very professional! -------------------------------------------------- From: <michi1@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> Sent: Saturday, March 03, 2012 6:55 PM To: "hujun_hotmail" <duanshuidao@xxxxxxxxxxx> Cc: "newbies kenel" <kernelnewbies@xxxxxxxxxxxxxxxxx> Subject: Re: What is the difference between a kernel BUG and a kernel Oops? > Hi! > > On 17:38 Sat 03 Mar , hujun_hotmail wrote: >> I want to know what is the difference between a kernel BUG and a kernel >> Oops , who can tell me? > > A BUG() is something like an assertion. Basically this means that a > developer > thought that a certain situation should never be happen and if it does, > execution should stop. It is possible to ignore this and continue > executing: > > config BUG > bool "BUG() support" if EXPERT > default y > help > Disabling this option eliminates support for BUG and WARN, > reducing > the size of your kernel image and potentially quietly ignoring > numerous fatal conditions. You should only consider disabling > this > option for embedded systems with no facilities for reporting > errors. > Just say Y. > > A kernel oops is basically a crash. This can be caused by bad memory > accesses > and things like that. > > -Michi > -- > programing a layer 3+4 network protocol for mesh networks > see http://michaelblizek.twilightparadox.com > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
