Date: Fri, 18 Jan 2019 17:34:54 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 235031] [em] em0: poor NFS performance, strange behavior Message-ID: <bug-235031-7501-Bc0oP8lmmb@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-235031-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-235031-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235031 --- Comment #10 from Eugene Grosbein <eugen@freebsd.org> --- (In reply to Martin Birgmeier from comment #9) >I added hw.pci.enable_msi=0 to /boot/loader.conf, which was a bad idea, because with this, after loading the kernel, the system does not find ada0 anymore. That's why I suggested to use loader prompt. Next time, if you need to test something like this and cannot use loader prompt directly, use nextboot(8) feature that guarantees safe fallback to known working configuration even if boot is broken during experiment: you add "hw.pci.enable_msi=0" (or another setting) to /boot/nextboot.conf that is created with nextboot(8) command and loader uses nextboot.conf for one time only ignoring it for successive loading attempts and nextboot.conf is removed completely during first successfull boot. You can even change root file system name, kernel name or set of loaded kernel modules using nextboot safely. -- You are receiving this mail because: You are the assignee for the bug.
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