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Natacha Porté | 23 May 17:13
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How can I help with thinkpad x220 issues?

Hello,

I happen to be the owner of a brand new Lenovo Thinkpad X220. From a
recent thread here I gather it almost works with FreeBSD, and the
remaining problems are screen brightness and screen left unpowered at
resume. Is that right?

So my question is, how can I help make progress in any of these area?
(though I admit I'm more interested in having the brightness problem
solved than the resume one)

I don't know anything about ACPI or about FreeBSD or Linux internals,
but I'm quite proficient in C and somewhat used to navigate in unknown
huge code bases.

So I guess the first steps to help would be to first learn stuff.

However I don't have much time available. I guess FreeBSD 11 would reach
end-of-life before I could reach a level of understanding I find
satisfying (though I admit I have high standards there), so I would have
to prioritize. So my question is rather *what* should I learn to provide
help as soon as possible?

For example, if the brightness issue is just a matter of extracting the
right numbers from linux kernel code and plug them into FreeBSD, I
probably won't need to learn anything more about ACPI than what I would
gather looking at the code. I guess if it was that simple someone would
have already done it, but that illustrate well my point about
prioritizing learning.
(Continue reading)

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FreeBSD bugmaster | 21 May 13:07
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Current problem reports assigned to freebsd-acpi <at> FreeBSD.org

Note: to view an individual PR, use:
  http://www.freebsd.org/cgi/query-pr.cgi?pr=(number).

The following is a listing of current problems submitted by FreeBSD users.
These represent problem reports covering all versions including
experimental development code and obsolete releases.

S Tracker      Resp.      Description
--------------------------------------------------------------------------------
o kern/164329  acpi       [acpi] hw.acpi.thermal.tz0.temperature shows strange v
o kern/163268  acpi       [acpi_hp] fix driver detach in absence of CMI
o kern/162859  acpi       [acpi] ACPI battery/acline monitoring partialy working
o kern/161715  acpi       [acpi] Dell E6520 doesn't resume after ACPI suspend
o kern/161713  acpi       [acpi] Suspend on Dell E6520
o kern/160838  acpi       [acpi] ACPI Battery Monitor Non-Functional
o kern/160419  acpi       [acpi_thermal] acpi_thermal kernel thread high CPU usa
o kern/158689  acpi       [acpi] value of sysctl hw.acpi.thermal.polling_rate ne
o kern/154955  acpi       [acpi] Keyboard or ACPI doesn't work on Lenovo S10-3
o kern/152438  acpi       [acpi]: patch to acpi_asus(4) to add extra sysctls for
o kern/152098  acpi       [acpi] Lenovo T61p does not resume
o i386/146715  acpi       [acpi] Suspend works, resume not on a HP Probook 4510s
o kern/145306  acpi       [acpi]: Can't change brightness on HP ProBook 4510s
o i386/143798  acpi       [acpi] shutdown problem with SiS K7S5A
o kern/143420  acpi       [acpi] ACPI issues with Toshiba
o kern/142009  acpi       [acpi] [panic] Panic in AcpiNsGetAttachedObject
o kern/139088  acpi       [acpi] ACPI Exception: AE_AML_INFINITE_LOOP error
o amd64/138210 acpi       [acpi] acer aspire 5536 ACPI problems (S3, brightness,
o kern/137042  acpi       [acpi] hp laptop's lcd not wakes up after suspend to r
o i386/136008  acpi       [acpi] Dell Vostro 1310 will not shutdown (Requires us
o bin/135349   acpi       [patch] teach acpidump(8) to disassemble arbitrary mem
(Continue reading)

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jmz | 16 May 21:26
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Sincerely,
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FreeBSD bugmaster | 14 May 13:07
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Current problem reports assigned to freebsd-acpi <at> FreeBSD.org

Note: to view an individual PR, use:
  http://www.freebsd.org/cgi/query-pr.cgi?pr=(number).

The following is a listing of current problems submitted by FreeBSD users.
These represent problem reports covering all versions including
experimental development code and obsolete releases.

