Hi, (Sorry to repost, Clicked "Reply" instead of "Reply to all") I don't use 'git bisect' for now, Will report back when I have enough time to setup a separate host for 'git bisect', According to new observations, It seems it's triggered when user tries to use the rdma link over the veth pair, I see the same issue with different NIC, The network is something like veth-port-a <--> br-with-vlan-filtering[veth-port-ap, other-phy-ports] The error are as almost same follows: [657667.100894] ------------[ cut here ]------------ [657667.100909] WARNING: CPU: 0 PID: 738197 at drivers/infiniband/sw/rxe/rxe_net.c:357 rxe_skb_tx_dtor+0xbc/0x110 [rdma_rxe] [657667.100952] Modules linked in: rdma_rxe xt_addrtype xt_mark xt_comment macvtap macvlan overlay iscsi_target_mod target_core_user uio target_core_pscsi target_core_file target_core_iblock target_core_mod nvmet_tcp brd xt_tcpudp xt_nat xt_multiport xt_conntrack xt_set ip_set bcache pppoe pppox ppp_generic slhc nbd zram virtio_vdpa vduse vdpa nvme_rdma nvmet_rdma nvmet nvme_tcp nvme_fabrics nvme_keyring msr thermal rt2800usb rt2x00usb rt2800lib rt2x00lib mac80211 nf_nat_pptp nf_conntrack_pptp nf_conntrack_tftp nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_conntrack_ftp nct6775 nct6775_core hwmon_vid vhost_net tun vhost vhost_iotlb tap k10temp iptable_nat xt_MASQUERADE rpcsec_gss_krb5 iptable_filter ip_tables x_tables tcp_diag inet_diag wireguard curve25519_x86_64 libcurve25519_generic libchacha20poly1305 chacha_x86_64 poly1305_x86_64 ip6_udp_tunnel udp_tunnel libchacha nfsv4 nfs netfs veth bridge bonding tls nft_nat nft_masq nft_chain_nat nf_nat nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cfg80211 [657667.101117] nf_tables rfkill 8021q garp mrp stp llc rpcrdma rdma_ucm ib_iser ib_umad rdma_cm ib_ipoib iw_cm ib_cm coretemp intel_uncore_frequency intel_uncore_frequency_common ee1004 evdev mxm_wmi x86_pkg_temp_thermal kvm_intel kvm rapl intel_cstate i2c_i801 intel_uncore i2c_mux pcspkr i2c_smbus i915 rtc_cmos intel_gtt i2c_algo_bit drm_buddy video drm_display_helper intel_pmc_core wmi ttm intel_vsec cec pmt_telemetry drm_kms_helper pmt_class button acpi_pad mlx4_ib ib_uverbs ib_core nfsd sch_fq_codel auth_rpcgss nfs_acl lockd grace sunrpc drm fuse loop dm_snapshot raid0 dm_cache_smq dm_cache dm_persistent_data dm_bio_prison dm_bufio mlx4_en sd_mod crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel sha512_ssse3 sha256_ssse3 sha1_ssse3 nvme ahci ixgbe libahci mdio mdio_devres nvme_core libphy e1000e hwmon aesni_intel crypto_simd xhci_pci ptp i2c_core nvme_auth libata mlx4_core xhci_hcd dm_mirror dm_region_hash dm_log be2iscsi iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_multipath dm_mod efivarfs [657667.101341] dmi_sysfs [657667.101392] CPU: 0 UID: 0 PID: 738197 Comm: kworker/u9:2 Tainted: G W I 6.12.18-gentoo #2 [657667.101409] Tainted: [W]=WARN, [I]=FIRMWARE_WORKAROUND [657667.101415] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./B150A-X1/Hyper, BIOS P7.20 11/18/2016 [657667.101425] RIP: 0010:rxe_skb_tx_dtor+0xbc/0x110 [rdma_rxe] [657667.101449] Code: 00 f0 0f c1 87 80 00 00 00 83 f8 01 74 3a 85 c0 7f 96 5b be 03 00 00 00 5d 48 89 d7 41 5c e9 cb 4a 95 df 41 f6 04 24 01 75 27 <0f> 0b 5b 5d 41 5c c3 