On 22.04.2012 20:49, Karthik Krishna wrote: > Hi there, > > I am an engineering student from India. I have been using Linux > Distros for some time. With its varied uses i have come to like GRUB > very much. But i wish to say that there are certain things that are > not user friendly and needs a bit of change. > Such presentations are redundant. We treat the patches all the same independently of who you are. > First of all, if a drive is deleted or edited using any partition > manager, GRUB does not know anything about it. And so in the ensuing > part of booting, it shows a boot error. i have been seeing this as my > friends keep coming to me to "FIX" their boot. The problem lies in > GRUB's steep learning curve in the fixing department. when the grub > error screen comes up, one has to come up with a plan to go to the > internet and see the required grub error codes and relevant data to > fix it. Thereby restoring grubs working. But the thing is you need an > another PC/laptop with a working internet to see the codes or relevant > data. i have been doing this for some time. i see that people who wish > to use Linux have a hard time using it fully, especially when it comes > to its boot-loader. GRUB2 has no error codes at all. > > The onset of boot-loader problems really bogs down the motivation to > move forward. > > So I wish to develop GRUB a bit so that it may be easy to use even in > the case of error handling. I just dont know where to start. I know > assembly, a bit of c and c++. I have heard of nasm and used gcc. So > how do i develop it? I wanted to make a code that automatically > detects partitions and checks it with a library of partitions to see > if it has been changed or not. So that way the user is given the > freedom of not doing anything rather letting GRUB doing the work for > the user. i can develop the code using a simple algorithm. i want to > make grub more smarter when it comes to handling errors and freeing > the user. > In most places GRUB2 uses UUIDs which shouldn't change on partition modifications. The only place another form is used is on prefix specification and platform-specific install (embedding zone, EFI partition, PreP and so on). It's possible to add --no-use-partition-number to grub-install for the first part, the patch is 3-5 lines, but it increases kernel size. As for the second, there is no way around it as on most platforms it's tied in to platform limitations. You need to rerun grub-install after important partitioning changes.
-- Regards Vladimir 'φ-coder/phcoder' Serbinenko
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