On Sat, Oct 24, 2015 at 03:10:52PM +0200, Daniel J Blueman wrote: > I just wanted to report consistent server hanging I see when running > blogbench on a NFS4 linux client (Ubuntu 15.04) running stock 4.2.4 > against a NFS4 server running stock 3.18.22 (Ubuntu Server 12.04) [1]. > > Thanks, > Daniel > > -- [1] > What was in the logs just before this? Are there any earlier crashes? It's possible this is something we've fixed since 3.18, but I can't think of anything off the top of my head. --b. > [1664738.168693] Modules linked in: nfsd nfs_acl auth_rpcgss nfs > fscache lockd sunrpc grace intel_rapl x86_pkg_temp_thermal > intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul > ghash_clmulni_intel aesni_intel ablk_helper joydev cryptd lrw gf128mul > psmouse glue_helper aes_x86_64 video serio_raw bonding 8250_fintek > mac_hid shpchp lpc_ich ie31200_edac edac_core lp parport hid_generic > usbhid hid bcache btrfs raid10 raid456 async_raid6_recov async_pq > raid6_pq async_xor e1000e ahci xor libahci async_memcpy async_tx ptp > pps_core raid1 raid0 multipath linear > [1664738.168693] CPU: 0 PID: 1649 Comm: nfsd Tainted: G D W L > 3.18.22-031822-generic #201510031227 > [1664738.168694] Hardware name: Supermicro X9SCL/X9SCM/X9SCL/X9SCM, > BIOS 2.0b 09/17/2012 > [1664738.168694] task: ffff8800c9865000 ti: ffff880401a84000 task.ti: > ffff880401a84000 > [1664738.168696] RIP: 0010:[<ffffffff81788422>] [<ffffffff81788422>] > _raw_spin_lock+0x32/0x50 > [1664738.168696] RSP: 0018:ffff880401a87cb8 EFLAGS: 00000202 > [1664738.168696] RAX: 0000000000001e80 RBX: ffffffff810a8ac9 RCX: > 000000000000bb86 > [1664738.168696] RDX: 000000000000bb8a RSI: 000000000000bb8a RDI: > ffff88041594b530 > [1664738.168697] RBP: ffff880401a87cb8 R08: ffff880128279780 R09: > ffff88041f001b00 > [1664738.168697] R10: ffffffffc06ab7cc R11: ffff880417cdb080 R12: > ffffffff810a1f68 > [1664738.168698] R13: ffff880401a87c28 R14: ffff8800c9866468 R15: > ffff88042fc13380 > [1664738.168698] FS: 0000000000000000(0000) GS:ffff88042fc00000(0000) > knlGS:0000000000000000 > [1664738.168698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [1664738.168699] CR2: 0000000000e99f9c CR3: 0000000001c16000 CR4: > 00000000001407f0 > [1664738.168699] Stack: > [1664738.168700] ffff880401a87d48 ffffffffc06af222 ffffffffc05e5e70 > ffff880336b5f700 > [1664738.168700] ffff880401a87d38 ffffffffc05ecf76 ffff880401a87d18 > 0000000000000708 > [1664738.168701] ffff880417cda068 ffff880128279780 ffff88021648e020 > 0000000000000008 > [1664738.168701] Call Trace: > [1664738.168705] [<ffffffffc06af222>] nfsd4_sequence+0xb2/0x6b0 [nfsd] > [1664738.168709] [<ffffffffc05e5e70>] ? > svcauth_unix_domain_release+0x30/0x30 [sunrpc] > [1664738.168714] [<ffffffffc05ecf76>] ? cache_check+0x106/0x3d0 [sunrpc] > [1664738.168717] [<ffffffffc06a0904>] nfsd4_proc_compound+0x4d4/0x7f0 [nfsd] > [1664738.168719] [<ffffffffc068ce23>] nfsd_dispatch+0xc3/0x210 [nfsd] > [1664738.168723] [<ffffffffc05e39f2>] ? > svc_tcp_adjust_wspace+0x12/0x30 [sunrpc] > [1664738.168727] [<ffffffffc05e2940>] svc_process_common+0x440/0x6d0 [sunrpc] > [1664738.168731] [<ffffffffc05e2cd7>] svc_process+0x107/0x170 [sunrpc] > [1664738.168733] [<ffffffffc068c7a7>] nfsd+0xf7/0x160 [nfsd] > [1664738.168735] [<ffffffffc068c6b0>] ? nfsd_destroy+0x80/0x80 [nfsd] > [1664738.168736] [<ffffffff81090219>] kthread+0xc9/0xe0 > [1664738.168737] [<ffffffff81090150>] ? kthread_create_on_node+0x180/0x180 > [1664738.168738] [<ffffffff81788a58>] ret_from_fork+0x58/0x90 > [1664738.168739] [<ffffffff81090150>] ? kthread_create_on_node+0x180/0x180 > [1664738.168746] Code: 89 e5 b8 00 00 