I encountered an old issue with a recent kernel :<br />
<br />
------------[ cut here ]------------<br />
WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Not tainted)<br />
Hardware name: ProLiant DL360 G7<br />
NETDEV WATCHDOG: eth1 (bnx2): transmit queue 0 timed out<br />
Modules linked in: nf_conntrack_netlink nf_conntrack nfnetlink mptctl mptbase bonding 8021q garp stp llc ipv6 ext2 power_meter bnx2 e1000e sg serio_raw iTCO_wdt iTCO_vendor_support hpilo hpwdt i7core_edac edac_core shpchp ext3 jbd mbcache sd_mod crc_t10dif hpsa radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]<br />
Pid: 0, comm: swapper Not tainted 2.6.32-358.18.1.el6.centos.plus.x86_64 <a href="http://bugs.centos.org/view.php?id=1">0000001</a><br />
Call Trace:<br />
<IRQ> [<ffffffff8106e3e7>] ? warn_slowpath_common+0x87/0xc0<br />
[<ffffffff8106e4d6>] ? warn_slowpath_fmt+0x46/0x50<br />
[<ffffffff8146f2ed>] ? dev_watchdog+0x26d/0x280<br />
[<ffffffff8146f080>] ? dev_watchdog+0x0/0x280<br />
[<ffffffff81081937>] ? run_timer_softirq+0x197/0x340<br />
[<ffffffff810a8060>] ? tick_sched_timer+0x0/0xc0<br />
[<ffffffff8102ea2d>] ? lapic_next_event+0x1d/0x30<br />
[<ffffffff810770b1>] ? __do_softirq+0xc1/0x1e0<br />
[<ffffffff8109b87b>] ? hrtimer_interrupt+0x14b/0x260<br />
[<ffffffff8100c1cc>] ? call_softirq+0x1c/0x30<br />
[<ffffffff8100de05>] ? do_softirq+0x65/0xa0<br />
[<ffffffff81076e95>] ? irq_exit+0x85/0x90<br />
[<ffffffff8151eb90>] ? smp_apic_timer_interrupt+0x70/0x9b<br />
[<ffffffff8100bb93>] ? apic_timer_interrupt+0x13/0x20<br />
<EOI> [<ffffffff812da8ae>] ? intel_idle+0xde/0x170<br />
[<ffffffff812da891>] ? intel_idle+0xc1/0x170<br />
[<ffffffff8141c257>] ? cpuidle_idle_call+0xa7/0x140<br />
[<ffffffff81009fc6>] ? cpu_idle+0xb6/0x110<br />
[<ffffffff8150e92c>] ? start_secondary+0x2ac/0x2ef<br />
---[ end trace 0a05a0e6aa8799d7 ]---<br />
bnx2 0000:03:00.1: eth1: <--- start FTQ dump ---><br />
bnx2 0000:03:00.1: eth1: RV2P_PFTQ_CTL 00010000<br />
bnx2 0000:03:00.1: eth1: RV2P_TFTQ_CTL 00020000<br />
bnx2 0000:03:00.1: eth1: RV2P_MFTQ_CTL 00004000<br />
bnx2 0000:03:00.1: eth1: TBDR_FTQ_CTL 00004000<br />
bnx2 0000:03:00.1: eth1: TDMA_FTQ_CTL 00010000<br />
bnx2 0000:03:00.1: eth1: TXP_FTQ_CTL 00010000<br />
bnx2 0000:03:00.1: eth1: TXP_FTQ_CTL 00010000<br />
bnx2 0000:03:00.1: eth1: TPAT_FTQ_CTL 00010000<br />
bnx2 0000:03:00.1: eth1: RXP_CFTQ_CTL 00008000<br />
bnx2 0000:03:00.1: eth1: RXP_FTQ_CTL 00100000<br />
