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 Post subject: What is your OSDev HELL NAAW! moment?
PostPosted: Thu Jan 05, 2017 1:38 am 
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Joined: Wed Oct 12, 2016 11:32 am
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Location: At my PC
I'll start. Mine is when I figured out why my BGA driver wasn't setting any pixels... It was page faulting when I accessed the buffer. :|


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 Post subject: Re: What is your OSDev HELL NAAW! moment?
PostPosted: Thu Jan 05, 2017 3:47 am 
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When I realized how poor my memory management was. I wasn't able to do any high resolution GUI because of that.

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Working on Basic OS, C++ Combined Kernel. OSDev is thrilling and exciting!
What does it take to learn Assembly? Your entire lifetime.


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 Post subject: Re: What is your OSDev HELL NAAW! moment?
PostPosted: Thu Jan 05, 2017 5:34 am 
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Joined: Thu Jul 12, 2012 7:29 am
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Location: Tallinn, Estonia
Mine was seeing yet another "What is your xxx moment?" post.

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Learn to read.


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 Post subject: Re: What is your OSDev HELL NAAW! moment?
PostPosted: Sat Jan 07, 2017 2:28 pm 
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Joined: Sat Dec 27, 2014 9:11 am
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Location: Maadi, Cairo, Egypt
When I got my OS to boot from SATA using AHCI on QEMU only to find out it doesn't work anywhere else (not in VirtualBox, or even different QEMU builds...) :oops:

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Byte me; OS site, source code.
You know your OS is advanced when you stop using the Intel programming guide as a reference.


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 Post subject: Re: What is your OSDev HELL NAAW! moment?
PostPosted: Sun Jan 08, 2017 1:17 am 
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I spent about 30 minutes attempting to debug some very simple GDT initialisation before realising I was using lidt instead of lgdt... not my finest moment.

- Mikumiku747


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 Post subject: Re: What is your OSDev HELL NAAW! moment?
PostPosted: Sun Jan 08, 2017 1:18 pm 
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Joined: Sun Dec 11, 2016 3:31 am
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After wasting over 10 hours debugging gdt and idts just to realize my gdt entries size was 0

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Working on BrainOS (github)

Push and Pray, Hope the build doesn't fail - bauen1 2017


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 Post subject: Re: What is your OSDev HELL NAAW! moment?
PostPosted: Wed Jan 11, 2017 4:25 am 
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>terminal_writechar doesn't work, but terminal_writestring does

Okay, i'll fix that

>terminal_writechar works, but terminal_writestring doesn't

...

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