> > Could you please apply the following debug patch (due to Jiangshan and > > myself)? Then you should be able to build with CONFIG_RCU_TRACE, > > then mount debugfs after boot, for example, on /debug. This will > > create a /debug/rcu directory with three files, "rcucb", "rcu_data", > > and "rcu_bh_data". Since you are still able to log in, could you > > please send the contents of these three files? > > > > Thanx, Paul > > This time with the patch actually attached... Thanks to Peter Z. > for alerting me to my omission. Well, your patch doesn't apply on git head. However I used preemptible RCU instead and had tracing enabled. This is the output of the three files after it stalled (and continued, because I caused an interrupt by sending a network packet) twice: [root@h0545001 rcu]# cat rcuctrs CPU last cur F M 1 0 0 1 1 3 0 0 1 1 4 0 0 0 0 5 0 0 0 1 6 0 0 0 0 ggp = 1640, state = waitack [root@h0545001 rcu]# cat rcugp oldggp=1652 newggp=1655 [root@h0545001 rcu]# cat rcustats na=33948 nl=3 wa=33945 wl=0 da=33945 dl=0 dr=33945 di=0 1=0 e1=0 i1=1674 ie1=4 g1=1670 a1=1920 ae1=251 a2=1669 z1=1669 ze1=0 z2=1669 m1=4411 me1=2742 m2=1669 -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
