On 13:59 Mon 29 Apr , Stephen Warren wrote: > On 04/29/13 12:41, Bryan Wu wrote: > >Forward to ARM and Tegra mail list. > > > >---------- Forwarded message ---------- > >From: Bryan Wu <cooloney@xxxxxxxxx> > >Date: Mon, Apr 29, 2013 at 11:15 AM > >Subject: Tegra 30 System hangs because of commit "pinctrl: move > >subsystem mutex to pinctrl_dev struct" > >To: patrice.chotard@xxxxxx, Linus Walleij <linus.walleij@xxxxxxxxxx> > >Cc: Stephen Warren <swarren@xxxxxxxxxxxxx>, > >"linux-next@xxxxxxxxxxxxxxx" <linux-next@xxxxxxxxxxxxxxx> > > > > > >Hi Patrice and Linus, > > > >I'm running linux-next on my Tegra 30 system everyday. But since > >next-20130426 release, the linux-next kernel will hang on my Tegra 30 > >boards like Cardhu and Beaver. > > > >After some bisect and comparing to next-20130424, I found the commit > >"pinctrl: move subsystem mutex to pinctrl_dev struct" introduced this > >issue. If I simply revert this patch in next-20130429, system boots up > >as before. > > > >Could you please help to check this? > > I would suggest simply dropping or reverting this patch; I had > pointed out a long time ago that it was unlikely to be correct. > > My guess/suspicion is a recursive lock attempt during processing > hogs during pinctrl device registration, or perhaps during dt->map > conversion. Bryan, are you able to confirm this? same issue on at91sam9g45ek revert it Best Regards, J. > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html