Date: Wed, 4 May 2011 09:58:38 +0200 From: Olivier Smedts <olivier@gid0.org> To: Jack Vogel <jfvogel@gmail.com> Cc: FreeBSD current mailing list <current@freebsd.org>, Michael Schmiedgen <schmiedgen@gmx.net>, Mike Tancsa <mike@sentex.net> Subject: Re: problems with em(4) since update to driver 7.2.2 Message-ID: <BANLkTinMod1M=xrVDFbbyMLtyujQ=HjEYg@mail.gmail.com> In-Reply-To: <BANLkTin1ykoo80%2B9iWe%2Bg5ib1DXw%2B05BgQ@mail.gmail.com> References: <BANLkTinrfZbO%2BMUDDuzsoaN1y-=_O8LgNA@mail.gmail.com> <4D94A354.9080903@sentex.net> <AANLkTik_XPsVWL-KqHkPic1KQ0SdCSk6u_9ykRefi3VE@mail.gmail.com> <BANLkTi=K5ASG9TWLAh5r%2Bzo9Wy1stMf9WA@mail.gmail.com> <BANLkTikPPzxZ6XRAaqrvdeXBp=Ydvz7hNg@mail.gmail.com> <BANLkTi=rhZ0dyO6Zq13jY6-NKVE8n24YyQ@mail.gmail.com> <4DC07013.9070707@gmx.net> <BANLkTi=DmQsVvJOaoxMr5GPOLkjs7sdTxQ@mail.gmail.com> <4DC078BD.9080908@gmx.net> <BANLkTin1ykoo80%2B9iWe%2Bg5ib1DXw%2B05BgQ@mail.gmail.com>
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2011/5/4 Jack Vogel <jfvogel@gmail.com>: > It has nothing to do with load, it has to do with the prerequisites to in= it > your interfaces. > The amount you need is fixed, it doesn't vary with load. Every RX descrip= tor > needs one, > so its simple math, number-of-interfaces X number-of-queues X size of the > ring. > > If you have other network interfaces beside Intel they also consume mbufs > remember. Only one network interface. # kldunload if_em.ko (the old one) # sysctl kern.ipc.nmbclusters=3D512000 (I also tried with lower and more meaningful values) # kldload ./if_em.ko (the new one) # dmesg em0: detached pci0: <network, ethernet> at device 25.0 (no driver attached) em0: <Intel(R) PRO/1000 Network Connection 7.2.3> port 0x2100-0x211f mem 0xf0000000-0xf001ffff,0xf0025000-0xf0025fff irq 19 at device 25.0 on pci0 em0: Using an MSI interrupt em0: Ethernet address: d4:85:64:b2:aa:f5 em0: Could not setup receive structures em0: Could not setup receive structures What can we do to help you debug this ? --=20 Olivier Smedts=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=A0 _ =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= =A0 ASCII ribbon campaign ( ) e-mail: olivier@gid0.org=A0 =A0 =A0 =A0 - against HTML email & vCards=A0 X www: http://www.gid0.org=A0 =A0 - against proprietary attachments / \ =A0 "Il y a seulement 10 sortes de gens dans le monde : =A0 ceux qui comprennent le binaire, =A0 et ceux qui ne le comprennent pas."
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