Re: [PATCH net-next] devlink: report devlink_port_type_warn source device

From: Pavan Chebbi
Date: Thu Jun 15 2023 - 06:16:38 EST


On Thu, Jun 15, 2023 at 3:25 PM Petr Oros <poros@xxxxxxxxxx> wrote:
>
> devlink_port_type_warn is scheduled for port devlink and warning
> when the port type is not set. But from this warning it is not easy
> found out which device (driver) has no devlink port set.
>
> [ 3709.975552] Type was not set for devlink port.
> [ 3709.975579] WARNING: CPU: 1 PID: 13092 at net/devlink/leftover.c:6775 devlink_port_type_warn+0x11/0x20
> [ 3709.993967] Modules linked in: openvswitch nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nfnetlink bluetooth rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache netfs vhost_net vhost vhost_iotlb tap tun bridge stp llc qrtr intel_rapl_msr intel_rapl_common i10nm_edac nfit libnvdimm x86_pkg_temp_thermal mlx5_ib intel_powerclamp coretemp dell_wmi ledtrig_audio sparse_keymap ipmi_ssif kvm_intel ib_uverbs rfkill ib_core video kvm iTCO_wdt acpi_ipmi intel_vsec irqbypass ipmi_si iTCO_vendor_support dcdbas ipmi_devintf mei_me ipmi_msghandler rapl mei intel_cstate isst_if_mmio isst_if_mbox_pci dell_smbios intel_uncore isst_if_common i2c_i801 dell_wmi_descriptor wmi_bmof i2c_smbus intel_pch_thermal pcspkr acpi_power_meter xfs libcrc32c sd_mod sg nvme_tcp mgag200 i2c_algo_bit nvme_fabrics drm_shmem_helper drm_kms_helper nvme syscopyarea ahci sysfillrect sysimgblt nvme_core fb_sys_fops crct10dif_pclmul libahci mlx5_core sfc crc32_pclmul nvme_common drm
> [ 3709.994030] crc32c_intel mtd t10_pi mlxfw libata tg3 mdio megaraid_sas psample ghash_clmulni_intel pci_hyperv_intf wmi dm_multipath sunrpc dm_mirror dm_region_hash dm_log dm_mod be2iscsi bnx2i cnic uio cxgb4i cxgb4 tls libcxgbi libcxgb qla4xxx iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi fuse
> [ 3710.108431] CPU: 1 PID: 13092 Comm: kworker/1:1 Kdump: loaded Not tainted 5.14.0-319.el9.x86_64 #1
> [ 3710.108435] Hardware name: Dell Inc. PowerEdge R750/0PJ80M, BIOS 1.8.2 09/14/2022
> [ 3710.108437] Workqueue: events devlink_port_type_warn
> [ 3710.108440] RIP: 0010:devlink_port_type_warn+0x11/0x20
> [ 3710.108443] Code: 84 76 fe ff ff 48 c7 03 20 0e 1a ad 31 c0 e9 96 fd ff ff 66 0f 1f 44 00 00 0f 1f 44 00 00 48 c7 c7 18 24 4e ad e8 ef 71 62 ff <0f> 0b c3 cc cc cc cc 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f6 87
> [ 3710.108445] RSP: 0018:ff3b6d2e8b3c7e90 EFLAGS: 00010282
> [ 3710.108447] RAX: 0000000000000000 RBX: ff366d6580127080 RCX: 0000000000000027
> [ 3710.108448] RDX: 0000000000000027 RSI: 00000000ffff86de RDI: ff366d753f41f8c8
> [ 3710.108449] RBP: ff366d658ff5a0c0 R08: ff366d753f41f8c0 R09: ff3b6d2e8b3c7e18
> [ 3710.108450] R10: 0000000000000001 R11: 0000000000000023 R12: ff366d753f430600
> [ 3710.108451] R13: ff366d753f436900 R14: 0000000000000000 R15: ff366d753f436905
> [ 3710.108452] FS: 0000000000000000(0000) GS:ff366d753f400000(0000) knlGS:0000000000000000
> [ 3710.108453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 3710.108454] CR2: 00007f1c57bc74e0 CR3: 000000111d26a001 CR4: 0000000000773ee0
> [ 3710.108456] PKRU: 55555554
> [ 3710.108457] Call Trace:
> [ 3710.108458] <TASK>
> [ 3710.108459] process_one_work+0x1e2/0x3b0
> [ 3710.108466] ? rescuer_thread+0x390/0x390
> [ 3710.108468] worker_thread+0x50/0x3a0
> [ 3710.108471] ? rescuer_thread+0x390/0x390
> [ 3710.108473] kthread+0xdd/0x100
> [ 3710.108477] ? kthread_complete_and_exit+0x20/0x20
> [ 3710.108479] ret_from_fork+0x1f/0x30
> [ 3710.108485] </TASK>
> [ 3710.108486] ---[ end trace 1b4b23cd0c65d6a0 ]---
>
> After patch:
> [ 402.473064] ice 0000:41:00.0: Type was not set for devlink port.
> [ 402.473064] ice 0000:41:00.1: Type was not set for devlink port.
>
> Signed-off-by: Petr Oros <poros@xxxxxxxxxx>
> ---

Looks good to me.
Reviewed-by: Pavan Chebbi <pavan.chebbi@xxxxxxxxxxxx>


> 2.41.0
>
>

Attachment: smime.p7s
Description: S/MIME Cryptographic Signature