S Tracker      Resp.      Description
--------------------------------------------------------------------------------
o kern/164329  acpi       [acpi] hw.acpi.thermal.tz0.temperature shows strange v
o kern/163268  acpi       [acpi_hp] fix driver detach in absence of CMI
o kern/162859  acpi       [acpi] ACPI battery/acline monitoring partialy working
o kern/161715  acpi       [acpi] Dell E6520 doesn't resume after ACPI suspend
o kern/161713  acpi       [acpi] Suspend on Dell E6520
o kern/160838  acpi       [acpi] ACPI Battery Monitor Non-Functional
o kern/160419  acpi       [acpi_thermal] acpi_thermal kernel thread high CPU usa
o kern/158689  acpi       [acpi] value of sysctl hw.acpi.thermal.polling_rate ne
o kern/154955  acpi       [acpi] Keyboard or ACPI doesn't work on Lenovo S10-3
o kern/152438  acpi       [acpi]: patch to acpi_asus(4) to add extra sysctls for
o kern/152098  acpi       [acpi] Lenovo T61p does not resume
o i386/146715  acpi       [acpi] Suspend works, resume not on a HP Probook 4510s
o kern/145306  acpi       [acpi]: Can't change brightness on HP ProBook 4510s
o i386/143798  acpi       [acpi] shutdown problem with SiS K7S5A
o kern/143420  acpi       [acpi] ACPI issues with Toshiba
o kern/142009  acpi       [acpi] [panic] Panic in AcpiNsGetAttachedObject
o kern/139088  acpi       [acpi] ACPI Exception: AE_AML_INFINITE_LOOP error
o amd64/138210 acpi       [acpi] acer aspire 5536 ACPI problems (S3, brightness,
o kern/137042  acpi       [acpi] hp laptop's lcd not wakes up after suspend to r
o i386/136008  acpi       [acpi] Dell Vostro 1310 will not shutdown (Requires us
o bin/135349   acpi       [patch] teach acpidump(8) to disassemble arbitrary mem
(Continue reading)

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Mitsuru IWASAKI | 11 May 04:10
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[CFT] SMP/i386 suspend/resume

Hi

I've been working on suspend/resume for SMP/i386 for a week
and created patches against CURRENT, RELENG_9 and RELENG_8
available at:

http://people.freebsd.org/~iwasaki/acpi/i386-SMP-suspend-CURRENT-20120511.diff
http://people.freebsd.org/~iwasaki/acpi/i386-SMP-suspend-RELENG_9-20120511.diff
http://people.freebsd.org/~iwasaki/acpi/i386-SMP-suspend-RELENG_8-20120511.diff

A lot of portion of the patches was ported from amd64.
Testing on Thinkpad X60 (Core Duo T2300), so far so good :)

I'll commit them against CURRENT hopefully next week.

Thanks and have fun!
Permalink | Reply | 22 comments |
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Quentin SCHWERKOLT | 9 May 09:12
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How to refresh acpi data?


I would like know I can refresh acpi data for the battery state: When I run a `acpiconf -i 0' or a `sysctl
hw.acpi.battery', they return only the battery information when FreeBSD had started.
So how can I refresh the acpi data whitout restart my FreeBSD?
I have try with FreeBSD 9.0-RELEASE and FREEBSD 9-STABLE and the result is the same.

Cordially.

Q. Schwerkolt
Permalink | Reply | 2 comments |
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FreeBSD bugmaster | 7 May 13:07
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Current problem reports assigned to freebsd-acpi <at> FreeBSD.org

Note: to view an individual PR, use:
  http://www.freebsd.org/cgi/query-pr.cgi?pr=(number).

The following is a listing of current problems submitted by FreeBSD users.
These represent problem reports covering all versions including
experimental development code and obsolete releases.

