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From: Ed Tomlinson <edt@aei.ca>
To: Ingo Molnar <mingo@elte.hu>, Matthew <jackdachef@gmail.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: Fwd: Fwd: laptop / computer hardlocks during execution of 32bit applications(binaries) on 64bit system (Gentoo)
Date: Thu, 10 Jan 2008 21:22:51 -0500	[thread overview]
Message-ID: <200801102122.51507.edt@aei.ca> (raw)

>> - if yes, does booting with "nmi_watchdog=2 idle=poll" give you a 
>>   working NMI watchdog? (working NMI watchdog means the NMI counts 
>>   increase for all cores in /proc/interrupts).

> booting with the above gives me an incrementing NMI counter in /proc/interrupts

Ingo,

Is there anything else that needs to be set in the kernel config for the nmi watchdog to trigger?

I ask because I just had a hang but nothing showed on the _serial_ console - I waited a couple
of minutes before rebooting....  Is there any other way to verify the watchdog is working?

I seem to need X active with mix of 32 and 64 bit applications active to get hung here.  A massivily
threaded 64 bit java app along with 32 bit firefox and a wine active will eventually trigger things here.
If I had to guess I would say that it the switch from 32 to 64 (or vise versa) that triggers the isuue.

TIA & test/debug patches welcome,
Ed Tomlinson


             reply	other threads:[~2008-01-11  2:09 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-11  2:22 Ed Tomlinson [this message]
2008-01-14 16:16 ` Ingo Molnar
  -- strict thread matches above, loose matches on Subject: below --
2007-12-29 19:57 Matthew
2007-12-29 23:04 ` Fwd: " Matthew
2007-12-30  0:28   ` Miguel Botón
2008-01-02  8:40     ` Ingo Molnar
     [not found]       ` <e85b9d30801080333y3d6668ccgf20f9666d0326884@mail.gmail.com>
2008-01-08 11:40         ` Fwd: " Matthew
2008-01-09  0:58           ` H. Peter Anvin
2008-01-10  9:05             ` Matthew
2008-01-10  9:42               ` Ingo Molnar
2008-01-10 12:43                 ` Matthew
2008-01-10 12:48                   ` Ingo Molnar
2008-01-10 12:59                     ` Matthew
2008-01-10 13:24                       ` Ingo Molnar
2008-01-10 13:08                     ` Ed Tomlinson
2008-01-10 13:32                       ` Ingo Molnar
2008-01-10 15:56                         ` Matthew
2008-01-10 16:38                         ` Ed Tomlinson
2008-01-10 23:35                   ` Zan Lynx
2008-01-10 21:10             ` Matthew
2008-01-10 21:17               ` H. Peter Anvin
2008-01-10 21:52                 ` Matthew
2008-01-10 21:57                   ` H. Peter Anvin
2008-01-10 22:28                     ` Matthew
2008-01-10 22:30                       ` H. Peter Anvin
2008-01-10 22:53                         ` Matthew
2008-01-14 16:13                           ` Ingo Molnar
2008-01-14 16:47                             ` Matthew
2008-01-14 17:00                               ` Ingo Molnar
2008-01-14 22:16                                 ` Ed Tomlinson
2008-01-15 17:11                                   ` Matthew
2008-01-15 22:09                                   ` Ingo Molnar
2008-01-15 23:41                                     ` Ed Tomlinson

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