSP: 0018:ffffac3f41a8fe50 EFLAGS: 00010002 [ 82.065997] RAX: ffffffffffffd800 RBX: ffff8a28beda24c0 RCX: 0000000100200001 [ 82.065999] RDX: 0000000000000006 RSI: ffffac3f41a8fe50 RDI: ffff8a28beda24f8 [ 82.066004] RBP: ffff8a28beda24f8 R08: 0000000000000001 R09: ffffffff860efe39 [ 82.066006] R10: ffffac3f41a97e30 R11: 0000000000000001 R12: 0000000000000246 [ 82.066008] R13: ffffffff87052410 R14: ffffffffffffffff R15: ffffffff8609e850 [ 82.066012] FS: 0000000000000000(0000) GS:ffff8a28bed80000(0000) knlGS:0000000000000000 [ 82.066014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.066019] CR2: 00007f6674e81000 CR3: 00000003cfb8e000 CR4: 00000000000406e0 [ 82.066022] Call Trace: [ 82.066033] ? rcu_cpu_kthread+0x49/0x2d0 [ 82.066039] ? sort_range+0x20/0x20 [ 82.066044] rcu_cpu_kthread+0x10d/0x2d0 [ 82.066050] ? sort_range+0x20/0x20 [ 82.066062] smpboot_thread_fn+0x19e/0x240 [ 82.066064] kthread+0x113/0x130 [ 82.066065] ? kthread_create_on_node+0x70/0x70 [ 82.066067] ret_from_fork+0x22/0x40 [ 82.066069] Code: 48 83 6c 24 18 01 e9 e8 fe ff ff 48 3b 15 50 25 f6 00 0f 8f 6b ff ff ff 48 8b 05 53 25 f6 00 48 89 83 b0 00 00 00 e9 58 ff ff ff <0f> 0b eb 8d 0f 0b e9 65 fe ff ff e8 7f b3 f8 ff 0f 1f 44 00 00 [ 82.066091] ---[ end trace e53b91b9c6245d1c ]--- Since this reliably reproduces for you with 4.15.4, if 4.15.3 was the last good version, I'd suggest doing a kernel bisection to see if you can isolate the commit which introduced the regression. -- You are receiving this mail because: You are watching the assignee of the bug.