bnx2 0000:03:00.1: eth1: COM_COMXQ_FTQ_CTL 00010000<br />
bnx2 0000:03:00.1: eth1: COM_COMTQ_FTQ_CTL 00020000<br />
bnx2 0000:03:00.1: eth1: COM_COMQ_FTQ_CTL 00010000<br />
bnx2 0000:03:00.1: eth1: CP_CPQ_FTQ_CTL 00004000<br />
bnx2 0000:03:00.1: eth1: CPU states:<br />
bnx2 0000:03:00.1: eth1: 045000 mode b84c state 80001000 evt_mask 500 pc 8001284 pc 8001290 instr 38640001<br />
bnx2 0000:03:00.1: eth1: 085000 mode b84c state 80001000 evt_mask 500 pc 8000a4c pc 8000a4c instr 1440fffc<br />
bnx2 0000:03:00.1: eth1: 0c5000 mode b84c state 80001000 evt_mask 500 pc 8004c1c pc 8004c18 instr 32050003<br />
bnx2 0000:03:00.1: eth1: 105000 mode b8cc state 80000000 evt_mask 500 pc 8000a98 pc 8000b24 instr 3c020800<br />
bnx2 0000:03:00.1: eth1: 145000 mode b880 state 80000000 evt_mask 500 pc 800a350 pc 800aff0 instr afb20030<br />
bnx2 0000:03:00.1: eth1: 185000 mode b8cc state 80000000 evt_mask 500 pc 8000c50 pc 8000c58 instr 1092823<br />
bnx2 0000:03:00.1: eth1: <--- end FTQ dump ---><br />
bnx2 0000:03:00.1: eth1: <--- start TBDC dump ---><br />
bnx2 0000:03:00.1: eth1: TBDC free cnt: 32<br />
bnx2 0000:03:00.1: eth1: LINE CID BIDX CMD VALIDS<br />
bnx2 0000:03:00.1: eth1: 00 000800 9ec8 00 [0]<br />
bnx2 0000:03:00.1: eth1: 01 000800 9ec8 00 [0]<br />
bnx2 0000:03:00.1: eth1: 02 0edf80 3df0 7b [0]<br />
bnx2 0000:03:00.1: eth1: 03 0ffb80 f7f8 7e [0]<br />
bnx2 0000:03:00.1: eth1: 04 1ff680 f7d8 ff [0]<br />
bnx2 0000:03:00.1: eth1: 05 03ff80 7ee8 eb [0]<br />
bnx2 0000:03:00.1: eth1: 06 1df980 fff0 ff [0]<br />
bnx2 0000:03:00.1: eth1: 07 19ff80 aee8 dd [0]<br />
bnx2 0000:03:00.1: eth1: 08 1ddf80 ffd8 bc [0]<br />
bnx2 0000:03:00.1: eth1: 09 1a6d00 f7f8 db [0]<br />
bnx2 0000:03:00.1: eth1: 0a 0fff80 bfb8 f5 [0]<br />
bnx2 0000:03:00.1: eth1: 0b 177f80 6ce8 f2 [0]<br />
bnx2 0000:03:00.1: eth1: 0c 1fef80 fff8 18 [0]<br />
bnx2 0000:03:00.1: eth1: 0d 0cff80 cbd8 fb [0]<br />
bnx2 0000:03:00.1: eth1: 0e 1dff80 fff8 0f [0]<br />
bnx2 0000:03:00.1: eth1: 0f 16ad00 fff0 a8 [0]<br />
bnx2 0000:03:00.1: eth1: 10 0fff00 fff8 ee [0]<br />
bnx2 0000:03:00.1: eth1: 11 0ffe80 fff8 bf [0]<br />
bnx2 0000:03:00.1: eth1: 12 177f80 7ff8 f3 [0]<br />
bnx2 0000:03:00.1: eth1: 13 02ff80 afd8 69 [0]<br />
bnx2 0000:03:00.1: eth1: 14 16ff80 fff8 9f [0]<br />
bnx2 0000:03:00.1: eth1: 15 17fe00 ffd8 fb [0]<br />
bnx2 0000:03:00.1: eth1: 16 1ffe80 edf8 95 [0]<br />
bnx2 0000:03:00.1: eth1: 17 1dfb80 fff8 df [0]<br />
bnx2 0000:03:00.1: eth1: 18 1ebd80 efe0 6f [0]<br />
