On Monday 09 March 2009, Frans Pop wrote: > Follow-up to an issue reported on the linux-s390 list, seen in the > Hercules S/390 emulator. > > On Sunday 08 March 2009, Frans Pop wrote: > > Well, not quite. It does boot successfully and I do get a login > > prompt. I can also login on the console or connect with SSH, but in > > both cases the system again gets into some loop before I actually get > > a shell prompt. > > During the bisection series the system would sometimes enter the loop > during the boot procedure, before I tried to logon. After it enters the > loop one processor just goes racing at 100%. > > I've bisected this to the following set of three patches: > commit ca109491f612aab5c8152207631c0444f63da97f > Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Date: Tue Nov 25 12:43:51 2008 +0100 > hrtimer: removing all ur callback modes > commit 37810659ea7d9572c5ac284ade272f806ef8f788 > hrtimer: removing all ur callback modes, fix hotplug > commit a0a99b227da57f81319dd239bc4de811b0f530ec > hrtimer: removing all ur callback modes, fix > > I've not tried to bisect between these patches as the last two are > fixes. If needed I can do though. Just for the record, this issue was solved with the following commit (that also fixed the hang I saw during boot with 2.6.28): commit 4fa81ed27781a12f6303b9263056635ae74e3e21 Author: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> Date: Wed Mar 18 13:27:32 2009 +0100 [S390] __div64_31 broken for CONFIG_MARCH_G5 -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html