Re: intr 11 livelock limit messages

[Mark Doe <mark.doe.priv@xxxxxxxxx>]

Sepherosa Ziehau wrote:

> On Sun, Jul 31, 2011 at 12:49 AM, Mark Doe <mark.doe.priv@gmail.com>
> wrote:
>> Edward M. wrote:
>>
>>> On 07/30/11 06:05, Pang Yan Han wrote:
>>>> Hi guys,
>>>>
>>>> I've just installed DragonFlyBSD 2.10.1 and kept seeing
>>>> the below messages at some point of booting:
>>>>
>>>> intr 11 at 40001/40000 hz, livelocked limit engaged!
>>>> intr 11 at xxxxx/20000 hz, livelock removed
>>>>
>>>> It alternates between the above 2 messages and occurs
>>>> without stop, even after I've logged in.
>>>>
>>>> May I know what is causing this and how can I solve it?
>>>>
>>>> Thanks.
>>>
>>>
>>> I was also getting getting the same messages, but they stop, when
>> i
>>> switched from 32bit to 64 bit
>>> DragonFlyBSD.install.
>>>
>>> Regards,
>>> Edward
>>
>> I am still getting this messages on a 64Bit box (2.11-DEVEL).
>>
>> They start when i plugin a network card (doesnt matter which one,
>> tested with 4 different brands) AND running on IDE mode instead of
>> AHCI.
> 
> Please post the boot_verbose dmesg, vmstat -iv, acpidump -t and acpidump
> -v
> 
> Best Regards,
> sephe
> 

the normal dmesg reveals that livelock starts immediately after getting 
networkcard em0 (doesnt matter which brand here) active!

dmesg | tail -150


<snip>
ar0: 1907739MB <FreeBSD PseudoRAID RAID0+1 (stripe 128 KB)> status: READY
ar0: 3907049984 sectors [46594C/255H/63S] <> subdisks defined as:
ar0: disk0 READY (master) using ad8 at ata4-master
ar0: disk1 READY (master) using ad10 at ata5-master
ar0: disk2 READY (mirror) using ad12 at ata6-master
ar0: disk3 READY (mirror) using ad14 at ata7-master
********** ATA PseudoRAID ar1 Metadata **********
=================================================
format              Intel MatrixRAID
type                RAID1
flags               0x01 1<READY>
magic_0             0x000000004e318ed5
magic_1             0x0000000000000000
generation          1
total_sectors       976773165
offset_sectors      0
heads               255
sectors             63
cylinders           60801
width               1
interleave          8
total_disks         2
    disk 0:      flags = 0x0b b<ONLINE,ASSIGNED,PRESENT>
        ad16:  sectors 976773165
    disk 1:      flags = 0x0b b<ONLINE,ASSIGNED,PRESENT>
        ad18:  sectors 976773165
=================================================
No policy for ar1 specified, or policy not found
disk scheduler: set policy of ar1 to noop
ar1: 476940MB <Intel MatrixRAID RAID1> status: READY
ar1: 976773165 sectors [60801C/255H/63S] <> subdisks defined as:
ar1: disk0 READY (master) using ad16 at ata8-master
ar1: disk1 READY (mirror) using ad18 at ata9-master
ar0: Found GPT in slice #1
Mounting root from hammer:serno/WD-WCAV9L391158.s1d
tryroot serno/WD-WCAV9L391158.s1d
HAMMER(ROOT) recovery check seqno=01341e57
HAMMER(ROOT) recovery range 30000000136c4a30-30000000136c4a30
HAMMER(ROOT) recovery nexto 30000000136c4a30 endseqno=01341e58
HAMMER(ROOT) mounted clean, no recovery needed
Mounting devfs
start_init: trying /sbin/init
em0: Link is up 1000 Mbps Full Duplex
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 6/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 5/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 5/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 4/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 4/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 0/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 4/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 5/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 3/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 5/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 5/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 4/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 0/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 5/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 0/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 5/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 5/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 0/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 3/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 0/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 405/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 403/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 0/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 406/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 403/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 403/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 403/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 403/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 404/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!
intr 19 at 403/20000 hz, livelock removed
intr 19 at 40001/40000 hz, livelocked limit engaged!

su-4.2#