Date: Sat, 09 Apr 2016 08:27:27 -0700 From: John Baldwin <jhb@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Wolfgang Zenker <wolfgang@lyxys.ka.sub.org>, freebsd-current@freebsd.org, freebsd@grem.de Subject: Re: Acer C720 crash at boot Message-ID: <1560530.UPOY1Ni5U9@ralph.baldwin.cx> In-Reply-To: <20160409142535.GP1741@kib.kiev.ua> References: <20160409121004.GA69051@lyxys.ka.sub.org> <20160409132746.GA69968@lyxys.ka.sub.org> <20160409142535.GP1741@kib.kiev.ua>
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On Saturday, April 09, 2016 05:25:35 PM Konstantin Belousov wrote: > On Sat, Apr 09, 2016 at 03:27:46PM +0200, Wolfgang Zenker wrote: > > Done: http://cid2945g797.hs14.hosting.punkt.de/IMG_3762.JPG > > The immediate cause was the change in r297466, but the code that existed > there, did not worked. It looks as a bug in ichiic, set_controller() > use msleep() with timeout too early when compiled into the kernel. Can you try this change: diff --git a/sys/dev/ichiic/ig4_iic.c b/sys/dev/ichiic/ig4_iic.c index a556127..23bdb7d 100644 --- a/sys/dev/ichiic/ig4_iic.c +++ b/sys/dev/ichiic/ig4_iic.c @@ -117,7 +117,10 @@ set_controller(ig4iic_softc_t *sc, uint32_t ctl) error = 0; break; } - mtx_sleep(sc, &sc->io_lock, 0, "i2cslv", 1); + if (cold) + DELAY(1000); + else + mtx_sleep(sc, &sc->io_lock, 0, "i2cslv", 1); } return (error); } -- John Baldwin
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