02 00 f0 0f c1 07 89 c2 c1 ea 10 > 66 39 c2 75 02 5d c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 eb 0c 0f 1f 44 > 00 00 f3 90 <83> e8 01 74 0a 0f b7 0f 66 39 ca 75 f1 5d c3 0f 1f 80 00 > 00 00 > [1664738.469283] Modules linked in: nfsd nfs_acl auth_rpcgss nfs > fscache lockd sunrpc grace intel_rapl x86_pkg_temp_thermal > intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul > ghash_clmulni_intel aesni_intel ablk_helper joydev cryptd lrw gf128mul > psmouse glue_helper aes_x86_64 video serio_raw bonding 8250_fintek > mac_hid shpchp lpc_ich ie31200_edac edac_core lp parport hid_generic > usbhid hid bcache btrfs raid10 raid456 async_raid6_recov async_pq > raid6_pq async_xor e1000e ahci xor libahci async_memcpy async_tx ptp > pps_core raid1 raid0 multipath linear > [1664738.522625] CPU: 1 PID: 1651 Comm: nfsd Tainted: G D W L > 3.18.22-031822-generic #201510031227 > [1664738.532099] Hardware name: Supermicro X9SCL/X9SCM/X9SCL/X9SCM, > BIOS 2.0b 09/17/2012 > [1664738.540002] task: ffff8800c9861400 ti: ffff88040147c000 task.ti: > ffff88040147c000 > [1664738.547735] RIP: 0010:[<ffffffff81788427>] [<ffffffff81788427>] > _raw_spin_lock+0x37/0x50 > [1664738.556218] RSP: 0018:ffff88040147fcb8 EFLAGS: 00000206 > [1664738.561763] RAX: 00000000000077c9 RBX: ffffffff810a8ac9 RCX: > 000000000000bb86 > [1664738.569147] RDX: 000000000000bb88 RSI: 000000000000bb88 RDI: > ffff88041594b530 > [1664738.576534] RBP: ffff88040147fcb8 R08: ffff88030bd3a080 R09: > ffff88041f001b00 > [1664738.583921] R10: ffffffffc06ab7cc R11: ffff880036d54080 R12: > ffffffff810a1f68 > [1664738.591305] R13: ffff88040147fc28 R14: ffff880418b0ee68 R15: > ffff88042fc93380 > [1664738.598694] FS: 0000000000000000(0000) GS:ffff88042fc80000(0000) > knlGS:0000000000000000 > [1664738.607035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [1664738.613020] CR2: 00007f9589d5aad0 CR3: 0000000001c16000 CR4: > 00000000001407e0 > [1664738.620406] Stack: > [1664738.622647] ffff88040147fd48 ffffffffc06af222 ffffffffc05e5e70 > ffff880336b5f700 > [1664738.630509] ffff88040147fd38 ffffffffc05ecf76 ffff88040147fd18 > 0000000000000708 > [1664738.638379] ffff880036d55068 ffff88030bd3a080 ffff8801e617a020 > 0000000000000008 > [1664738.646245] Call Trace: > [1664738.648926] [<ffffffffc06af222>] nfsd4_sequence+0xb2/0x6b0 [nfsd] > [1664738.655347] [<ffffffffc05e5e70>] ? > svcauth_unix_domain_release+0x30/0x30 [sunrpc] > [1664738.663174] [<ffffffffc05ecf76>] ? cache_check+0x106/0x3d0 [sunrpc] > [1664738.669770] [<ffffffffc06a0904>] nfsd4_proc_compound+0x4d4/0x7f0 [nfsd] > [1664738.676703] [<ffffffffc068ce23>] nfsd_dispatch+0xc3/0x210 [nfsd] > [1664738.683032] [<ffffffffc05e39f2>] ? > svc_tcp_adjust_wspace+0x12/0x30 [sunrpc] > [1664738.697460] [<ffffffffc05e2940>] svc_process_common+0x440/0x6d0 [sunrpc] > [1664738.704489] [<ffffffffc05e2cd7>] svc_process+0x107/0x170 [sunrpc] > [1664738.710908] [<ffffffffc068c7a7>] nfsd+0xf7/0x160 [nfsd] > [1664738.716453] [<ffffffffc068c6b0>] ? nfsd_destroy+0x80/0x80 [nfsd] > [1664738.722779] [<ffffffff81090219>] kthread+0xc9/0xe0 > [1664738.727891] [<ffffffff81090150>] ? kthread_create_on_node+0x180/0x180 > [1664738.734653] [<ffffffff81788a58>] ret_from_fork+0x58/0x90 > [1664738.740285] [<ffffffff81090150>] ? kthread_create_on_node+0x180/0x180 > [1664738.747048] Code: 02 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 75 02 > 5d c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 eb 0c 0f 1f 44 00 00 f3 90 83 > e8 01 74 0a <0f> b7 0f 66 39 ca 75 f1 5d c3 0f 1f 80 00 00 00 00 eb da > 66 0f > -- > Daniel J Blueman > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
