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Comparing Kernel Dmesgs: Remove Timing Info and Diff Side by Side

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I often wanted to compare what new messages appear or disappear in a new kernel so check out what might have changed, esp. when debugging. The problem is that diff is confused by the timing information that is by default prepended to dmesg information in Ubuntu kernels. Here's how to remove the timing information to have a clean, diff-compatible dmesg log...

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