From: David Miller <davem@xxxxxxxxxxxxx> Date: Tue, 23 Apr 2013 16:17:51 -0400 (EDT) > From: Meelis Roos <mroos@xxxxxxxx> > Date: Tue, 23 Apr 2013 00:19:49 +0300 (EEST) > >>> > Hello, I got a non-booting Sun E420R (sparc64) with 3.9-rc8: BUG-s in >>> > mm/slub.c:925 and mm/memory.c:1267 (the latter keeps scrolling until >>> > other things break and panic comes from trying to kill init). This is >>> > reproducible. Same machine runs 3.9.0-rc7-00004-gbb33db7 successfully. >>> > Configuration is below. >>> >>> It's certainly a bug in the TLB shootdown fix, please verify that >>> reverting the following fixes things: >>> >>> >From f36391d2790d04993f48da6a45810033a2cdf847 Mon Sep 17 00:00:00 2001 >>> From: "David S. Miller" <davem@xxxxxxxxxxxxx> >>> Date: Fri, 19 Apr 2013 17:26:26 -0400 >>> Subject: [PATCH] sparc64: Fix race in TLB batch processing. >> >> Yes, reverting that makes it work again. > > Just an update, using your config I was able to make one that boots on my > machine and reproduces the problem. Ok, I've narrowed it down to CONFIG_DEBUG_ATOMIC_SLEEP, as the exact config option which starts the crashes happening when it is enabled. I should have this fixed by the end of today. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
