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From: Jiang Liu <jiang.liu@linux.intel.com>
To: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Ingo Molnar <mingo@kernel.org>, Wolfram Sang <wsa@the-dreams.de>,
	linux-i2c@vger.kernel.org
Subject: Re: Regression in v4.2-rc1 caused by hierarchical irqdomain changes
Date: Tue, 28 Jul 2015 00:35:36 +0800	[thread overview]
Message-ID: <55B65DD8.9020002@linux.intel.com> (raw)
In-Reply-To: <20150727152107.GA3571@codeblueprint.co.uk>

On 2015/7/27 23:21, Matt Fleming wrote:
> A git bisect just pointed me at commit d32932d02e18 ("x86/irq: Convert
> IOAPIC to use hierarchical irqdomain interfaces") as the reason for why
> the trackpad on my Dell XPS13 is no longer working with v4.2-rc1.
> 
> I'm now seeing the following errors when booting,
> 
> [    1.615017] i2c_designware INT3433:00: controller timed out
> [    1.642496] i2c_designware INT3433:00: timeout in disabling adapter        
> [    1.642500] i2c_hid i2c-DLL0665:01: hid_descr_cmd failed
> 
> I tried commit d32932d02e18~1, which works, and things definitely break
> starting with commit d32932d02e18.
> 
> Any suggestions or requests to try and diagnose why the irqdomain
> changes broke this i2c controller driver?
Hi Matt,
	Sorry for the regression. Could you please help to provide
more information about the regression, such dmesg, /proc/interrupts
and hardware(PCI) info from good and bad kernels?
Thanks!
Gerry


  reply	other threads:[~2015-07-27 16:35 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-27 15:21 Matt Fleming
2015-07-27 16:35 ` Jiang Liu [this message]
2015-07-27 21:15   ` Matt Fleming
2015-07-29 21:03     ` Thomas Gleixner
2015-07-30  4:08       ` Jiang Liu
2015-07-30  7:51       ` [Bugfix] x86, irq: Fix regression caused by commit d32932d02e18 Jiang Liu
2015-07-30  8:33         ` Thomas Gleixner
2015-07-30  8:55           ` Jiang Liu
2015-07-30  9:07         ` Matt Fleming
2015-07-30  9:12           ` Jiang Liu
2015-07-30  9:46             ` Matt Fleming
2015-07-30 19:19         ` [tip:x86/urgent] x86/irq: Use the caller provided polarity setting in mp_check_pin_attr() tip-bot for Jiang Liu

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