[ltp] DMA hotswap 0.2.0
Jim Duchek
linux-thinkpad@linux-thinkpad.org
Wed, 22 Feb 2006 08:11:44 -0600
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Hrm. Is the acpi battery module already loaded before you load lt_hotswap?
If not, make sure that all the acpi modules you're planning to ever use are
loaded before lt_hotswap goes in -- I dig around in acpi internal structure=
s
:)
Still, not sure what a lot of those errors even are...
And:
On 22/02/06, Pezhman Givy <phg@snafu.de> wrote:
>
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> Cool! It works here on T42p.
> Kernel version is 2.6.15.
>
> Ejecting and inserting DVD-ROM works perfectly:
>
> Feb 22 14:38:16 localhost kernel: lt_hotswap: Requesting IDE eject!
> Feb 22 14:38:16 localhost kernel: lt_hotswap: Attempting to eject
> Feb 22 14:38:48 localhost kernel: Mate c0408fa0 channel 1
> Feb 22 14:38:48 localhost kernel: ide1: BM-DMA at 0x1868-0x186f,
> BIOS settings: hdc:DMA, hdd:pio
> Feb 22 14:38:48 localhost kernel: hdc: MATSHITADVD-RAM UJ-822S, ATAPI
> CD/DVD-ROM drive
> Feb 22 14:38:49 localhost kernel: ide1 at 0x170-0x177,0x376 on irq 15
> Feb 22 14:38:49 localhost kernel: hdc: ATAPI 24X DVD-ROM DVD-R-RAM
> CD-R/RW drive, 2048kB Cache, UDMA(33)
>
>
> But inserting an Ultra-Bay Battery results in following messages:
>
> Feb 22 14:44:17 localhost kernel: lt_hotswap: Requesting IDE eject!
> Feb 22 14:44:17 localhost kernel: lt_hotswap: Attempting to eject
> Feb 22 14:44:34 localhost kernel: acpi_bus-0073 [340374] bus_get_device
> : No context for object [c20d8e68]
> Feb 22 14:44:34 localhost kernel: acpi_bus-0073 [340373] bus_get_device
> : No context for object [c20d8e68]
> Feb 22 14:44:34 localhost kernel: acpi_bus-0073 [340373] bus_get_device
> : No context for object [c20d8e68]
> Feb 22 14:44:34 localhost kernel: dswload-0292: *** Error: Looking up
> [SERN] in namespace, AE_ALREADY_EXISTS
> Feb 22 14:44:34 localhost kernel: psloop-0287 [340389] ps_parse_loop
> : During name lookup/catalog, AE_ALREADY_EXISTS
> Feb 22 14:44:34 localhost kernel: psparse-0508: *** Error: Method
> execution failed [\_SB_.PCI0.LPC_.EC__.GBIF] (Node c20d92e8),
> AE_ALREADY_EXISTS
> Feb 22 14:44:34 localhost kernel: osl-0854 [340393]
> os_wait_semaphore : Failed to acquire semaphore[dfffe5e0|1|0], AE_TIM=
E
> Feb 22 14:44:34 localhost kernel: ACPI: Battery Slot [BAT1] (battery
> present)
> Feb 22 14:44:34 localhost kernel: lt_hotswap: Old handler found!
> 00000002 00000000 c213cdbc
> Feb 22 14:44:34 localhost kernel: lt_hotswap: Calling old handler,
> c02182f9 f5dd2260
> Feb 22 14:44:37 localhost kernel: dsmethod-0213: *** Error: Method
> reached maximum reentrancy limit (255)
> Feb 22 14:44:37 localhost kernel: psparse-0508: *** Error: Method
> execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c20d8f28),
> AE_AML_METHOD_LIMIT
> Feb 22 14:44:37 localhost kernel: acpi_battery-0144 [340367]
> battery_get_info : Error evaluating _BIF
> Feb 22 14:44:39 localhost kernel: lt_hotswap: Calling old handler,
> c02182f9 f5dd2260
> Feb 22 14:44:40 localhost kernel: dsmethod-0213: *** Error: Method
> reached maximum reentrancy limit (255)
> Feb 22 14:44:40 localhost kernel: psparse-0508: *** Error: Method
> execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c20d8f28),
> AE_AML_METHOD_LIMIT
> Feb 22 14:44:40 localhost kernel: acpi_battery-0144 [340374]
> battery_get_info : Error evaluating _BIF
> Feb 22 14:44:44 localhost kernel: dsmethod-0213: *** Error: Method
> reached maximum reentrancy limit (255)
> Feb 22 14:44:44 localhost kernel: psparse-0508: *** Error: Method
> execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c20d8f28),
> AE_AML_METHOD_LIMIT
> Feb 22 14:44:44 localhost kernel: acpi_battery-0144 [340379]
> battery_get_info : Error evaluating _BIF
> Feb 22 14:44:47 localhost kernel: dsmethod-0213: *** Error: Method
> reached maximum reentrancy limit (255)
> Feb 22 14:44:47 localhost kernel: psparse-0508: *** Error: Method
> execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c20d8f28),
> AE_AML_METHOD_LIMIT
>
> And so on. And
>
> cat /proc/acpi/battery/BAT?/info
>
> results in
>
> present: yes
> ERROR: Unable to read battery information
> present: yes
> ERROR: Unable to read battery information
>
> Greetings
>
> Pezhman
>
>
> Jim Duchek wrote:
> > http://churchofjim.org/sources/lt_hotswap-0.2.0.tar.gz
> >
> > There were some issues with DMA setup. It's much, much better now,
> > although it's a pretty kludgy solution.
