[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1081748
Title:
WARNING: at /build/buildd/linux-3.2.0/kernel/softirq.c:159
local_bh_enable+0x7a/0xa0()
Status in “linux” package in Ubuntu:
Expired
Bug description:
I receive the following stack trace in my dmesg output and I lose
connection to my server when moving a large amount of data on my
Ubuntu 12.04 lts server that is on Hyper-V. This happens when copying
data from my server over scp to another server or even tarring up a
local directory on the server. If I throttle the backup for example
with the pv command to 50mbps I dont have any problems. I monitor my
server with Nagios and it always says it went offline when moving
large amounts of data. I am not sure what else to go on.
Linux http5.server 3.2.0-33-generic #52-Ubuntu SMP Thu Oct 18 16:29:15
UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
[32607.861148] ------------[ cut here ]------------
[32607.861435] WARNING: at /build/buildd/linux-3.2.0/kernel/softirq.c:159
local_bh_enable+0x7a/0xa0()
[32607.861440] Hardware name: Virtual Machine
[32607.861442] Modules linked in: xt_multiport xt_tcpudp nf_conntrack_ipv4
nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables vesafb
joydev psmouse hid_hyperv hid serio_raw i2c_piix4 lp mac_hid parport hv_netvsc
hv_utils hv_storvsc floppy hv_vmbus
[32607.861478] Pid: 0, comm: swapper/0 Not tainted 3.2.0-33-generic #52-Ubuntu
[32607.861481] Call Trace:
[32607.861484] <IRQ> [<ffffffff81066f4f>] warn_slowpath_common+0x7f/0xc0
[32607.861495] [<ffffffff81066faa>] warn_slowpath_null+0x1a/0x20
[32607.861500] [<ffffffff8106dd7a>] local_bh_enable+0x7a/0xa0
[32607.861508] [<ffffffffa002fafe>] netvsc_linkstatus_callback+0xbe/0x160
[hv_netvsc]
[32607.861514] [<ffffffffa003104f>] rndis_filter_receive+0xff/0x180
[hv_netvsc]
[32607.861521] [<ffffffffa003033f>] netvsc_receive+0x23f/0x2d0 [hv_netvsc]
[32607.861527] [<ffffffffa003052b>] netvsc_channel_cb+0x15b/0x190 [hv_netvsc]
[32607.861535] [<ffffffffa0001649>] vmbus_on_event+0xa9/0x110 [hv_vmbus]
[32607.861541] [<ffffffff8106e0e8>] tasklet_action+0x78/0x140
[32607.861547] [<ffffffff8106e728>] __do_softirq+0xa8/0x210
[32607.861554] [<ffffffff81060d2a>] ? scheduler_tick+0x13a/0x2f0
[32607.861562] [<ffffffff8166586c>] call_softirq+0x1c/0x30
[32607.861568] [<ffffffff81015305>] do_softirq+0x65/0xa0
[32607.861573] [<ffffffff8106eb0e>] irq_exit+0x8e/0xb0
[32607.861579] [<ffffffff8166620e>] smp_apic_timer_interrupt+0x6e/0x99
[32607.861583] [<ffffffff816640de>] apic_timer_interrupt+0x6e/0x80
[32607.861586] <EOI> [<ffffffff81090d05>] ? sched_clock_local+0x25/0x90
[32607.861597] [<ffffffff8103cf8b>] ? native_safe_halt+0xb/0x10
[32607.861603] [<ffffffff8101b983>] default_idle+0x53/0x1d0
[32607.861608] [<ffffffff81012236>] cpu_idle+0xd6/0x120
[32607.861619] [<ffffffff8162166e>] rest_init+0x72/0x74
[32607.861626] [<ffffffff81cfbc03>] start_kernel+0x3b0/0x3bd
[32607.861632] [<ffffffff81cfb388>] x86_64_start_reservations+0x132/0x136
[32607.861637] [<ffffffff81cfb140>] ? early_idt_handlers+0x140/0x140
[32607.861642] [<ffffffff81cfb459>] x86_64_start_kernel+0xcd/0xdc
[32607.861645] ---[ end trace ff5ae60d77ec44cd ]---
[32607.865515] hv_vmbus: child device
\xffffffe0yV\xffffffdd\x02\xffffff88\xffffffff\xffffffff9 unregistered
[32607.865758] hv_vmbus: child device unregistered
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