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 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: [#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: 885f3d9fc210 ti: 885f3da0 task.ti:
885f3da0
[28732.287205] RIP: 0010:[] []
inet_evict_bucket+0x119/0x180
[28732.287278] RSP: 0018:885f3da03d58 EFLAGS: 00010292
[28732.287318] RAX: 885f3da03d08 RBX: dead001000a8 RCX: 885f3da03d08
[28732.287362] RDX: 0006 RSI: 885f3da03ce8 RDI: dead001000a8
[28732.287406] RBP: 0002 R08: 0286 R09: 88302f401640
[28732.287450] R10: 8000 R11: 88602ec0c138 R12: 81a8d8c0
[28732.287494] R13: 885f3da03d70 R14: R15: 881d6efe1a00
[28732.287538] FS: () GS:88602f28()
knlGS:
[28732.287606] CS: 0010 DS: ES: CR0: 80050033
[28732.287647] CR2: 00b11000 CR3: 004f05b24000 CR4: 000427e0
[28732.287691] Stack:
[28732.287722] 81a905e0 81a905e8 814f4599
881d6efe1a58
[28732.287807] 0246 002e 81a8d8c0
81a918c0
[28732.287891] 02d3 0019 0240
8148075a
[28732.287975] Call Trace:
[28732.288013] [] ? _raw_spin_unlock_irqrestore+0x9/0x10
[28732.288056] [] ? inet_frag_worker+0x5a/0x250
[28732.288103] [] ? process_one_work+0x149/0x3f0
[28732.288146] [] ? worker_thread+0x63/0x490
[28732.288187] [] ? rescuer_thread+0x290/0x290
[28732.288229] [] ? kthread+0xce/0xf0
[28732.288269] [] ? kthread_create_on_node+0x180/0x180
[28732.288313] [] ? ret_from_fork+0x7c/0xb0
[28732.288353] [] ? 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 [] inet_evict_bucket+0x119/0x180
[28732.288873] RSP