83 e8 01 83 f8 0f 77 a3 49 8d bc 24 d8 03 00 [657667.101464] RSP: 0018:ffffc90000003d60 EFLAGS: 00010246 [657667.101474] RAX: 0000000000000000 RBX: ffff8881033dde00 RCX: 0000000000000000 [657667.101482] RDX: ffff888233873d00 RSI: 000000000000000e RDI: ffff888233873d00 [657667.101490] RBP: 0000000000000000 R08: 004041d5d8b05506 R09: f96183f30388e37b [657667.101498] R10: 0000000000000000 R11: ffff888101b70980 R12: ffff888101b70000 [657667.101506] R13: ffff88810704ca40 R14: 00000000fffffea4 R15: ffff88810034ca40 [657667.101514] FS: 0000000000000000(0000) GS:ffff888463c00000(0000) knlGS:0000000000000000 [657667.101523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [657667.101530] CR2: 00007fb41fadd7e0 CR3: 00000001c52fa005 CR4: 00000000003726f0 [657667.101539] Call Trace: [657667.101546] <IRQ> [657667.101551] ? rxe_skb_tx_dtor+0xbc/0x110 [rdma_rxe] [657667.101572] ? __warn.cold+0x93/0xed [657667.101590] ? rxe_skb_tx_dtor+0xbc/0x110 [rdma_rxe] [657667.101609] ? report_bug+0xe2/0x170 [657667.101622] ? handle_bug+0x4f/0x90 [657667.101632] ? exc_invalid_op+0x13/0x60 [657667.101641] ? asm_exc_invalid_op+0x16/0x20 [657667.101656] ? rxe_skb_tx_dtor+0xbc/0x110 [rdma_rxe] [657667.101675] skb_release_head_state+0x20/0x90 [657667.101685] napi_consume_skb+0x3e/0x100 [657667.101696] ixgbe_poll+0x21c/0x1210 [ixgbe] [657667.101740] __napi_poll+0x25/0x150 [657667.101753] net_rx_action+0x301/0x370 [657667.101767] ? wakeup_preempt+0x2f/0x60 [657667.101775] ? __raise_softirq_irqoff+0x16/0x70 [657667.101787] ? ixgbe_msix_clean_rings+0x39/0x40 [ixgbe] [657667.101812] handle_softirqs+0xf1/0x2b0 [657667.101825] irq_exit_rcu+0x74/0xd0 [657667.101835] common_interrupt+0xb8/0xd0 [657667.101846] </IRQ> [657667.101850] <TASK> [657667.101855] asm_common_interrupt+0x22/0x40 [657667.101867] RIP: 0010:finish_task_switch.isra.0+0xdc/0x2e0 [657667.101881] Code: 01 00 00 f0 41 ff 4d 00 0f 84 60 01 00 00 81 7d d4 80 00 00 00 0f 84 60 01 00 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <49> 8b 9e 00 03 00 00 48 85 db 74 bb 48 8b 43 10 48 89 df 65 8b 35 [657667.101895] RSP: 0018:ffffc9000607fda8 EFLAGS: 00000282 [657667.101903] RAX: 0000000080000001 RBX: ffff888463c33940 RCX: 0000000000000000 [657667.101910] RDX: 0000000000000002 RSI: ffffffff8214864a RDI: 00000000ffffffff [657667.101918] RBP: ffffc9000607fdd8 R08: 00000000000162ad R09: ffff8881bbef2dc0 [657667.101925] R10: ffff888103b9b510 R11: 0000000000000000 R12: ffff8881bbef2dc0 [657667.101932] R13: 0000000000000000 R14: ffff888233873d00 R15: 0000000000000000 [657667.101944] ? finish_task_switch.isra.0+0xa0/0x2e0 [657667.101957] __schedule+0x3dd/0x14d0 [657667.101966] ? flush_delayed_work+0x40/0x40 [657667.101982] schedule+0x26/0xf0 [657667.101989] worker_thread+0x209/0x430 [657667.102002] ? _raw_spin_lock_irqsave+0x17/0x40 [657667.102014] ? flush_delayed_work+0x40/0x40 [657667.102026] kthread+0xda/0x110 [657667.102036] ? kthread_park+0x80/0x80 [657667.102046] ret_from_fork+0x2d/0x50 [657667.102054] ? kthread_park+0x80/0x80 [657667.102064] ret_from_fork_asm+0x11/0x20 [657667.102079] </TASK> [657667.102083] ---[ end trace 0000000000000000 ]--- On Thu, Dec 26, 2024 at 7:50 AM Zhu Yanjun <yanjun.zhu@xxxxxxxxx> wrote: > > 在 2024/12/25 21:04, Yiyi Hu 写道: > > Hi, I'm using 6.6.x kernel, after I upgraded to kernel 6.12.x for my > > home server, I got the following error. Which causes soft rdma doesn't > > work for 6.12.x with my setup. > > I read this bug descriptions for several times. To be honest, I am also > confused with this problem. > > It seems that with 6.6.x kernel, it can work well. And with 6.12.x, it > can not work. > > So maybe "git bisect" is a good tool to find the commit that causes this > problems. > > Zhu Yanjun > > > > > The kernel warning is: > > > > # [ 134.041117] ------------[ cut here ]------------ > > # [ 134.041120] WARNING: CPU: 9 PID: 0 at > > drivers/infiniband/sw/rxe/rxe_net.c:357 rxe_skb_tx_dtor+0xbc/0x110 > > [rdma_rxe] > > # [ 134.041128] Modules linked in: dm_cache_smq dm_cache > > dm_persistent_data dm_bio_prison 8021q garp mrp macvtap macvlan veth > > dummy bridge stp llc nft_ct nf_tables sch_fq_codel virtio_vdpa vduse > > vdpa rdma_rxe ip6_udp_tunnel udp_tunnel nvme_rdma nvmet_rdma raid456 > > async_raid6_recov async_memcpy async_pq async_xor async_tx xor > > raid6_pq raid1 raid0 bcache nvmet nvme_auth dm_writecache msr thermal > > rpcrdma rdma_ucm ib_iser ib_umad rdma_cm ib_ipoib iw_cm ib_cm > > rt2800usb rt2x00usb rt2800lib rt2x00lib ee1004 wmi_bmof mxm_wmi evdev > > mac80211 snd_hda_codec_realtek snd_hda_codec_generic > > snd_hda_scodec_component cfg80211 rfkill snd_hda_intel > > snd_intel_dspcfg nf_conntrack_tftp snd_intel_sdw_acpi > > nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp > > nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 > > snd_hda_codec nct6775 snd_hda_core nct6775_core snd_hwdep hwmon_vid > > vhost_net snd_pcm mlx4_ib tun kvm_amd snd_timer vhost gpio_amdpt > > ib_uverbs vhost_iotlb i2c_piix4 snd tap rapl pcspkr soundcore > > i2c_smbus rtc_cmos wmi > > # [ 134.041242] button gpio_generic ib_core kvm k10temp drm fuse > > loop dmi_sysfs dm_snapshot dm_bufio mlx4_en sd_mod nvme_tcp > > nvme_fabrics nvme ixgbe crct10dif_pclmul mdio crc32_pclmul mdio_devres > > crc32c_intel igb ghash_clmulni_intel i2c_algo_bit sha512_ssse3 libphy > > nvme_core sha256_ssse3 ptp sha1_ssse3 hwmon xhci_pci aesni_intel ahci > > mlx4_core crypto_simd libahci xhci_hcd libata i2c_core sunrpc > > dm_mirror dm_region_hash dm_log be2iscsi iscsi_tcp libiscsi_tcp > > libiscsi scsi_transport_iscsi dm_multipath dm_mod efivarfs > > # [ 134.041324] CPU: 9 UID: 0 PID: 0 Comm: swapper/9 Tainted: G > > W 6.12.4-gentoo #2 > > # [ 134.041329] Tainted: [W]=WARN > > # [ 134.041331] Hardware name: To Be Filled By O.E.M. X370 Killer > > SLI/X370 Killer SLI, BIOS P10.31 08/23/2024 > > # [ 134.041335] RIP: 0010:rxe_skb_tx_dtor+0xbc/0x110 [rdma_rxe] > > # [ 134.041342] Code: 00 f0 0f c1 87 80 00 00 00 83 f8 01 74 39 85 c0 > > 7f 96 5b 5d be 03 00 00 00 48 89 d7 41 5c e9 7b 43 39 e0 41 f6 04 24 > > 01 75 26 <0f> 0b 5b 5d 41 5c c3 ff c8 83 f8 0f 77 a4 49 8d bc 24 d8 03 > > 00 00 > > # [ 134.041347] RSP: 0018:ffffc90000338d20 EFLAGS: 00010246 > > # [ 134.041352] RAX: 0000000000000000 RBX: ffff888101b38200 RCX: > > 0000000000000000 > > # [ 134.041355] RDX: ffff88810092de80 RSI: 000000000000000e RDI: > > ffff88810092de80 > > # [ 134.041358] RBP: 0000000000000000 R08: ffff8881253b0000 R09: > > 0000000000000001 > > # [ 