.TH ACPIDUMP 8
.SH NAME
acpidump \- dump a system's ACPI tables to an ASCII file

.SH SYNOPSIS
.B acpidump
.RI [ options ]
.br

.SH DESCRIPTION
.B acpidump
dumps the systems ACPI tables to an ASCII file appropriate for
attaching to a bug report.

Subsequently, they can be processed by utilities in the ACPICA package.

.SH OPTIONS
acpidump options are as follow:
.TP
.B Options
.TP
.B \-b
Dump tables to binary files
.TP
.B \-h \-?
This help message
.TP
.B \-o <File>
Redirect output to file
.TP
.B \-r <Address>
Dump tables from specified RSDP
.TP
.B \-s
Print table summaries only
.TP
.B \-v
Display version information
.TP
.B \-z
Verbose mode
.TP
.B Table Options
.TP
.B \-a <Address>
Get table via a physical address
.TP
.B \-c <on|off>
Turning on/off customized table dumping
.TP
.B \-f <BinaryFile>
Get table via a binary file
.TP
.B \-n <Signature>
Get table via a name/signature
.TP
.B \-x
Do not use but dump XSDT
.TP
.B \-x \-x
Do not use or dump XSDT
.TP
.fi
Invocation without parameters dumps all available tables.
.TP
Multiple mixed instances of -a, -f, and -n are supported.

.SH EXAMPLES

.nf
# acpidump > acpidump.out

$ acpixtract -a acpidump.out
        Acpi table [DSDT] -  15974 bytes written to DSDT.dat
        Acpi table [FACS] -     64 bytes written to FACS.dat
        Acpi table [FACP] -    116 bytes written to FACP.dat
        Acpi table [APIC] -    120 bytes written to APIC.dat
        Acpi table [MCFG] -     60 bytes written to MCFG.dat
        Acpi table [SSDT] -    444 bytes written to SSDT1.dat
        Acpi table [SSDT] -    439 bytes written to SSDT2.dat
        Acpi table [SSDT] -    439 bytes written to SSDT3.dat
        Acpi table [SSDT] -    439 bytes written to SSDT4.dat
        Acpi table [SSDT] -    439 bytes written to SSDT5.dat
        Acpi table [RSDT] -     76 bytes written to RSDT.dat
        Acpi table [RSDP] -     20 bytes written to RSDP.dat

$ iasl -d *.dat
...
.fi
creates *.dsl, a human readable form which can be edited
and compiled using iasl.


.SH NOTES

.B "acpidump "
must be run as root.

.SH REFERENCES
ACPICA: https://acpica.org/

.SH FILES
.ta
.nf
/dev/mem
/sys/firmware/acpi/tables/*
/sys/firmware/acpi/tables/dynamic/*
/sys/firmware/efi/systab
.fi

.SH AUTHOR
.TP
Original by:
 Len Brown <len.brown@intel.com>
.TP
Written by:
 Chao Guan <chao.guan@intel.com>
.TP
Updated by:
 Bob Moore <robert.moore@intel.com>
 Lv Zheng <lv.zheng@intel.com>

.SH SEE ALSO
\&\fIacpixtract\fR\|(8), \fIiasl\fR\|(8).

.SH COPYRIGHT
COPYRIGHT (c) 2013, Intel Corporation.
name='id' value='7a7b5df84b6b4e5d599c7289526eed96541a0654'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/pci?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>pci</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/trident?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>trident</a>/<a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/trident/trident.c?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>trident.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='7a7b5df84b6b4e5d599c7289526eed96541a0654'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Johan Hovold &lt;johan@kernel.org&gt;</td><td class='right'>2017-01-30 11:26:38 +0100</td></tr>
<tr><th>committer</th><td>Jiri Kosina &lt;jkosina@suse.cz&gt;</td><td class='right'>2017-01-31 12:59:32 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/trident/trident.c?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>7a7b5df84b6b4e5d599c7289526eed96541a0654</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/pci/trident/trident.c?id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>cf7514c7ddf4410fe37ca9099a2785e1cf08fa7d</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/pci/trident/trident.c?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>sound/pci/trident/trident.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/pci/trident/trident.c?h=nds-private-remove&amp;id=877a021e08ccb6434718c0cc781fdf943c884cc0'>877a021e08ccb6434718c0cc781fdf943c884cc0</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/pci/trident/trident.c?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654&amp;id2=877a021e08ccb6434718c0cc781fdf943c884cc0'>diff</a>)</td></tr></table>
<div class='commit-subject'>HID: cp2112: fix sleep-while-atomic</div><div class='commit-msg'>A recent commit fixing DMA-buffers on stack added a shared transfer
buffer protected by a spinlock. This is broken as the USB HID request
callbacks can sleep. Fix this up by replacing the spinlock with a mutex.

Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable")
Cc: stable &lt;stable@vger.kernel.org&gt;	# 4.9
Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
Reviewed-by: Benjamin Tissoires &lt;benjamin.tissoires@redhat.com&gt;
Signed-off-by: Jiri Kosina &lt;jkosina@suse.cz&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>Diffstat</a> (limited to 'sound/pci/trident/trident.c')</div><table summary='diffstat' class='diffstat'>