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S3 suspend no longer works with 2.6.0-test3

DISCUSSION Knut Neumann 2 participants 2 messages Aug 10, 2003 1 message not in the archive ACPI

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Knut Neumann

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#0 lore raw

Hi,

the system is Sony Vaio Z600TEK. Since 2.6.0-test3 the kernel locks when suspending to S3 via echo 3 > /proc/acpi/sleep. Console then shows:

hda: start_power_step (Step: 0)
hda: start_power_step (Step: 1)
hda: complete_power_step (step: 1, stat: 50, err: 0)
hda: completing PM request, suspend

Thats it. I put a dump_stack () into ide_complete_pm_request and got the following:

[<c02762d9>] ide_complete_pm_request +0x39/0x240
[<c027dd0c>] task_no_data_intr +0xac/0xc0
[<c0278643>] ide_intr 0x2c3/0x5d0
[<c011321c>] timer_interrupt +0x8c/0x260
[<c0131126>] update_process_times +0x46/0x50
[<c027dc60>] task_no_data_intr +0x0/0xc0
[<c010cbcb>] handle_IRQ_even +0x3b/0x70
[<c010d1e0>] do_IRQ +0x140/0x3a0

With some printks I found that it does return from the first three, but I could not trace it further. Especially I can not see it returning from the second task_no_data_intr...but to be honest I have no further idea where to look at.

Can anyone else observe this?

-Knut

Signature · 20 lines
Knut Neumann <[email protected]>
Physikalische Grundpraktika - Heinrich-Heine Universitaet Duesseldorf
Raum 25.33.01.63  -   Universitaetsstrasse 1   -  D-40225 Duesseldorf
fon: +49-211-81-11314                           fax: +49-211-81-13105











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#2 lore raw
Quoted 22 lines · Knut Neumann

Hi,

the system is Sony Vaio Z600TEK. Since 2.6.0-test3 the kernel locks when suspending to S3 via echo 3 > /proc/acpi/sleep. Console then shows:

hda: start_power_step (Step: 0)
hda: start_power_step (Step: 1)
hda: complete_power_step (step: 1, stat: 50, err: 0)
hda: completing PM request, suspend

Thats it. I put a dump_stack () into ide_complete_pm_request and got the following:

[<c02762d9>] ide_complete_pm_request +0x39/0x240
[<c027dd0c>] task_no_data_intr +0xac/0xc0
[<c0278643>] ide_intr 0x2c3/0x5d0
[<c011321c>] timer_interrupt +0x8c/0x260
[<c0131126>] update_process_times +0x46/0x50
[<c027dc60>] task_no_data_intr +0x0/0xc0
[<c010cbcb>] handle_IRQ_even +0x3b/0x70
[<c010d1e0>] do_IRQ +0x140/0x3a0

Quoted 6 lines

With some printks I found that it does return from the first three, but I could not trace it further. Especially I can not see it returning from the second task_no_data_intr...but to be honest I have no further idea where to look at.

Can anyone else observe this?

For me, it's even worse: the laptop enters S3, but when I try to resume, it seems to start waking up but then freezes before I the screen is woken up. Thus, I can't see any kernel message and, since this laptop doesn't have a serial port, I'm afraid I can't do much.

Sometimes, if I unplug all removable devices before suspending, the system resumes correctly, but the USB-UHCI host adapter is unusable. Curiously, software suspend works much better :-)

It seems there's still a long way to a fully functional Linux with PM+ACPI.

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