From: josephjang
Add suspend timeout handler to prevent device stuck during suspend/
resume process. Suspend timeout handler will dump disk sleep task
at first round timeout and trigger kernel panic at second round timeout.
The default timer for each round is 30 seconds.
Note: Can use following
Thank you Greg's promptly reply.
let me try to explain detail in following. Sorry I forgot to switch to
plain text mode in gmail.
On Fri, Oct 16, 2020 at 11:51:09AM +0800, Joseph Jang wrote:
> From: josephjang
Please use your name as spelled out like you did above in the email
header.
Sure
Thanks Petr promptly response.
On Fri 2020-10-16 11:51:09, Joseph Jang wrote:
> From: josephjang
>
> Add suspend timeout handler to prevent device stuck during suspend/
> resume process. Suspend timeout handler will dump disk sleep task
> at first round timeout and trigger kernel
Yes, I agree.
Rafael J. Wysocki 於 2020年10月16日 週五 下午9:24寫道：
>
> On Fri, Oct 16, 2020 at 3:22 PM wrote:
> >
> > Thank you Rafael's promptly response.
> >
> > > On Fri, Oct 16, 2020 at 5:51 AM Joseph Jang wrote:
> > > >
> > > > From
handler to cover more sleep hang issues. The new
timeout handler will dump disk sleep task at first round timeout and
trigger kernel panic at second round timeout.
The default timer for each round is defined in
CONFIG_PM_SLEEP_TIMER_TIMEOUT.
Signed-off-by: Joseph Jang
---
Changes since v2:
- Add
disk sleep task at first
round timeout and trigger kernel panic at second round timeout.
The default timer for each round is defined in
CONFIG_PM_SLEEP_TIMER_TIMEOUT.
Signed-off-by: Joseph Jang
---
drivers/base/power/main.c| 69 ---
include/linux/console.h | 1
will dump disk sleep task at first
round timeout and trigger kernel panic at second round timeout.
The default timer for each round is defined in
CONFIG_PM_SLEEP_TIMER_TIMEOUT.
Signed-off-by: Joseph Jang
---
Changes in v2:
- Add commit message to explain why remove dpm_watchdog.
- Remove dpm_watchdog
issues. The new timeout handler will dump disk
sleep task call trace at first round timeout and trigger kernel panic
at second round timeout.
The default timer for each round is defined in
CONFIG_PM_SUSPEND_WATCHDOG_TIMEOUT.
Signed-off-by: Joseph Jang
---
Changes since v5:
- Remove MAINTAINERS update
-off-by: Joseph Jang
---
MAINTAINERS | 2 +
include/linux/console.h | 1 +
include/linux/suspend_timer.h | 90 +++
kernel/power/Kconfig | 15 ++
kernel/power/suspend.c| 19
kernel/printk/printk.c| 5
issues. The new timeout handler will dump disk
sleep task call trace at first round timeout and trigger kernel panic
at second round timeout.
The default timer for each round is defined in
CONFIG_PM_SUSPEND_WATCHDOG_TIMEOUT.
Signed-off-by: Joseph Jang
---
Changes since v3:
- Change the naming from
issues. The new timeout handler will dump disk
sleep task call trace at first round timeout and trigger kernel panic
at second round timeout.
The default timer for each round is defined in
CONFIG_PM_SUSPEND_WATCHDOG_TIMEOUT.
Signed-off-by: Joseph Jang
---
Changes since v4:
- Change #define
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