On Tue, Nov 12, 2013 at 05:41:47PM +0800, Fengguang Wu wrote: > On Mon, Nov 11, 2013 at 04:45:51PM +0100, Peter Zijlstra wrote: > > On Mon, Nov 11, 2013 at 09:29:27AM +0800, Fengguang Wu wrote: > > > Greetings, > > > > > > I got the below dmesg and the first bad commit is > > > > > > commit 1ca7d67cf5d5a2aef26a8d9afd789006fa098347 > > > Author: John Stultz <john.stu...@linaro.org> > > > Date: Mon Oct 7 15:51:59 2013 -0700 > > > > > > seqcount: Add lockdep functionality to seqcount/seqlock structures > > > > > > > > [ 4.124336] uli526x: ULi M5261/M5263 net driver, version 0.9.3 > > > (2005-7-29) > > > [ 4.128027] Call Trace: > > > [ 4.128027] [<7908e744>] ? console_unlock+0x353/0x380 > > > [ 4.128027] [<79dc7cf2>] dump_stack+0x48/0x60 > > > [ 4.128027] [<7908953e>] __lock_acquire.isra.26+0x7e3/0xceb > > > [ 4.128027] [<7908a1c5>] lock_acquire+0x71/0x9a > > > [ 4.128027] [<794079aa>] ? blk_throtl_bio+0x1c3/0x485 > > > [ 4.128027] [<7940658b>] throtl_update_dispatch_stats+0x7c/0x153 > > > > The below seems to compile with i386-defconfig + CONFIG_CFQ_GROUP_IOSCHED=y > > > > No idea if it runs properly or not; I seem to have misplaced my i386 > > root filesystem. > > > > --- > > Subject: block: Employ u64_stats_init() > > > > Now that seqcounts are lockdep tracked thingies, we need to properly > > initialize them, otherwise bad stuff happens. > > FYI the warning is still there: > > /kernel/i386-randconfig-j7-11082318/d3516a7318f8e22f5462888fdf9edc8f0f128024 > > +-------------------------------------------------+-------+--------------+--------------+ > | | v3.12 | 838cc7b488f8 | > d3516a7318f8 | > +-------------------------------------------------+-------+--------------+--------------+ > | boot_successes | 129 | 0 | 0 > | > | boot_failures | 1 | 100 | > 100 | > | BUG:kernel_early_hang_without_any_printk_output | 1 | | > | > | INFO:trying_to_register_non-static_key | 0 | 100 | > 100 | > +-------------------------------------------------+-------+--------------+--------------+
Is that from the exact same spot as before (throtl_update_dispatch_stats) or did we hit another one? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
