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The ‘printer of fire’ error used to be a legitimate and important concern. Ye olde printers really could light their paper on fire under certain circumstances and they would typically be huge devices in dedicated rooms rather than something right next to your system. Letting people know to check on it when specific things went wrong probably saved a few buildings from burning down with people in them.
It was a legitimate but extremely rare concern with some early printers, yes (Wikipedia points out a particular early laser model from Xerox, plus an experimental machine from 1959, as printers that have legit caught on fire, but also points out that there is no known report of one of the old industrial-sized line or drum printers ever catching fire from friction despite it being a hypothesized failure mode). Thing is, those printers were, I believe, all obsolete by the time the Linux kernel was written. So the “on fire” error message is not likely to have been congruent with reality for any machine actually running Linux.
We’re talking about a kernel whose user-visible error messages have historically included things like “lp0 on fire” . . .
The ‘printer of fire’ error used to be a legitimate and important concern. Ye olde printers really could light their paper on fire under certain circumstances and they would typically be huge devices in dedicated rooms rather than something right next to your system. Letting people know to check on it when specific things went wrong probably saved a few buildings from burning down with people in them.
It was a legitimate but extremely rare concern with some early printers, yes (Wikipedia points out a particular early laser model from Xerox, plus an experimental machine from 1959, as printers that have legit caught on fire, but also points out that there is no known report of one of the old industrial-sized line or drum printers ever catching fire from friction despite it being a hypothesized failure mode). Thing is, those printers were, I believe, all obsolete by the time the Linux kernel was written. So the “on fire” error message is not likely to have been congruent with reality for any machine actually running Linux.