Date: Sun, 24 Sep 2017 13:14:31 +0000 From: andrei@fazik.net.ua To: khellman@mcprogramming.com Cc: freebsd-stable@freebsd.org Subject: Re: CAM status: Command timeout Message-ID: <4ced7d7f82a09156b3c697cb759b41f5@fazik.net.ua> In-Reply-To: <20170921233416.GC2994@dane.localdomain> References: <20170921233416.GC2994@dane.localdomain> <a27d42f3a940534504363b031793dbf5@fazik.net.ua>
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22 сентября 2017 г., 02:35, "Keith Hellman" <khellman@mcprogramming.com> написал: > On Wed, Sep 20, 2017 at 11:06:11PM +0000, freebsd-stable List wrote: > >> Sometimes it even can boot, but in few minutes will hang with same errors. >> >> Hardware: Supermicro X8DTN+-F / 6xWD1502FYPS-02W3B0 /2xE5649 >> HDDs connected to sata ports on baseboard. >> If I add >> hint.ata.2.mode=PIO4 >> hint.ata.3.mode=PIO4 >> hint.ata.4.mode=PIO4 >> hint.ata.5.mode=PIO4 >> to device.hints I'm able to boot but performance of IO becomes really disappointing. >> Also, if I add something like "find / -name something" to zfs rc script, than boots fine. > > Boots fine but hangs in a few minutes? Or all is good to go? Here is a > thught: it could be the find / ... command is causing enough delay to > let some hardware "settle down" and behave more reasonably. Can you > replace the find cmd with an equivalent sleep(1) command of like > duration and get the same results? > >> If I roll back system to 11.0 all works fine again. > > Seemingly minor deltas in the system could have had the needed delay > as an implicit part of the system... > > Just my 2c Nope, it can't boot fine at all, or init will get segfault or ttys or just system becomes unresponsive and I can't even login, so this heppens during start of services. I've also tried to disable all "non-base" services, but without success. As for trying just sleep - it doesn't helps. Seems that find helps because of caching by system triggered by find. > -- > Keith Hellman #include <disclaimer.h> > khellman@mcprogramming.com from disclaimer import standard > khellman@mines.edu gpg key 9FCF40FD > freenode.net as mrtuple > > "The First Python function ever written (takes place in the Garden of Eden)" > > Guido sayeth "I will write def foo():" > "Hmm, I could use an import, or two", > Satan said, in a whirl, "Why not write it in Perl?", > and the second function ever written - def foo_you(): > > -- Python Limmerick Contest submission by cappy2112 > http://groups-beta.google.com/group/comp.lang.python/browse_thread/thread/d7a780beaff2e88a
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