From: Stanislav Brabec <sbrabec@suse.cz>
To: Jason Wang <jason77.wang@gmail.com>
Cc: gregkh@suse.de, alan@linux.intel.com, arnd@arndb.de,
linux-serial@vger.kernel.org
Subject: Re: [PATCH RESEND 0/2] two serial_core suspend/resume fixes
Date: Mon, 23 Aug 2010 22:06:15 +0200 [thread overview]
Message-ID: <1282593975.3526.9.camel@utx.lan> (raw)
In-Reply-To: <1282374882-6651-1-git-send-email-jason77.wang@gmail.com>
Jason Wang wrote:
> Sorry for resending this thread. Last thread is forgot to CC
> Greg Kroah-Hartman.
Well, I experienced no_console_supend breakage on my PXA270 based Zaurus
SL-C3200 (terrier/spitz) as well.
But your patches did not fix the behavior, serial port remains dead
after resume with no_console_supend.
> The [1/2] fix this situation:
> we set no_console_supend and console=ttyS0 to bootargs, then bootup
> the kernel, the boot logs will print out from ttyS0. When we execute
> echo mem > /sys/power/state, the system will suspend, we press a
> key(or other wakeup trigger) to resume the system, but the ttyS0 can't
> work anymore.
>
> The [2/2] fix this situation:
> we set console=ttyS0 to bootargs, then bootup the kernel, the boot
> logs will print out from ttyS0, this time we set ttyS1 as tty and
> login for shell. When we execute echo mem > /sys/power/state, the
> system will suspend, we press a key(or other wakeup trigger) to
> resume the system, but the ttyS0 can't work anymore.
--
Best Regards / S pozdravem,
Stanislav Brabec
software developer
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next prev parent reply other threads:[~2010-08-23 20:06 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-21 7:14 [PATCH RESEND 0/2] two serial_core suspend/resume fixes Jason Wang
2010-08-21 7:14 ` [PATCH RESEND 1/2] serial-core: skip call set_termios/console_start when no_console_suspend Jason Wang
2010-08-21 7:14 ` [PATCH RESEND 2/2] serial-core: restore termios settings when resume console ports Jason Wang
2010-08-23 20:06 ` Stanislav Brabec [this message]
[not found] ` <AANLkTikZgAMvODoFB9O9Mrb98f_xMatQfkb+2dgcrGJn@mail.gmail.com>
2010-08-24 9:01 ` [PATCH RESEND 0/2] two serial_core suspend/resume fixes Stanislav Brabec
2010-08-25 3:29 ` wanghui
2010-08-25 10:51 ` Stanislav Brabec
2010-08-25 20:00 ` Stanislav Brabec
2010-08-26 8:50 ` Jason Wang
2010-08-29 22:17 ` Stanislav Brabec
2010-08-30 5:59 ` Jason Wang
2010-08-26 8:36 ` Jason Wang
2010-08-26 10:55 ` Stanislav Brabec
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