* Richard Mortimer (richm@xxxxxxxxxxxxxxx) wrote: > > > On 21/01/2011 00:04, Mathieu Desnoyers wrote: >> * David Miller (davem@xxxxxxxxxxxxx) wrote: >>> From: Mathieu Desnoyers<mathieu.desnoyers@xxxxxxxxxxxx> >>> Date: Wed, 19 Jan 2011 17:33:39 -0500 >>> >>>> So I guess we go for the following. Is it verbose enough ? >>> >>> It's got all of the details that seem to matter, thanks. >> >> I'm letting people following this thread and the bug report know that I posted >> the patch we discussed about here in the following thread: >> >> https://lkml.org/lkml/2011/1/19/509 >> >> Feedback is welcome, >> Hi Richard, > Hi Mathieu, > > Thanks for this. > > The good news is that I have a 2.6.37 kernel + your patches booting and > it has been running for about an hour on sparc64/Sun Fire V120. I did a > bit of poking around in /debug and turned on/off a bit of tracing and > nothing broke. That's a good start :) > I did have a few problems applying your patch series. Your diffs have > semicolons at the end of a couple of the macros that don't appear in the > mainline 2.6.37. One was circa line 174 of include/linux/tracepoint.h > but I don't have the other to hand at the moment and I don't have much > time before I need to go out. I know what's causing this, I'll rebase my patch before my next post (I was working at the tail of my lttng patch queue). Thanks for letting me know. > I'm also getting a lot of Kernel unaligned access errors from the > kernel. I don't know if they are related to this or not and this is the > first time that I personally have got 2.6.37 to boot on sparc64. The > messages that I am getting seem to be repeats of > > [ 4376.807811] Kernel unaligned access at TPC[456e94] > try_to_wake_up+0x58/0xec > [ 4376.807908] Kernel unaligned access at TPC[75541c] schedule+0x454/0x660 > [ 4376.808044] Kernel unaligned access at TPC[75541c] schedule+0x454/0x660 > [ 4376.808871] Kernel unaligned access at TPC[456e94] > try_to_wake_up+0x58/0xec > [ 4376.808965] Kernel unaligned access at TPC[75541c] schedule+0x454/0x660 > [ 4381.813354] log_unaligned: 337 callbacks suppressed > > I have to go out now but will be around later/over the weekend. Can you send me your .config ? I'd really like to see which of tracepoint/static jump patching are enabled. Do you get this message as soon as the system boots, or only when you enable tracing ? Thanks, Mathieu > > Regards > > Richard > -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com -- 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
