[PATCH v4] nvme-tcp: send H2CData PDUs based on MAXH2CDATA
Keith Busch
kbusch at kernel.org
Fri Mar 4 13:11:48 PST 2022
Correction from the testing side, the below error was introduced
sometime after the most recent 5.15 stable and current 5.17-rc6. It has
nothing to do with this patch. I've requested a bisect to identify the
actual commit, and will report back any findings.
> [Tue Mar 1 13:13:19 2022] nvme nvme0: Removing ctrl: NQN "nqn.2015-09.com.wdc:nvme.1"
> [Tue Mar 1 13:13:19 2022] ------------[ cut here ]------------
> [Tue Mar 1 13:13:19 2022] WARNING: CPU: 5 PID: 41414 at kernel/rcu/srcutree.c:373 cleanup_srcu_struct+0xe8/0xf0
> [Tue Mar 1 13:13:19 2022] Modules linked in: nvme_tcp(OE) nvme_rdma nvme_fabrics nvme nvme_core ib_umad rdma_ucm rdma_cm iw_cm ib_cm snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore cmac nls_utf8 cifs cifs_arc4 cifs_md4 fscache netfs cuse ipmi_ssif binfmt_misc nls_iso8859_1 intel_rapl_msr intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp drm_vram_helper crct10dif_pclmul ghash_clmulni_intel drm_ttm_helper aesni_intel ttm crypto_simd drm_kms_helper cryptd cec rc_core fb_sys_fops rapl syscopyarea sysfillrect joydev input_leds sysimgblt intel_cstate efi_pstore mei_me ioatdma mei acpi_ipmi ipmi_si acpi_power_meter acpi_pad mac_hid sch_fq_codel ipmi_devintf ipmi_msghandler msr parport_pc ppdev lp parport drm ip_tables x_tables autofs4 mlx5_ib ib_uverbs ib_core hid_generic usbhid hid mlx5_core crc32_pclmul igb mlxfw psample i2c_i801 i2c_algo_bit ahci i2c_smbus lpc_ich xhci_pci dca tls libahci xhci_pci_renesas
> [Tue Mar 1 13:13:19 2022] pci_hyperv_intf wmi
> [Tue Mar 1 13:13:19 2022] CPU: 5 PID: 41414 Comm: nvme Tainted: G OE 5.17.0-051700rc4-generic #202202132130
> [Tue Mar 1 13:13:19 2022] Hardware name: Supermicro SYS-5018R-WR/X10SRW-F, BIOS 2.0a 08/02/2016
> [Tue Mar 1 13:13:19 2022] RIP: 0010:cleanup_srcu_struct+0xe8/0xf0
> [Tue Mar 1 13:13:19 2022] Code: ff 84 c0 0f 85 f9 45 b0 00 49 8b bd f0 c3 00 00 e8 cd 37 17 00 49 c7 85 f0 c3 00 00 00 00 00 00 5b 41 5c 41 5d 5d c3 0f 0b c3 <0f> 0b eb b5 0f 0b 66 90 0f 1f 44 00 00 48 8b 7f 28 f0 ff 8f 40 c4
> [Tue Mar 1 13:13:19 2022] RSP: 0018:ffff97844b7cfac8 EFLAGS: 00010202
> [Tue Mar 1 13:13:19 2022] RAX: 0000000000000001 RBX: ffff888575920080 RCX: 0000000000000010
> [Tue Mar 1 13:13:19 2022] RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000010
> [Tue Mar 1 13:13:19 2022] RBP: ffff97844b7cfae0 R08: 0000000000000000 R09: 0000000000000000
> [Tue Mar 1 13:13:19 2022] R10: 0000000000000010 R11: 0000000000000000 R12: ffff888575920000
> [Tue Mar 1 13:13:19 2022] R13: ffff888575920578 R14: 0000000000000000 R15: ffff888512eecfc0
> [Tue Mar 1 13:13:19 2022] FS: 00007f010e45c740(0000) GS:ffff888c5fb40000(0000) knlGS:0000000000000000
> [Tue Mar 1 13:13:19 2022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [Tue Mar 1 13:13:19 2022] CR2: 00007ffe64848e98 CR3: 00000002765f4002 CR4: 00000000003706e0
