From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38E59C46467 for ; Thu, 12 Jan 2023 01:27:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235233AbjALB14 (ORCPT ); Wed, 11 Jan 2023 20:27:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235584AbjALB1z (ORCPT ); Wed, 11 Jan 2023 20:27:55 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E414765E8 for ; Wed, 11 Jan 2023 17:27:53 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 784FFB81DA2 for ; Thu, 12 Jan 2023 01:27:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 13756C433EF for ; Thu, 12 Jan 2023 01:27:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673486871; bh=ntB752kuw24Xk/NSrED/gDD0NP5J5KZ4h+x21w4WkVw=; h=From:To:Subject:Date:From; b=IKrPyUY/AojCNETskStfdWQX9oLEsb2rON7vk84dkS/WBxAqWO2//g89tXW3yXrDO 9r/1Dy7GU24GzD6P4ePfkY6iRZsmBukCqq3QfQdu2us3TZT+V46etUtyDMKOH66/B8 10eN2efM9UpAtVufGLr0EOvNYmfHXkTRTfOMGR3XEpsaODVF41hmn6B8d4twBCPvsU PIvaRImh1qNBhamHb36fay9m7vlMDIpq/ouZw+qVmfKnc0bjyo5ikfob8uWdrfkYWp gj1GK5i6+cWYvFhwSFecsaMF6w53jnaSVyZtmZEz8rl880xKnXtDNlMd2P6NWo2pEU +th8pBUVTZlfQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id EDD61C43141; Thu, 12 Jan 2023 01:27:50 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-rdma@vger.kernel.org Subject: [Bug 216919] New: workqueue: WQ_MEM_RECLAIM xprtiod:xprt_rdma_connect_worker Date: Thu, 12 Jan 2023 01:27:50 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo drivers_infiniband-rdma@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Infiniband/RDMA X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: slavon.net@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_infiniband-rdma@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version cf_kernel_version rep_platform op_sys cf_tree bug_status bug_severity priority component assigned_to reporter cf_regression Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D216919 Bug ID: 216919 Summary: workqueue: WQ_MEM_RECLAIM xprtiod:xprt_rdma_connect_worker Product: Drivers Version: 2.5 Kernel Version: 5.14.0-229.el9.x86_64 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Infiniband/RDMA Assignee: drivers_infiniband-rdma@kernel-bugs.osdl.org Reporter: slavon.net@gmail.com Regression: No kernels centos=20 5.14.0-226.el9.x86_64 5.14.0-229.el9.x86_64 Then ovirt host try connect NFS over RDMA: [ 114.946749] ------------[ cut here ]------------ [ 114.947077] workqueue: WQ_MEM_RECLAIM xprtiod:xprt_rdma_connect_worker [rpcrdma] is flushing !WQ_MEM_RECLAIM ib_addr:process_one_req [ib_core] [ 114.947135] WARNING: CPU: 4 PID: 87 at kernel/workqueue.c:2646 check_flush_dependency+0x10e/0x130 [ 114.948599] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache netfs geneve ip6_udp_tunnel udp_tunnel xfrm_interface ip_vti ip_tunnel ah6 ah4 esp6 esp4 xfrm4_tunnel tunnel4 ipco= mp ipcomp6 xfrm6_tunnel xfrm_ipcomp tunnel6 chacha20poly1305 camellia_generic camellia_aesni_avx_x86_64 camellia_x86_64 xcbc des_generic libdes rfkill nfnetlink_cttimeout nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct openvswitch nft_chain_nat nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables nfnetlink vfat fat dm_multipath rpcrdma sunrpc rdma_ucm ib_srpt ib_isert iscsi_target_mod target_core_mod intel_rapl_msr ib_iser intel_rapl_common ib_umad libiscsi scsi_transport_iscsi rdma_cm ib_ipoib iw= _cm ib_cm sb_edac iTCO_wdt iTCO_vendor_support x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm ipmi_ssif rapl mlx4_ib intel_cstate intel_uncore pcspkr acpi_ipmi ib_uverbs ib_core [ 114.948659] joydev ipmi_si ipmi_devintf i2c_i801 ioatdma ipmi_msghandler mei_me mei lpc_ich i2c_smbus drm fuse xfs libcrc32c mlx4_en sd_mod t10_pi sg ahci crct10dif_pclmul crc32_pclmul libahci crc32c_intel mlx4_core libata ghash_clmulni_intel igb i2c_algo_bit dca wmi dm_mirror dm_region_hash dm_log dm_mod vfio_pci vfio_pci_core irqbypass vfio_virqfd vfio_iommu_type1 vfio 8= 021q garp mrp bridge stp llc bonding tls [ 114.957089] CPU: 4 PID: 87 Comm: kworker/u65:1 Kdump: loaded Not tainted 5.14.0-229.el9.x86_64 #1 [ 114.957685] Hardware name: Supermicro X9DRT-F/IBQF/IBFF/X9DRT-F/IBQF/IBF= F, BIOS 3.2 04/07/2015 [ 114.958272] Workqueue: xprtiod xprt_rdma_connect_worker [rpcrdma] [ 114.958696] RIP: 0010:check_flush_dependency+0x10e/0x130 [ 114.976514] Code: 4c 24 18 48 8d b2 b0 00 00 00 49 89 e8 48 8d 8b b0 00 = 00 00 48 c7 c7 40 20 7f 99 c6 05 ef 5c e0 01 01 4c 89 ca e8 65 7a 9b 00 <0f> 0= b e9 0d ff ff ff 80 3d da 5c e0 01 00 75 91 e9 43 ff ff ff 66 [ 115.032269] RSP: 0018:ffffa85306703c78 EFLAGS: 00010086 [ 115.051082] RAX: 0000000000000000 RBX: ffff88bfc6c20c00 RCX: 0000000000000027 [ 115.069470] RDX: ffff88bf7fb198a8 RSI: 0000000000000001 RDI: ffff88bf7fb198a0 [ 115.088821] RBP: ffffffffc0d88ed0 R08: 0000000000000000 R09: 00000000ffff7fff [ 115.107720] R10: ffffa85306703b18 R11: ffffffff9a1e96c8 R12: ffff88b043a7ba40 [ 115.126802] R13: ffff88b043f43900 R14: ffff88b040051000 R15: ffff88b0c8c6e105 [ 115.146190] FS: 0000000000000000(0000) GS:ffff88bf7fb00000(0000) knlGS:0000000000000000 [ 115.165464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.185539] CR2: 00007f15b98074f4 CR3: 00000010862cc005 CR4: 00000000000606e0 [ 115.204647] Call Trace: [ 115.223736] [ 115.242155] __flush_work.isra.0+0xbf/0x230 [ 115.259918] __cancel_work_timer+0x103/0x190 [ 115.277724] ? __bpf_trace_tick_stop+0x10/0x10 [ 115.295452] ? rdma_resolve_ip+0x257/0x2f0 [ib_core] [ 115.314312] rdma_addr_cancel+0x8e/0xc0 [ib_core] [ 115.331291] _destroy_id+0x22/0x310 [rdma_cm] [ 115.347402] rpcrdma_ep_create+0xc8/0x3b0 [rpcrdma] [ 115.363198] rpcrdma_xprt_connect+0x27/0x200 [rpcrdma] [ 115.378866] ? finish_task_switch.isra.0+0x8c/0x2a0 [ 115.394259] xprt_rdma_connect_worker+0x3b/0xd0 [rpcrdma] [ 115.409895] process_one_work+0x1e5/0x3c0 [ 115.424999] ? rescuer_thread+0x3a0/0x3a0 [ 115.440127] worker_thread+0x50/0x3b0 [ 115.454574] ? rescuer_thread+0x3a0/0x3a0 [ 115.467995] kthread+0xd6/0x100 [ 115.481567] ? kthread_complete_and_exit+0x20/0x20 [ 115.494326] ret_from_fork+0x1f/0x30 [ 115.506613] [ 115.518472] ---[ end trace 0bf211cc7e4c56d1 ]--- --=20 You may reply to this email to add a comment. 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