bnx2 0000:03:00.1: eth1: 19 1ffe80 cfb8 be [0]<br />
bnx2 0000:03:00.1: eth1: 1a 1fb780 bc78 ff [0]<br />
bnx2 0000:03:00.1: eth1: 1b 1fff80 eff0 ff [0]<br />
bnx2 0000:03:00.1: eth1: 1c 07d980 bef8 37 [0]<br />
bnx2 0000:03:00.1: eth1: 1d 17d880 f7d8 dd [0]<br />
bnx2 0000:03:00.1: eth1: 1e 15fb00 eff8 bc [0]<br />
bnx2 0000:03:00.1: eth1: 1f 1ef080 eff8 7f [0]<br />
bnx2 0000:03:00.1: eth1: <--- end TBDC dump ---><br />
bnx2 0000:03:00.1: eth1: DEBUG: intr_sem[0] PCI_CMD[00180046]<br />
bnx2 0000:03:00.1: eth1: DEBUG: PCI_PM[19002008] PCI_MISC_CFG[92000088]<br />
bnx2 0000:03:00.1: eth1: DEBUG: EMAC_TX_STATUS[00000008] EMAC_RX_STATUS[00000000]<br />
bnx2 0000:03:00.1: eth1: DEBUG: RPM_MGMT_PKT_CTRL[40000088]<br />
bnx2 0000:03:00.1: eth1: DEBUG: HC_STATS_INTERRUPT_STATUS[01fe0001]<br />
bnx2 0000:03:00.1: eth1: <--- start MCP states dump ---><br />
bnx2 0000:03:00.1: eth1: DEBUG: MCP_STATE_P0[0003610e] MCP_STATE_P1[0003610e]<br />
bnx2 0000:03:00.1: eth1: DEBUG: MCP mode[0000b880] state[80008000] evt_mask[00000500]<br />
bnx2 0000:03:00.1: eth1: DEBUG: pc[0800afd4] pc[0800d198] instr[00a0b821]<br />
bnx2 0000:03:00.1: eth1: DEBUG: shmem states:<br />
bnx2 0000:03:00.1: eth1: DEBUG: drv_mb[01030003] fw_mb[00000003] link_status[0000006f] drv_pulse_mb[00000561]<br />
bnx2 0000:03:00.1: eth1: DEBUG: dev_info_signature[44564903] reset_type[01005254] condition[0003610e]<br />
bnx2 0000:03:00.1: eth1: DEBUG: 000001c0: 01005254 42530000 0003610e 00000000<br />
bnx2 0000:03:00.1: eth1: DEBUG: 000003cc: 44444444 44444444 44444444 00000a3c<br />
bnx2 0000:03:00.1: eth1: DEBUG: 000003dc: 0ffeffff 0000ffff ffffffff ffffffff<br />
bnx2 0000:03:00.1: eth1: DEBUG: 000003ec: 00000000 00000000 00000000 00000002<br />
bnx2 0000:03:00.1: eth1: DEBUG: 0x3fc[0000ffff]<br />
bnx2 0000:03:00.1: eth1: <--- end MCP states dump ---><br />
bnx2 0000:03:00.1: eth1: NIC Copper Link is Down<br />
<br />
<br />
Issue 0006249 was resolved with the 6.3 kernel but it seems that this bug was re-introduced... :/<br />
<br />
kernel :<br />
[<a href="mailto:root@vptoip02s">root@vptoip02s</a> ~]# uname -a<br />
Linux vptoip02s 2.6.32-358.18.1.el6.centos.plus.x86_64 <a href="http://bugs.centos.org/view.php?id=1">0000001</a> SMP Wed Aug 28 16:14:04 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux<br />
<br />
MSI is disabled :<br />
[<a href="mailto:root@vptoip02s">root@vptoip02s</a> ~]# cat /etc/modprobe.d/bnx2.conf<br />
options bnx2 disable_msi=1
↧