Date: Tue, 25 Jun 2013 20:30:00 GMT From: Antoine =?utf-8?Q?Beaupr=C3=A9?= <anarcat@koumbit.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/179975: igb(4) fails to do polling(4) Message-ID: <201306252030.r5PKU065077055@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
The following reply was made to PR kern/179975; it has been noted by GNATS. From: Antoine =?utf-8?Q?Beaupr=C3=A9?= <anarcat@koumbit.org> To: Mark Johnston <markj@freebsd.org> Cc: bug-followup@freebsd.org Subject: Re: kern/179975: igb(4) fails to do polling(4) Date: Tue, 25 Jun 2013 16:20:05 -0400 --=-=-= Content-Transfer-Encoding: quoted-printable On 2013-06-25 16:10:10, Mark Johnston wrote: > Hello, > > Prior to the change in the above-mentioned PR, igb's polling mode only > worked with a single queue enabled. I submitted a patch to get it to > work with multiple queues, and it was committed in r239109. It didn't > make it into 9.1 though, so igb's polling mode with multiple queues is > broken. > > You have two options. The first is to apply the above revision to your > driver and recompile the kernel. I can help you with this if you need > it. The second is to tell igb to only use one queue, using the following > lines in /boot/loader.conf: > > hw.igb.num_queues=3D1 > > You'll need to reboot to apply it. I don't think there's really much > reason to have multiple queues enabled in polling mode, I just had a > special use case. Hi! Thank you very much for the fast response! I have recompiled with the patch and things seem to be holding. I will keep the loader.conf hack in mind for now. Will this patch make it to 9.2 or 9.1-p4? Thanks! =2D-=20 The individual has always had to struggle to keep from being overwhelmed by the tribe. If you try it, you will be lonely often, and sometimes frightened. But no price is too high to pay for the privilege of owning yourself. - Friedrich Nietzsche --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBCAAGBQJRyft1AAoJEHkhUlJ7dZIeqkgP/1wap1S1kLlPHYP1SUxFgDXL gvPoeCZC3rdmPUWL6jWcR1G6G3oX5+SrYVMOotlZ7rsq7zbCxWwPvQFDEe9Tja2n 1azv4TiqrM1lpUHR88bptch91mi1QwznSNfsIazF3bfWsuGCMSCmVrB3XXxweibN Yjvpoz7lVY1CpDhfdD5FC6dXb8ibSXv/VpNrwB83BLIl/wnetizwCuLZAOs8hG/6 UF0nuOaLRTvqSKy0GrezUCchQDx9cy67TlpOOdi1L3187C9MXx2/hrkHD4NjC0T7 wcl4OHtGjA7Q+mu/owZbrdzHVR9LRUXwQuQpRLWb5aEBCt/jXeSLwZ+K0kj5+3F8 cVmtYNwnuKpa9k28rLQ7LU+9x2McIN5in53IfOH9vfPcWHKzP+hZxlANL9qugO+k ubQ00m38R61a4tC6HHzkJjWtMnBL8uXDJqsFt30owOE0oNgZKOieZ1AFdseR2IxY /0hxznFx+hk9ePbKysPFBQLIrFwzQR5R95gIcSNmQyRcrJ+NxdOPl2m3LLoxQ+n9 jxkpOZAVm6UPymmErMHp/UWtVk5URRi4E4m8EpeGTetDqAFZReKclAUY4e+KhVuc BFzgU3n+InJXo3psDZNwhJ74V+ulQv4Nw2UewrtmHEhm2OJRgoU76rVKERbsAkdA oGGSDFVrBjAI9XbwXno2 =2M7g -----END PGP SIGNATURE----- --=-=-=--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201306252030.r5PKU065077055>