From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <48D6C8F0.4060808@ru.mvista.com> Date: Mon, 22 Sep 2008 02:21:36 +0400 From: Sergei Shtylyov MIME-Version: 1.0 To: Jon Smirl Subject: Re: solution to printk() blocking interrupts? References: <9e4733910809211353k1f06fb5bi219c124d0c44b47a@mail.gmail.com> <9e4733910809211443l5638887aw856377d39fcca85c@mail.gmail.com> In-Reply-To: <9e4733910809211443l5638887aw856377d39fcca85c@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-dev List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hello. Jon Smirl wrote: > On Sun, Sep 21, 2008 at 4:53 PM, Jon Smirl wrote: > >> Does anyone have a solution to the problem of printk() to a serial >> console blocking interrupts for too long? I'm losing interrupts I need >> because my hardware is getting overrun. >> > > netconsole is not an option on mpc5200.... > > Kernel command line: console=ttyPSC0,115200 rw debug root=/dev/nfs > ip=dhcp nfsroot=192.168.1.4:/home/OSELAS.BSP-Phytec-phyCORE-MPC5200B-tiny-6/root,v3,tcp > netconsole=6666@192.168.1.11/eth0,514@192.168.1.4/00:19:d1:e4:0f:8d > netconsole: local port 6666 > netconsole: local IP 192.168.1.11 > netconsole: interface eth0 > netconsole: remote port 514 > netconsole: remote IP 192.168.1.4 > netconsole: remote ethernet address 00:19:d1:e4:0f:8d > netconsole: eth0 doesn't support polling, aborting. > netconsole: cleaning up > Implementing the poll_controller() method in the network driver is usually staightforward. WBR, Sergei