With attachment this time, also not sure wether this is what you were referring to, so let me know if anything else needed!
- Johan > On 18 Jul 2015, at 17:28, Johan Schuijt-Li <jo...@transip.nl> wrote: > > Thx for your looking into this! > >> >> Thank you for the report, I will try to reproduce this locally >> Could you please post the full crash log ? > > Of course, please see attached file. > >> Also could you test >> with a clean current kernel from Linus' tree or Dave's -net ? > > Will do. > >> These are available at: >> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >> git://git.kernel.org/pub/scm/linux/kernel/git/davem/net >> respectively. >> >> One last question how many IRQs do you pin i.e. how many cores >> do you actively use for receive ? > > This varies a bit across our systems, but we’ve managed to reproduce this > with IRQs pinned on as many as 2,4,8 or 20 cores. > > I won’t have access to our test-setup till Monday again, so I’ll be testing 3 > scenario’s then: > - Your patch > - Linux tree > - Dave’s -net tree > > I’ll make sure to keep you posted on all the results then. We have a kernel > dump of the panic, so if you need me to extract any data from there just let > me know! (Some instructions might be needed) > > - Johan
[28732.285611] general protection fault: 0000 [#1] SMP [28732.285665] Modules linked in: vhost_net vhost macvtap macvlan act_police cls_u32 sch_ingress cls_fw sch_sfq sch_htb nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack xt_physdev br_netfilter ebt_arp ebt_ip6 ebt_ip ebtable_nat tun rpcsec_gss_krb5 nfsv4 dns_resolver ebtable_filter ebtables ip6table_raw ip6table_mangle ip6table_filter ip6_tables nfsd auth_rpcgss oid_registry nfs_acl nfs lockd grace fscache sunrpc bridge 8021q garp mrp stp llc bonding xt_CT xt_DSCP iptable_mangle ipt_REJECT nf_reject_ipv4 xt_pkttype xt_tcpudp nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_comment nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_owner iptable_filter iptable_raw ip_tables x_tables loop joydev hid_generic usbhid hid x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm ttm crct10dif_pclmul crc32_pclmul [28732.286421] ghash_clmulni_intel aesni_intel drm_kms_helper drm i2c_algo_bit aes_x86_64 lrw gf128mul dcdbas ipmi_si i2c_core evdev glue_helper ablk_helper tpm_tis mei_me tpm ehci_pci ehci_hcd mei cryptd usbcore iTCO_wdt iTCO_vendor_support ipmi_msghandler lpc_ich mfd_core wmi pcspkr usb_common shpchp sb_edac edac_core acpi_power_meter acpi_pad button processor thermal_sys ext4 crc16 mbcache jbd2 dm_mod sg sd_mod ahci libahci bnx2x libata ptp pps_core mdio crc32c_generic megaraid_sas crc32c_intel scsi_mod libcrc32c [28732.286955] CPU: 9 PID: 56 Comm: kworker/9:0 Not tainted 3.18.7-transip-2.0 #1 [28732.287023] Hardware name: Dell Inc. PowerEdge M620/0VHRN7, BIOS 2.5.2 02/03/2015 [28732.287096] Workqueue: events inet_frag_worker [28732.287139] task: ffff885f3d9fc210 ti: ffff885f3da00000 task.ti: ffff885f3da00000 [28732.287205] RIP: 0010:[<ffffffff81480699>] [<ffffffff81480699>] inet_evict_bucket+0x119/0x180 [28732.287278] RSP: 0018:ffff885f3da03d58 EFLAGS: 00010292 [28732.287318] RAX: ffff885f3da03d08 RBX: dead0000001000a8 RCX: ffff885f3da03d08 [28732.287362] RDX: 0000000000000006 RSI: ffff885f3da03ce8 RDI: dead0000001000a8 [28732.287406] RBP: 0000000000000002 R08: 0000000000000286 R09: ffff88302f401640 [28732.287450] R10: 0000000080000000 R11: ffff88602ec0c138 R12: ffffffff81a8d8c0 [28732.287494] R13: ffff885f3da03d70 R14: 0000000000000000 R15: ffff881d6efe1a00 [28732.287538] FS: 0000000000000000(0000) GS:ffff88602f280000(0000) knlGS:0000000000000000 [28732.287606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [28732.287647] CR2: 0000000000b11000 CR3: 0000004f05b24000 CR4: 00000000000427e0 [28732.287691] Stack: [28732.287722] ffffffff81a905e0 ffffffff81a905e8 ffffffff814f4599 ffff881d6efe1a58 [28732.287807] 0000000000000246 000000000000002e ffffffff81a8d8c0 ffffffff81a918c0 [28732.287891] 00000000000002d3 0000000000000019 0000000000000240 ffffffff8148075a [28732.287975] Call Trace: [28732.288013] [<ffffffff814f4599>] ? _raw_spin_unlock_irqrestore+0x9/0x10 [28732.288056] [<ffffffff8148075a>] ? inet_frag_worker+0x5a/0x250 [28732.288103] [<ffffffff8107be19>] ? process_one_work+0x149/0x3f0 [28732.288146] [<ffffffff8107c6e3>] ? worker_thread+0x63/0x490 [28732.288187] [<ffffffff8107c680>] ? rescuer_thread+0x290/0x290 [28732.288229] [<ffffffff8108103e>] ? kthread+0xce/0xf0 [28732.288269] [<ffffffff81080f70>] ? kthread_create_on_node+0x180/0x180 [28732.288313] [<ffffffff814f4d7c>] ? ret_from_fork+0x7c/0xb0 [28732.288353] [<ffffffff81080f70>] ? kthread_create_on_node+0x180/0x180 [28732.288396] Code: 8b 04 24 66 83 40 08 01 48 8b 7c 24 18 48 85 ff 74 2a 48 83 ef 58 75 13 eb 22 0f 1f 84 00 00 00 00 00 48 83 eb 58 48 89 df 74 11 <48> 8b 5f 58 41 ff 94 24 70 40 00 00 48 85 db 75 e6 48 83 c4 28 [28732.288827] RIP [<ffffffff81480699>] inet_evict_bucket+0x119/0x180 [28732.288873] RSP <ffff885f3da03d58>