134.041360] R10: ffff8881251fac00 R11: 0000000000000080 R12: > > ffff888125220000 > > # [ 134.041364] R13: 0000000000000056 R14: 0000000000010000 R15: > > ffff888101b38200 > > # [ 134.041367] FS: 0000000000000000(0000) GS:ffff889fbee40000(0000) > > knlGS:0000000000000000 > > # [ 134.041370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > # [ 134.041373] CR2: 000055ec3e726750 CR3: 000000000341b000 CR4: > > 0000000000350ef0 > > # [ 134.041376] Call Trace: > > # [ 134.041379] <IRQ> > > # [ 134.041381] ? rxe_skb_tx_dtor+0xbc/0x110 [rdma_rxe] > > # [ 134.041388] ? __warn.cold+0x93/0xed > > # [ 134.041392] ? rxe_skb_tx_dtor+0xbc/0x110 [rdma_rxe] > > # [ 134.041398] ? report_bug+0xe2/0x170 > > # [ 134.041402] ? handle_bug+0x4f/0x90 > > # [ 134.041405] ? exc_invalid_op+0x13/0x60 > > # [ 134.041409] ? asm_exc_invalid_op+0x16/0x20 > > # [ 134.041413] ? rxe_skb_tx_dtor+0xbc/0x110 [rdma_rxe] > > # [ 134.041420] skb_release_head_state+0x20/0x90 > > # [ 134.041424] napi_consume_skb+0x3e/0x100 > > # [ 134.041428] mlx4_en_free_tx_desc+0x11d/0x200 [mlx4_en] > > # [ 134.041433] mlx4_en_process_tx_cq+0x182/0x560 [mlx4_en] > > # [ 134.041439] mlx4_en_poll_tx_cq+0x28/0x70 [mlx4_en] > > # [ 134.041443] __napi_poll+0x25/0x150 > > # [ 134.041447] net_rx_action+0x300/0x370 > > # [ 134.041452] ? mlx4_msi_x_interrupt+0xd/0x20 [mlx4_core] > > # [ 134.041465] handle_softirqs+0xf0/0x2a0 > > # [ 134.041469] irq_exit_rcu+0x74/0xd0 > > # [ 134.041473] common_interrupt+0xb8/0xd0 > > # [ 134.041476] </IRQ> > > # [ 134.041478] <TASK> > > # [ 134.041480] asm_common_interrupt+0x22/0x40 > > # [ 134.041484] RIP: 0010:cpuidle_enter_state+0xaf/0x410 > > # [ 134.041488] Code: de 01 00 00 e8 d2 9c 5f ff e8 dd f2 ff ff 49 89 > > c5 0f 1f 44 00 00 31 ff e8 9e bd 5e ff 45 84 ff 0f 85 b0 01 00 00 fb > > 45 85 f6 <0f> 88 88 01 00 00 48 8b 04 24 49 63 ce 4c 89 ea 48 6b f1 68 > > 48 29 > > # [ 134.041492] RSP: 0018:ffffc9000013be78 EFLAGS: 00000202 > > # [ 134.041496] RAX: ffff889fbee40000 RBX: ffff888104c68400 RCX: > > 0000000000000000 > > # [ 134.041500] RDX: 0000001f357196a8 RSI: ffffffff82142fc3 RDI: > > ffffffff82146c8f > > # [ 134.041503] RBP: 0000000000000002 R08: 0000000000000002 R09: > > 0000000000000000 > > # [ 134.041506] R10: 0000000000000018 R11: ffff889fbee72144 R12: > > ffffffff824dfd40 > > # [ 134.041509] R13: 0000001f357196a8 R14: 0000000000000002 R15: > > 0000000000000000 > > # [ 134.041513] ? cpuidle_enter_state+0xa2/0x410 > > # [ 134.041517] cpuidle_enter+0x29/0x40 > > # [ 134.041520] do_idle+0x19a/0x200 > > # [ 134.041524] cpu_startup_entry+0x25/0x30 > > # [ 134.041527] start_secondary+0xfe/0x120 > > # [ 134.041530] common_startup_64+0x13e/0x141 > > # [ 134.041535] </TASK> > > # [ 134.041537] ---[ end trace 0000000000000000 ]--- > > > > the system has a "Hewlett-Packard Company InfiniBand FDR/Ethernet > > 10Gb/40Gb 2-port 544+FLR-QSFP Adapter" > > I created a software bridge named br-fp and bridge 2 ports on this adapter, > > I also created a veth pair (venfp <-> venfpbr), venfpbr is connected > > to bridge br-fp. > > then I do 'rdma link add rxe_venfp type rxe netdev venfp', If I try to > > do rdma connect to remote storge, the error occurs. > > > > if you need other info, Please tell me. > > > > Thanks. >
