The fact that it does not affect most 64-bit systems may also encourage complacency. The time_t rollover is still over 14 years away, so solving it might not appear to be an urgent problem. The summit was held in conjunction with the inaugural Embedded Open Source Summit in Prague, Czechia at the end of June. As might be guessed, the first two questions were on just those topics, but there were plenty of other questions (and answers) too. The talk was billed as a "Q&A about PREEMPT_RT" with a caveat: "anything except printk() and documentation". In a session at the 2023 Real Time Linux Summit, Thomas Gleixner answered questions about the realtime feature of the kernel, its status, and the Real-Time Linux project's plans for the future. As it turns out, knowing how the mechanical linkages work is the secret behind converting the Selectric into a teletype, entirely within the original enclosure and with as few modifications to the existing mechanism as possible. The first couple of minutes of the video after the break show not only the minimal repairs needed to get the typewriter back on its feet, but also a whirlwind tour of the remarkably complex mechanisms that turn keypresses into characters on the page. The best we’ve ever done is a nasty old microwave.įor being a dumpster find, the Selectric II was actually in pretty decent shape. Because that’s where he found the donor machine for this project, and it wasn’t even the first one he’s come across in the trash. If there’s only lesson to be learned from ’s conversion of an IBM Selectric typewriter into a serial terminal for Linux, it’s that we’ve been hanging around the wrong garbage cans.
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