[rhelv6-list] bnx2 intermittent error

Sun Dec 18 21:19:32 UTC 2011

Known Issue.

https://access.redhat.com/kb/docs/DOC-48625

This issue is fixed in RHEL6.1
http://rhn.redhat.com/errata/RHSA-2011-0542.html
https://bugzilla.redhat.com/show_bug.cgi?id=681017

I searched:  "WARNING: at net/sched/sch_generic.c:261" in the Red Hat
Knowledge Base and got your answer.

Hope this helps

~rp

On Fri, Dec 16, 2011 at 4:48 AM, Bryan Hepworth
<bryan.hepworth at newcastle.ac.uk> wrote:
> Hi Everyone
>
> I have an intermittent Ethernet failure on one of my machines and was wondering if anyone had bumped up against a similar issue.
>
> The machine is a Dell R715 I have two that are almost identical but only see this problem on one box.
>
> Nov 29 12:44:45 alfieri kernel: ------------[ cut here ]------------
> Nov 29 12:44:45 alfieri kernel: WARNING: at net/sched/sch_generic.c:261 dev_watc
> hdog+0x26d/0x280() (Not tainted)
> Nov 29 12:44:45 alfieri kernel: Hardware name: PowerEdge R715
> Nov 29 12:44:45 alfieri kernel: NETDEV WATCHDOG: em1 (bnx2): transmit queue 7 ti
> med out
> Nov 29 12:44:45 alfieri kernel: Modules linked in: nfs fscache nfsd nfs_acl auth
> _rpcgss exportfs autofs4 lockd sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv
> 4 iptable_filter ip_tables nf_conntrack_netbios_ns nf_conntrack_broadcast ip6t_R
> EJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6
> _tables ipv6 dm_mirror dm_region_hash dm_log uinput power_meter ch osst st sg se
> s enclosure microcode dcdbas serio_raw ghes hed amd64_edac_mod edac_core edac_mc
> e_amd k10temp hwmon i2c_piix4 i2c_core bnx2 ext4 mbcache jbd2 sr_mod cdrom sd_mo
> d crc_t10dif mpt2sas scsi_transport_sas raid_class ahci megaraid_sas dm_mod [las
> t unloaded: freq_table]
> Nov 29 12:44:45 alfieri kernel: Pid: 0, comm: swapper Not tainted 2.6.32-131.21.
> 1.el6.x86_64 #1
> Nov 29 12:44:45 alfieri kernel: Call Trace:
> Nov 29 12:44:45 alfieri kernel: <IRQ>  [<ffffffff81067097>] ? warn_slowpath_comm
> on+0x87/0xc0
> Nov 29 12:44:45 alfieri kernel: [<ffffffff81067186>] ? warn_slowpath_fmt+0x46/0x
> 50
> Nov 29 12:44:45 alfieri kernel: [<ffffffff8143a58d>] ? dev_watchdog+0x26d/0x280
> Nov 29 12:44:45 alfieri kernel: [<ffffffff81088a8d>] ? insert_work+0x6d/0xb0
> Nov 29 12:44:45 alfieri kernel: [<ffffffff81079265>] ? internal_add_timer+0xb5/0
> x110
> Nov 29 12:44:45 alfieri kernel: [<ffffffff8143a320>] ? dev_watchdog+0x0/0x280
> Nov 29 12:44:45 alfieri kernel: [<ffffffff81079e97>] ? run_timer_softirq+0x197/0
> x340
> Nov 29 12:44:45 alfieri kernel: [<ffffffff8109dfb0>] ? tick_sched_timer+0x0/0xc0
> Nov 29 12:44:45 alfieri kernel: [<ffffffff8102a01d>] ? lapic_next_event+0x1d/0x3
> 0
> Nov 29 12:44:45 alfieri kernel: [<ffffffff8106f681>] ? __do_softirq+0xc1/0x1d0
> Nov 29 12:44:45 alfieri kernel: [<ffffffff81092c60>] ? hrtimer_interrupt+0x140/0
> x250
> Nov 29 12:44:45 alfieri kernel: [<ffffffff8100c2cc>] ? call_softirq+0x1c/0x30
> Nov 29 12:44:45 alfieri kernel: [<ffffffff8100df05>] ? do_softirq+0x65/0xa0
> Nov 29 12:44:45 alfieri kernel: [<ffffffff8106f465>] ? irq_exit+0x85/0x90
> Nov 29 12:44:45 alfieri kernel: [<ffffffff814e3200>] ? smp_apic_timer_interrupt+
> 0x70/0x9b
> Nov 29 12:44:45 alfieri kernel: [<ffffffff8100bc93>] ? apic_timer_interrupt+0x13
> /0x20
> Nov 29 12:44:45 alfieri kernel: <EOI>  [<ffffffff8103628b>] ? native_safe_halt+0
> xb/0x10
> Nov 29 12:44:45 alfieri kernel: [<ffffffff810142ed>] ? default_idle+0x4d/0xb0
> Nov 29 12:44:45 alfieri kernel: [<ffffffff81009e86>] ? cpu_idle+0xb6/0x110
> Nov 29 12:44:45 alfieri kernel: [<ffffffff814d455a>] ? start_secondary+0x202/0x2
> 45
> Nov 29 12:44:45 alfieri kernel: ---[ end trace 0b6283138eb5f149 ]---
> Nov 29 12:44:45 alfieri kernel: bnx2 0000:01:00.0: em1: DEBUG: intr_sem[0] PCI_C
> MD[00100000]
> Nov 29 12:44:45 alfieri kernel: bnx2 0000:01:00.0: em1: DEBUG: PCI_PM[19002008]
> PCI_MISC_CFG[92000000]
> Nov 29 12:44:45 alfieri kernel: bnx2 0000:01:00.0: em1: DEBUG: EMAC_TX_STATUS[ff
> ffffff] EMAC_RX_STATUS[ffffffff]
> Nov 29 12:44:45 alfieri kernel: bnx2 0000:01:00.0: em1: DEBUG: RPM_MGMT_PKT_CTRL
> [ffffffff]
> Nov 29 12:44:45 alfieri kernel: bnx2 0000:01:00.0: em1: DEBUG: MCP_STATE_P0[ffff
> ffff] MCP_STATE_P1[ffffffff]
> Nov 29 12:44:45 alfieri kernel: bnx2 0000:01:00.0: em1: DEBUG: HC_STATS_INTERRUP
> T_STATUS[ffffffff]
> Nov 29 12:44:45 alfieri kernel: bnx2 0000:01:00.0: em1: DEBUG: PBA[ffffffff]
> Nov 29 12:44:47 alfieri kernel: bnx2: Chip not in correct endian mode
>
> Bryan Hepworth
> Assistant Institute Computing Officer
> Institute of Genetic Medicine
> Newcastle University
> International Centre for Life
> Newcastle
> NE1 3BZ
>
>
>
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