Eugene Grosbein eugen at grosbein.net wrote on Mon Mar 5 12:20:47 UTC 2018 :
> 05.03.2018 19:10, Dimitry Andric wrote: > >>> When no boot drive is detected early enough, the kernel goes to the >>> mountroot prompt. That seems to hold a Giant lock which inhibits >>> further progress being made. Sometimes progress can be made by trying >>> to mount unmountable partitions on other drives, but this usually goes >>> too fast, especially if the USB drive often times out. >> >> What I would like to know, is why our USB stack has such timeout issues >> at all. When I boot Linux on the same type of hardware, I never see USB >> timeouts. They must be doing something right, or maybe they just don't >> bother checking some status bits that we are very strict about? > > This is heavily hardware-dependent. You may have no issues with some > software+hardware combination and long timeouts with same software > but different hardware. Dimitry's example is for changing the software for the same(?) hardware, if I understand right. (FreeBSD vs. some Linux distribution.) (?: He did say "type of".) Perhaps that type of hardware can be used to figure out the difference. === Mark Millard marklmi at yahoo.com ( markmi at dsl-only.net is going away in 2018-Feb, late) _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
