Re: em0 link fail

On 03/07/2018 18:47, Michael Butler wrote:
> On June 1st, I was able to do my monthly laptop ZFS snap-shot/back-up
> (using "zfs snapshot -r zroot_at_backup; zfs send -R >nfs-filesys"). Now I
> can't without the em0 interface stalling :-(
> 
> On a guess, I tried reverting SVN r335303 but that didn't help.
> 
> em0: <Intel(R) PRO/1000 Network Connection> port 0xf080-0xf09f mem
> 0xf7e00000-0xf7e1ffff,0xf7e39000-0xf7e39fff irq 20 at device 25.0 on pci0
> em0: attach_pre capping queues at 1
> em0: using 1024 tx descriptors and 1024 rx descriptors
> em0: msix_init qsets capped at 1
> em0: PCIY_MSIX capability not found; or rid 0 == 0.
> em0: Using an MSI interrupt
> em0: allocated for 1 tx_queues
> em0: allocated for 1 rx_queues
> em0: Ethernet address: f0:1f:af:66:95:7e
> em0: netmap queues/slots: TX 1/1024, RX 1/1024
> em0: link state changed to UP
> 
>   [ initiate "zfs send" ]
> 
> em0: TX(0) desc avail = 41, pidx = 172
> em0: link state changed to DOWN
> em0: TX(0) desc avail = 1024, pidx = 0
> em0: TX(0) desc avail = 1024, pidx = 0
> 
>   .. ad nauseum ..
> 
> "ifconfig em0 down; ifconfig em0 up" doesn't help.
> 
> Any hints?

Hi,

I'm not seeing any problems using em0/saturating upstream
using 12.0-CURRENT #0 r335979
-- 
J.