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From: Kevin Hilman <khilman@deeprootsystems.com>
To: Jean Pihet <jean.pihet@newoldbits.com>
Cc: Paul Walmsley <paul@pwsan.com>, Felipe Balbi <balbi@ti.com>,
	aaro.koskinen@iki.fi, linux-omap@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: OMAP baseline test results for v3.7-rc1
Date: Mon, 05 Nov 2012 16:01:33 -0800	[thread overview]
Message-ID: <87fw4neh0i.fsf@deeprootsystems.com> (raw)
In-Reply-To: <CAORVsuUGcydD13-VcaNjmAmrsyo9ZVHGTRoSKgLyr4-Bkw7zhg@mail.gmail.com> (Jean Pihet's message of "Mon, 5 Nov 2012 10:26:27 +0100")

Jean Pihet <jean.pihet@newoldbits.com> writes:

[...]

> I ran some intensive stress tests on the I2C and ... unfortunately I
> could not trigger the problem. It looks like the issue is caused by
> some transient situation where the CORE and/or I2C is in a low power
> state.

FYI... I just ran across what appears to be the same bug on 3430/n900
during suspend/resume testing.  With CPUidle enabled, this happens every
time.

Reverting the I2C QoS patch makes it work again.

Kevin


# rtcwake -m mem -s 1
Date:    Fri Dec 31 17:00:34 MST 1999
hwclock: Sat Jan  1 00:00:34 2000  0.000000 seconds
[   38.819732] omap_i2c omap_i2c.1: timeout waiting for bus ready
wakeup from "mem" at Sat Jan  1 00:00:36 2000
[   38.841949] PM: Syncing filesystems ... done.
[   38.859466] Freezing user space processes ... (elapsed 0.01 seconds) done.
[   38.885284] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) done.
[   38.916412] Suspending console(s) (use no_console_suspend to debug)
[   39.944274] omap_i2c omap_i2c.1: timeout waiting for bus ready
[   39.944305] twl: i2c_read failed to transfer all messages
[   39.944305] twl_rtc: Could not read TWLregister D - error -110
[   39.944335] twl_rtc twl_rtc: twl_rtc_read_time: reading CTRL_REG, error -110
[   40.975524] omap_i2c omap_i2c.1: timeout waiting for bus ready
[   40.975555] twl: i2c_read failed to transfer all messages
[   40.975555] VMMC2_IO_18: failed to disable
[   40.978698] PM: suspend of devices complete after 2049.163 msecs
[   40.984222] PM: late suspend of devices complete after 5.493 msecs
[   40.992126] PM: noirq suspend of devices complete after 7.873 msecs
[   40.992187] Disabling non-boot CPUs ...
[   40.992675] Successfully put all powerdomains to target state
[   40.997009] PM: noirq resume of devices complete after 4.058 msecs
[   41.002014] PM: early resume of devices complete after 3.601 msecs
[   41.179016] PM: resume of devices complete after 176.818 msecs
[   41.277740] Restarting tasks ... done.
real    0m 3.50s
user    0m 0.00s
sys     0m 0.10s
Date:    Fri Dec 31 17:00:40 MST 1999
hwclock: Sat Jan  1 00:00:40 2000  0.000000 seconds

  reply	other threads:[~2012-11-06  0:01 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-18  5:20 OMAP baseline test results for v3.7-rc1 Paul Walmsley
2012-10-18  6:48 ` Paul Walmsley
2012-10-18  8:37   ` Tero Kristo
2012-10-18  8:48     ` Santosh Shilimkar
2012-10-20 17:30       ` Paul Walmsley
2012-10-19 16:55 ` Paul Walmsley
2012-10-19 17:01   ` Felipe Balbi
2012-10-19 17:56     ` Paul Walmsley
2012-10-19 18:10       ` Felipe Balbi
2012-10-19 19:03   ` Aaro Koskinen
2012-10-19 19:01     ` Felipe Balbi
2012-10-19 19:38       ` Aaro Koskinen
2012-10-22 17:21         ` Kevin Hilman
2012-10-22 20:43           ` Kevin Hilman
2012-10-20  6:14   ` Paul Walmsley
2012-10-22 16:12     ` Jean Pihet
2012-10-22 17:26       ` Jean Pihet
2012-10-23 19:19         ` Paul Walmsley
2012-10-23 19:23           ` Jean Pihet
2012-10-25 10:12             ` Felipe Balbi
2012-10-26 20:15               ` Felipe Balbi
2012-10-26 22:03                 ` Paul Walmsley
2012-10-29 20:00                   ` Felipe Balbi
2012-10-30 12:17                     ` Paul Walmsley
2012-10-30 12:32                       ` Felipe Balbi
2012-10-30 12:50                         ` Paul Walmsley
2012-10-30 12:54                           ` Felipe Balbi
2012-10-30 13:17                             ` Paul Walmsley
2012-10-30 14:04                               ` Paul Walmsley
2012-10-31  8:34                                 ` Jean Pihet
2012-10-31  9:05                                   ` Rafael J. Wysocki
2012-10-31  8:22                               ` Jean Pihet
2012-10-31 10:49                                 ` Kevin Hilman
2012-10-31 21:11                                   ` Jean Pihet
2012-11-01  2:44                                     ` Paul Walmsley
2012-11-01  7:51                                       ` Jean Pihet
2012-11-03 21:39                                         ` Jean Pihet
2012-11-05  3:15                                           ` Paul Walmsley
2012-11-05  9:26                                             ` Jean Pihet
2012-11-06  0:01                                               ` Kevin Hilman [this message]
2012-11-06  9:27                                                 ` Jean Pihet
2012-11-06 16:13                                                   ` Paul Walmsley
2012-11-06 10:06                                                 ` Shubhrajyoti Datta
2012-10-30  4:16             ` Paul Walmsley
2012-10-30  8:54               ` Jean Pihet
2012-10-30 11:23                 ` Paul Walmsley
2012-10-31  8:18                   ` Jean Pihet
2012-10-23 19:17       ` Kevin Hilman
2012-10-23 19:18       ` Paul Walmsley
2012-10-20  6:24   ` Paul Walmsley
2012-10-22 17:53     ` Kevin Hilman
2012-10-22 20:44       ` Kevin Hilman
2012-10-20 14:11 ` Richard Cochran
2012-10-20 16:27   ` Paul Walmsley
2012-10-20 18:01     ` Richard Cochran
2012-10-20 18:12       ` Paul Walmsley
2012-10-20 18:37         ` Richard Cochran
2012-10-20 18:58           ` Paul Walmsley
2012-10-21 13:51             ` Matt Porter
2012-10-21 16:26               ` Paul Walmsley
2012-10-22 21:56               ` Kevin Hilman
2012-10-21  7:35     ` Richard Cochran
2012-10-21  8:23       ` Paul Walmsley
2012-10-21 11:44         ` Richard Cochran
2012-10-21 16:24           ` Paul Walmsley
2012-10-21 12:29       ` Mohammed, Afzal
2012-10-21 12:36         ` Richard Cochran
2012-10-20 17:20 ` Paul Walmsley
2012-10-22 16:13   ` Tero Kristo

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