> [Tue Mar 1 13:13:19 2022] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [Tue Mar 1 13:13:19 2022] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [Tue Mar 1 13:13:19 2022] Call Trace:
> [Tue Mar 1 13:13:19 2022] <TASK>
> [Tue Mar 1 13:13:19 2022] blk_release_queue+0x10d/0x110
> [Tue Mar 1 13:13:19 2022] kobject_cleanup+0x41/0x140
> [Tue Mar 1 13:13:19 2022] kobject_put+0x53/0x70
> [Tue Mar 1 13:13:19 2022] blk_put_queue+0x12/0x20
> [Tue Mar 1 13:13:19 2022] disk_release+0x63/0x80
> [Tue Mar 1 13:13:19 2022] device_release+0x3b/0xa0
> [Tue Mar 1 13:13:19 2022] kobject_cleanup+0x41/0x140
> [Tue Mar 1 13:13:19 2022] kobject_put+0x53/0x70
> [Tue Mar 1 13:13:19 2022] put_device+0x13/0x20
> [Tue Mar 1 13:13:19 2022] put_disk+0x1b/0x20
> [Tue Mar 1 13:13:19 2022] nvme_free_ns+0x28/0x160 [nvme_core]
> [Tue Mar 1 13:13:19 2022] nvme_ns_remove+0x124/0x1b0 [nvme_core]
> [Tue Mar 1 13:13:19 2022] nvme_remove_namespaces+0xb0/0xf0 [nvme_core]
> [Tue Mar 1 13:13:19 2022] nvme_do_delete_ctrl+0x5d/0x7a [nvme_core]
> [Tue Mar 1 13:13:19 2022] nvme_sysfs_delete.cold+0x8/0xd [nvme_core]
> [Tue Mar 1 13:13:19 2022] dev_attr_store+0x17/0x30
> [Tue Mar 1 13:13:19 2022] sysfs_kf_write+0x3e/0x50
> [Tue Mar 1 13:13:19 2022] kernfs_fop_write_iter+0x137/0x1c0
> [Tue Mar 1 13:13:19 2022] new_sync_write+0x117/0x1a0
> [Tue Mar 1 13:13:19 2022] ? get_kcore_size+0xf0/0xf0
> [Tue Mar 1 13:13:19 2022] vfs_write+0x1f3/0x290
> [Tue Mar 1 13:13:19 2022] ksys_write+0x67/0xe0
> [Tue Mar 1 13:13:19 2022] __x64_sys_write+0x19/0x20
> [Tue Mar 1 13:13:19 2022] do_syscall_64+0x5c/0xc0
> [Tue Mar 1 13:13:19 2022] ? do_sys_openat2+0x87/0x160
> [Tue Mar 1 13:13:19 2022] ? exit_to_user_mode_prepare+0x37/0xb0
> [Tue Mar 1 13:13:19 2022] ? syscall_exit_to_user_mode+0x27/0x50
> [Tue Mar 1 13:13:19 2022] ? do_syscall_64+0x69/0xc0
> [Tue Mar 1 13:13:19 2022] ? exit_to_user_mode_prepare+0x37/0xb0
> [Tue Mar 1 13:13:19 2022] ? irqentry_exit_to_user_mode+0x9/0x20
> [Tue Mar 1 13:13:19 2022] ? irqentry_exit+0x33/0x40
> [Tue Mar 1 13:13:19 2022] ? exc_page_fault+0x89/0x180
> [Tue Mar 1 13:13:19 2022] ? asm_exc_page_fault+0x8/0x30
> [Tue Mar 1 13:13:19 2022] entry_SYSCALL_64_after_hwframe+0x44/0xae
> [Tue Mar 1 13:13:19 2022] RIP: 0033:0x7f010e577a37
> [Tue Mar 1 13:13:19 2022] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
> [Tue Mar 1 13:13:19 2022] RSP: 002b:00007ffdd3c13538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
> [Tue Mar 1 13:13:19 2022] RAX: ffffffffffffffda RBX: 0000000000000037 RCX: 00007f010e577a37
> [Tue Mar 1 13:13:19 2022] RDX: 0000000000000001 RSI: 0000557cd45d4e8e RDI: 0000000000000003
> [Tue Mar 1 13:13:19 2022] RBP: 0000000000000003 R08: 0000557cd5dcd4a0 R09: 0000557cd5dcd510
> [Tue Mar 1 13:13:19 2022] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557cd5dcd510
> [Tue Mar 1 13:13:19 2022] R13: 0000557cd45ed060 R14: 0000000000000000 R15: 0000000000000003
> [Tue Mar 1 13:13:19 2022] </TASK>
> [Tue Mar 1 13:13:19 2022] ---[ end trace 0000000000000000 ]---
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