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Added warning in case the laws of logic changes.

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This commit is contained in:
Jonas 'Sortie' Termansen 2012-08-01 19:02:24 +02:00
parent 2e3843ffce
commit 4810ccae39
1 changed files with 11 additions and 0 deletions
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11
sortix/initrd.cpp
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@ -175,6 +175,17 @@ void CheckSum()
}
uint32_t crc32 = *((uint32_t*) filesum);
uint32_t filecrc32 = CRC32::Hash(initrd, amount);
uint32_t doublecheck = CRC32::Hash(initrd, amount);
if ( filecrc32 != doublecheck )
{
// Yes, this has happened. This seems like the goto place for such bugs
// to trigger, so I added a more accurate warning.
Panic("Calculating InitRD checksum two times gave different results: "
"this likely means the kernel have a corruption bug, possibly "
"caused by building libc and kernel with different settings or "
"a bug in the scheduler/interrupt handler or who knows. "
"It is also possible that the laws of logic has changed.");
}
if ( crc32 != filecrc32 )
{
PanicF("InitRD had checksum %X, expected %X: this means the ramdisk "