S Tracker      Resp.      Description
--------------------------------------------------------------------------------
o kern/164329  acpi       [acpi] hw.acpi.thermal.tz0.temperature shows strange v
o kern/163268  acpi       [acpi_hp] fix driver detach in absence of CMI
o kern/162859  acpi       [acpi] ACPI battery/acline monitoring partialy working
o kern/161715  acpi       [acpi] Dell E6520 doesn't resume after ACPI suspend
o kern/161713  acpi       [acpi] Suspend on Dell E6520
o kern/160838  acpi       [acpi] ACPI Battery Monitor Non-Functional
o kern/160419  acpi       [acpi_thermal] acpi_thermal kernel thread high CPU usa
o kern/158689  acpi       [acpi] value of sysctl hw.acpi.thermal.polling_rate ne
o kern/154955  acpi       [acpi] Keyboard or ACPI doesn't work on Lenovo S10-3
o kern/152438  acpi       [acpi]: patch to acpi_asus(4) to add extra sysctls for
o kern/152098  acpi       [acpi] Lenovo T61p does not resume
o i386/146715  acpi       [acpi] Suspend works, resume not on a HP Probook 4510s
o kern/145306  acpi       [acpi]: Can't change brightness on HP ProBook 4510s
o i386/143798  acpi       [acpi] shutdown problem with SiS K7S5A
o kern/143420  acpi       [acpi] ACPI issues with Toshiba
o kern/142009  acpi       [acpi] [panic] Panic in AcpiNsGetAttachedObject
o kern/139088  acpi       [acpi] ACPI Exception: AE_AML_INFINITE_LOOP error
o amd64/138210 acpi       [acpi] acer aspire 5536 ACPI problems (S3, brightness,
o kern/137042  acpi       [acpi] hp laptop's lcd not wakes up after suspend to r
o i386/136008  acpi       [acpi] Dell Vostro 1310 will not shutdown (Requires us
o bin/135349   acpi       [patch] teach acpidump(8) to disassemble arbitrary mem
(Continue reading)

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Nikolay Tychina | 1 May 12:55
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Brightness keys and booting the kernel

Hi,

Considering the fact that brightness keys work until kernel is loaded,
is it possible to make them work
after the kernel is booted in some simple way?
I remember my previous laptop was able to control brightness without
any acpi_* modules and disregarding
OS running.

Regards
Nikolay
Permalink | Reply | 4 comments |
headers
FreeBSD bugmaster | 30 Apr 13:07
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Current problem reports assigned to freebsd-acpi <at> FreeBSD.org

Note: to view an individual PR, use:
  http://www.freebsd.org/cgi/query-pr.cgi?pr=(number).

The following is a listing of current problems submitted by FreeBSD users.
These represent problem reports covering all versions including
experimental development code and obsolete releases.

S Tracker      Resp.      Description
--------------------------------------------------------------------------------
o kern/164329  acpi       [acpi] hw.acpi.thermal.tz0.temperature shows strange v
o kern/163268  acpi       [acpi_hp] fix driver detach in absence of CMI
o kern/162859  acpi       [acpi] ACPI battery/acline monitoring partialy working
o kern/161715  acpi       [acpi] Dell E6520 doesn't resume after ACPI suspend
o kern/161713  acpi       [acpi] Suspend on Dell E6520
o kern/160838  acpi       [acpi] ACPI Battery Monitor Non-Functional
o kern/160419  acpi       [acpi_thermal] acpi_thermal kernel thread high CPU usa
o kern/158689  acpi       [acpi] value of sysctl hw.acpi.thermal.polling_rate ne
o kern/154955  acpi       [acpi] Keyboard or ACPI doesn't work on Lenovo S10-3
o kern/152438  acpi       [acpi]: patch to acpi_asus(4) to add extra sysctls for
o kern/152098  acpi       [acpi] Lenovo T61p does not resume
o i386/146715  acpi       [acpi] Suspend works, resume not on a HP Probook 4510s
o kern/145306  acpi       [acpi]: Can't change brightness on HP ProBook 4510s
o i386/143798  acpi       [acpi] shutdown problem with SiS K7S5A
o kern/143420  acpi       [acpi] ACPI issues with Toshiba
o kern/142009  acpi       [acpi] [panic] Panic in AcpiNsGetAttachedObject
o kern/139088  acpi       [acpi] ACPI Exception: AE_AML_INFINITE_LOOP error
o amd64/138210 acpi       [acpi] acer aspire 5536 ACPI problems (S3, brightness,
o kern/137042  acpi       [acpi] hp laptop's lcd not wakes up after suspend to r
o i386/136008  acpi       [acpi] Dell Vostro 1310 will not shutdown (Requires us
o bin/135349   acpi       [patch] teach acpidump(8) to disassemble arbitrary mem
(Continue reading)

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FreeBSD bugmaster | 23 Apr 13:07
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Current problem reports assigned to freebsd-acpi <at> FreeBSD.org

Note: to view an individual PR, use:
  http://www.freebsd.org/cgi/query-pr.cgi?pr=(number).

The following is a listing of current problems submitted by FreeBSD users.
These represent problem reports covering all versions including
experimental development code and obsolete releases.

