Re: Intel NIC stops working

2011-10-02 Thread Johannes
Hi, thanks for the replies, I was very busy and lost the focus on this issue. However, the last weeks the temperatures were lower and the problem did not show up again. So I think the problem was triggered by the high temperatures, and my cooling (still) seems to be inadequate. Sorry for answeri

Re: em(4) high latency w/o msix

2011-10-02 Thread Jack Vogel
On what hardware? Jack On Sun, Oct 2, 2011 at 6:42 AM, Hooman Fazaeli wrote: > > Latest em(4) driver from HEAD seems to have high latency > when MSIX is disabled. > > With MSIX enabled (hw.em.enable_msix=1): > > # ping -c5 192.168.1.83 > PING 192.168.1.83 (192.168.1.83): 56 data bytes > 64 byt

Re: em(4) high latency w/o msix

2011-10-02 Thread Arnaud Lacombe
Hi, On Sun, Oct 2, 2011 at 12:08 PM, Jack Vogel wrote: > On what hardware? > Only the 82574 is using em(4)'s MSI-X. - Arnaud > Jack > > > On Sun, Oct 2, 2011 at 6:42 AM, Hooman Fazaeli wrote: > >> >> Latest em(4) driver from HEAD seems to have high latency >> when MSIX is disabled. >> >> With

Re: em(4) high latency w/o msix

2011-10-02 Thread Jack Vogel
There are differences between adapter and LOM, furthermore, someone could toggle the variable on hardware not using it... SO my question stands, I want to know hardware details. Jack On Sun, Oct 2, 2011 at 5:29 PM, Arnaud Lacombe wrote: > Hi, > > On Sun, Oct 2, 2011 at 12:08 PM, Jack Vogel wr

Re: em(4) high latency w/o msix

2011-10-02 Thread Arnaud Lacombe
Hi, On Sun, Oct 2, 2011 at 8:29 PM, Arnaud Lacombe wrote: > Hi, > > On Sun, Oct 2, 2011 at 12:08 PM, Jack Vogel wrote: >> On what hardware? >> > Only the 82574 is using em(4)'s MSI-X. > FWIW, I'm not seeing this issue on a 82574 box I've access to: result of the following command: # ping -nqt