Re: Bug in sbsndptr()

2013-03-04 Thread Lawrence Stewart
On 03/05/13 03:35, Andre Oppermann wrote: > On 26.02.2013 14:38, Lawrence Stewart wrote: >> Hi Andre, > > Hi Lawrence, :-) > >> A colleague and I spent a very frustrating day tracing an accounting bug >> in the multipath TCP patch we're working on at CAIA to a bug in >> sbsndptr(). I haven't test

Re: igb network lockups

2013-03-04 Thread Nick Rogers
On Mon, Mar 4, 2013 at 10:22 AM, Jack Vogel wrote: > >> >> Thanks. So on FreeBSD 9.1-RELEASE it is advisable to set >> hw.em.enable_msix=0 for 82574L? Are there other em(x) NICs where this >> is advisable? >> > > As I explained in a previous email, this is not advisable unless you are > experienci

Re: igb network lockups

2013-03-04 Thread Zaphod Beeblebrox
For everyone having lockup problems with IGB, I'd like to ask if they could try disabling hyperthreads --- this worked for me on one system but has been unnecessary on others. ___ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listi

Re: igb network lockups

2013-03-04 Thread Jack Vogel
> > Thanks. So on FreeBSD 9.1-RELEASE it is advisable to set > hw.em.enable_msix=0 for 82574L? Are there other em(x) NICs where this > is advisable? > > As I explained in a previous email, this is not advisable unless you are experiencing problems (like hangs), if you are then its one possible caus

Re: igb network lockups

2013-03-04 Thread Jack Vogel
On Sun, Mar 3, 2013 at 2:14 AM, Sepherosa Ziehau wrote: ... > > > For 82574L, i.e. supported by em(4), MSI-X must _not_ be enabled; it > is simply broken (you could check 82574 errata on Intel's website to > confirm what I have said here). > If you actually checked the errata you will find that i

Re: igb network lockups

2013-03-04 Thread Nick Rogers
On Sun, Mar 3, 2013 at 2:14 AM, Sepherosa Ziehau wrote: > On Sat, Mar 2, 2013 at 12:18 AM, Nick Rogers wrote: >> On Fri, Mar 1, 2013 at 8:04 AM, Nick Rogers wrote: >>> FWIW I have been experiencing a similar issue on a number of systems >>> using the em(4) driver under 9.1-RELEASE. This is after

Re: Bug in sbsndptr()

2013-03-04 Thread Andre Oppermann
On 26.02.2013 14:38, Lawrence Stewart wrote: Hi Andre, Hi Lawrence, :-) A colleague and I spent a very frustrating day tracing an accounting bug in the multipath TCP patch we're working on at CAIA to a bug in sbsndptr(). I haven't tested it with regular TCP yet, but I believe the following pa

Current problem reports assigned to freebsd-net@FreeBSD.org

2013-03-04 Thread FreeBSD bugmaster
Note: to view an individual PR, use: http://www.freebsd.org/cgi/query-pr.cgi?pr=(number). The following is a listing of current problems submitted by FreeBSD users. These represent problem reports covering all versions including experimental development code and obsolete releases. S Tracker