iflib-if_em tests with HEAD and lagg panic [Was: Re: svn commit: r333338 - in stable/11/sys: dev/bnxt kern net sys]

[Sean Bruno]

On 05/08/18 10:23, Harry Schmalzbauer wrote:
> Bezüglich Kevin Bowling's Nachricht vom 08.05.2018 11:52 (localtime):
> …
>>> But if the simple iflib/hw-support test with kawela+hartwell helps I'm
>>> happy to do.
>>
>> At this point it would be helpful, we think e1000 is nearing pretty
>> good shape and I need to become familiar with any outstanding bugs.
> 
> I started with hartwell:
> em1: attach_pre capping queues at 2
> 
> Current cap: 0x460b
> em1: using 1024 tx descriptors and 1024 rx descriptors
> em1: msix_init qsets capped at 2
> em1: pxm cpus: 2 queue msgs: 4 admincnt: 1
> em1: using 2 rx queues 2 tx queues
> em1: Using MSIX interrupts with 3 vectors
> em1: allocated for 2 tx_queues
> em1: allocated for 2 rx_queues
> em1: Ethernet address: 00:1b:21:3e:90:52
> em1: netmap queues/slots: TX 2/1024, RX 2/1024
> dev.em.1.iflib.driver_version: 7.6.1-k
> dev.em.1.queue_rx_1.rx_irq: 0
> dev.em.1.queue_rx_1.rxd_tail: 607
> dev.em.1.queue_rx_1.rxd_head: 21
> dev.em.1.queue_rx_0.rx_irq: 0
> dev.em.1.queue_rx_0.rxd_tail: 410
> dev.em.1.queue_rx_0.rxd_head: 412
> dev.em.1.queue_tx_1.tx_irq: 0
> dev.em.1.queue_tx_1.txd_tail: 8
> dev.em.1.queue_tx_1.txd_head: 8
> dev.em.1.queue_tx_0.tx_irq: 0
> dev.em.1.queue_tx_0.txd_tail: 428
> dev.em.1.queue_tx_0.txd_head: 428
> 
> Looks good so far, no problems with simple line speed (NFS4) copies.
> 
> According to the i217 (Clarkville) Datasheet, it also supports 2 queues:
> Table 63. Intel® Ethernet Controller I217 Capability PHY Address 01,
>           Page 776,Register 19
> But it probably was never supported, at least I haven't ever checked
> pre-iflib.
> Here's the clakville:
> em0: attach_pre capping queues at 1
> em0: using 1024 tx descriptors and 1024 rx descriptors
> em0: msix_init qsets capped at
> 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: 54:be:f7:0b:d7:4e
> em0: netmap queues/slots: TX 1/1024, RX 1/1024
> 
> Since it's not not effort here, I also tried LACP, which panicked.
> vmcore available, but what debugger to use these days? kgdb seems to be
> replaced...
> 
> -harry
> _____________

/usr/libexec/kgdb should be the old kgdb that you are used to.  Most of
us have switched to using devel/gdb from ports.

sean

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