S Tracker      Resp.      Description
--------------------------------------------------------------------------------
o kern/164329  acpi       [acpi] hw.acpi.thermal.tz0.temperature shows strange v
o kern/163268  acpi       [acpi_hp] fix driver detach in absence of CMI
o kern/162859  acpi       [acpi] ACPI battery/acline monitoring partialy working
o kern/161715  acpi       [acpi] Dell E6520 doesn't resume after ACPI suspend
o kern/161713  acpi       [acpi] Suspend on Dell E6520
o kern/160838  acpi       [acpi] ACPI Battery Monitor Non-Functional
o kern/160419  acpi       [acpi_thermal] acpi_thermal kernel thread high CPU usa
o kern/158689  acpi       [acpi] value of sysctl hw.acpi.thermal.polling_rate ne
o kern/154955  acpi       [acpi] Keyboard or ACPI doesn't work on Lenovo S10-3
o kern/152438  acpi       [acpi]: patch to acpi_asus(4) to add extra sysctls for
o kern/152098  acpi       [acpi] Lenovo T61p does not resume
o i386/146715  acpi       [acpi] Suspend works, resume not on a HP Probook 4510s
o kern/145306  acpi       [acpi]: Can't change brightness on HP ProBook 4510s
o i386/143798  acpi       [acpi] shutdown problem with SiS K7S5A
o kern/143420  acpi       [acpi] ACPI issues with Toshiba
o kern/142009  acpi       [acpi] [panic] Panic in AcpiNsGetAttachedObject
o kern/139088  acpi       [acpi] ACPI Exception: AE_AML_INFINITE_LOOP error
o amd64/138210 acpi       [acpi] acer aspire 5536 ACPI problems (S3, brightness,
o kern/137042  acpi       [acpi] hp laptop's lcd not wakes up after suspend to r
o i386/136008  acpi       [acpi] Dell Vostro 1310 will not shutdown (Requires us
o bin/135349   acpi       [patch] teach acpidump(8) to disassemble arbitrary mem
(Continue reading)

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FreeBSD bugmaster | 16 Apr 13:07
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Current problem reports assigned to freebsd-acpi <at> FreeBSD.org

Note: to view an individual PR, use:
  http://www.freebsd.org/cgi/query-pr.cgi?pr=(number).

The following is a listing of current problems submitted by FreeBSD users.
These represent problem reports covering all versions including
experimental development code and obsolete releases.

S Tracker      Resp.      Description
--------------------------------------------------------------------------------
o kern/164329  acpi       [acpi] hw.acpi.thermal.tz0.temperature shows strange v
o kern/163268  acpi       [acpi_hp] fix driver detach in absence of CMI
o kern/162859  acpi       [acpi] ACPI battery/acline monitoring partialy working
o kern/161715  acpi       [acpi] Dell E6520 doesn't resume after ACPI suspend
o kern/161713  acpi       [acpi] Suspend on Dell E6520
o kern/160838  acpi       [acpi] ACPI Battery Monitor Non-Functional
o kern/160419  acpi       [acpi_thermal] acpi_thermal kernel thread high CPU usa
o kern/158689  acpi       [acpi] value of sysctl hw.acpi.thermal.polling_rate ne
o kern/154955  acpi       [acpi] Keyboard or ACPI doesn't work on Lenovo S10-3
o kern/152438  acpi       [acpi]: patch to acpi_asus(4) to add extra sysctls for
o kern/152098  acpi       [acpi] Lenovo T61p does not resume
o i386/146715  acpi       [acpi] Suspend works, resume not on a HP Probook 4510s
o kern/145306  acpi       [acpi]: Can't change brightness on HP ProBook 4510s
o i386/143798  acpi       [acpi] shutdown problem with SiS K7S5A
o kern/143420  acpi       [acpi] ACPI issues with Toshiba
o kern/142009  acpi       [acpi] [panic] Panic in AcpiNsGetAttachedObject
o kern/139088  acpi       [acpi] ACPI Exception: AE_AML_INFINITE_LOOP error
o amd64/138210 acpi       [acpi] acer aspire 5536 ACPI problems (S3, brightness,
o kern/137042  acpi       [acpi] hp laptop's lcd not wakes up after suspend to r
o i386/136008  acpi       [acpi] Dell Vostro 1310 will not shutdown (Requires us
o bin/135349   acpi       [patch] teach acpidump(8) to disassemble arbitrary mem
(Continue reading)

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