dmesg troubleshooting

[Predrag Punosevac]

> Sepherosa Ziehau <sepherosa at gmail.com> wrote:
> 
> > Hmm, the Realtek interface is the cause of the interrupt storm.  So
> > the timer probably is not working.  Try following:
> > sysctl net.ifpoll.0.pollhz=1000
> > sysctl net.ifpoll.1.pollhz=1000
> > ifconfig re0 polling
> > 
> 
> more /etc/sysctl.conf 
> net.ifpoll.0.pollhz=1000
> net.ifpoll.1.pollhz=1000
> 
> 
> I removed 
> 
> hw.ioapic_enable=0
> 
> from 
> 
> /boot/loader.conf.local
> 
> reboot
> 
> So far no interrupt storm in dmesg. I will check tomorrow again.
> 
> Predrag

24h later the tail of dmesg looks free of interrupt storms. Please see
below. It looks like you solution worked.

Predrag


dfly# dmesg|tail -n 40
sc0: VGA <16 virtual consoles, flags=0x300>
hpt27xx: no controller detected.
CAM: Configuring 4 busses
CAM: finished configuring all busses
da0 at ahci0 bus 0 target 0 lun 0
da0: <SATA TS32GMTS400 2014> Fixed Direct Access SCSI-4 device 
da0: Serial Number B620550018
da0: 600.000MB/s transfers
da0: 30533MB (62533296 512 byte sectors: 255H 63S/T 3892C)
da0: supports TRIM
da1 at ahci0 bus 2 target 0 lun 0
da1: <SATA WDC WD30EZRX-00M 80.0> Fixed Direct Access SCSI-4 device 
da1: Serial Number WD-WCAWZ2969584
da1: 300.000MB/s transfers
da1: 2861588MB (5860533168 512 byte sectors: 255H 63S/T 364801C)
da2 at ahci0 bus 4 target 0 lun 0
da2: <SATA WDC WD30EZRX-00M 80.0> Fixed Direct Access SCSI-4 device 
da2: Serial Number WD-WCAWZ2111282
da2: 300.000MB/s transfers
da2: 2861588MB (5860533168 512 byte sectors: 255H 63S/T 364801C)
da1 part 0: unavailable, bad start or ending lba
da2 part 0: unavailable, bad start or ending lba
no B_DEVMAGIC (bootdev=0)
Mounting root from hammer:serno/B620550018.s1d
HAMMER(ROOT) recovery check seqno=08e0505a
HAMMER(ROOT) recovery range 3000000017a0f708-3000000017a0f708
HAMMER(ROOT) recovery nexto 3000000017a0f708 endseqno=08e0505b
HAMMER(ROOT) mounted clean, no recovery needed
DMA space used: 10080k, remaining available: 131072k
Mounting devfs
HAMMER(DATA) recovery check seqno=30bfbb0f
HAMMER(DATA) recovery range 30000000304c68b8-30000000304c68b8
HAMMER(DATA) recovery nexto 30000000304c68b8 endseqno=30bfbb10
HAMMER(DATA) mounted clean, no recovery needed
HAMMER(BACKUP) recovery check seqno=04274fa1
HAMMER(BACKUP) recovery range 3000000025e2c488-3000000025e2c488
HAMMER(BACKUP) recovery nexto 3000000025e2c488 endseqno=04274fa2
HAMMER(BACKUP) mounted clean, no recovery needed
swap low/high-water marks set to 67683/101525
pflog0: promiscuous mode enabled