> >
> > Use the auto_eject=3D1 command-line option until you think you're getti=
ng
> > clean ide1 un/reregisters. Then switch to the userspace acpid stuff -=
-
> > trust me, it's a better idea and you're less likely to dick up your
> > system. Remember that with auto_eject=3D1, you _must_ have everything
> > umounted and make sure you're not using it, or your system is going to
> > get really confused.
> >
> > See configs/lths.sh (it gets installed in /usr/local/sbin) for 'what
> > userspace stuff it should do upon insertion/removal'. You probably wan=
t
> > to customize it.
> >
> > If you do 'make install' it'll put the module and acpi scripts in
> > (probably, anyway ;) the right places. Restart acpid, load the kernel
> > module, and you should be in business.
> >
> > Oh, when you load the module at boot, make sure it loads AFTER
> > everything else ACPI. I dig around in some internal ACPI stuff and
> > things need to already be in place.
> >
> > Jim
> >
>
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> LpTIoyscKOJw1/1KLe6+tHw=3D
> =3DORlX
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> The linux-thinkpad mailing list home page is at:
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>
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Hrm. Is the acpi battery module already loaded before you load lt_hot=
swap?<br><br>If not, make sure that all the acpi modules you're planning to=
ever use are loaded before lt_hotswap goes in -- I dig around in acpi inte=
rnal structures :)
<br><br>Still, not sure what a lot of those errors even are...<br><br>And:<=
br><br><br><br><div><span class=3D"gmail_quote">On 22/02/06, <b class=3D"gm=
ail_sendername">Pezhman Givy</b> <<a href=3D"mailto:phg@snafu.de">phg@sn=
afu.de
</a>> wrote:</span><blockquote class=3D"gmail_quote" style=3D"border-lef=
t: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1=
ex;">-----BEGIN PGP SIGNED MESSAGE-----<br>Hash: SHA1<br><br>Cool! It works=
here on T42p.
<br>Kernel version is 2.6.15.<br><br>Ejecting and inserting DVD-ROM works p=
erfectly:<br><br>Feb 22 14:38:16 localhost kernel: lt_hotswap: Requesting I=
DE eject!<br>Feb 22 14:38:16 localhost kernel: lt_hotswap: Attempting to ej=
ect
<br>Feb 22 14:38:48 localhost kernel: Mate c0408fa0 channel 1<br>Feb 22 14:=
38:48 localhost kernel: ide1: BM-DMA at 0x1868-0x18=
6f,<br>BIOS settings: hdc:DMA, hdd:pio<br>Feb 22 14:38:48 localhost kernel:=
hdc: MATSHITADVD-RAM UJ-822S, ATAPI
<br>CD/DVD-ROM drive<br>Feb 22 14:38:49 localhost kernel: ide1 at 0x170-0x1=
77,0x376 on irq 15<br>Feb 22 14:38:49 localhost kernel: hdc: ATAPI 24X DVD-=
ROM DVD-R-RAM<br>CD-R/RW drive, 2048kB Cache, UDMA(33)<br><br><br>But inser=
ting an Ultra-Bay Battery results in following messages:
<br><br>Feb 22 14:44:17 localhost kernel: lt_hotswap: Requesting IDE eject!=
<br>Feb 22 14:44:17 localhost kernel: lt_hotswap: Attempting to eject<br>Fe=
b 22 14:44:34 localhost kernel: acpi_bus-0073 [340374] bus_get_device<br>
: No context for object [c20d8e68]<br>=
Feb 22 14:44:34 localhost kernel: acpi_bus-0073 [340373] bus_get_device<br>=
: No context for object [c20d8e68]<br>=
Feb 22 14:44:34 localhost kernel: acpi_bus-0073 [340373] bus_get_device
<br> : No context for object [c20d8e68]=
<br>Feb 22 14:44:34 localhost kernel: dswload-0292: *** Error: L=
ooking up<br>[SERN] in namespace, AE_ALREADY_EXISTS<br>Feb 22 14:44:34 loca=
lhost kernel: psloop-0287 [340389] ps_parse_loop
<br> : During name lookup/catalog, AE_A=
LREADY_EXISTS<br>Feb 22 14:44:34 localhost kernel: psparse-0508:=
*** Error: Method<br>execution failed [\_SB_.PCI0.LPC_.EC__.GBIF] (Node c2=
0d92e8),<br>AE_ALREADY_EXISTS<br>Feb 22 14:44:34 localhost kernel: &nb=
sp; osl-0854 [340393]
<br>os_wait_semaphore : Failed to acquire semaphore=
[dfffe5e0|1|0], AE_TIME<br>Feb 22 14:44:34 localhost kernel: ACPI: Battery =
Slot [BAT1] (battery<br>present)<br>Feb 22 14:44:34 localhost kernel: lt_ho=
tswap: Old handler found!
<br>00000002 00000000 c213cdbc<br>Feb 22 14:44:34 localhost kernel: lt_hots=
wap: Calling old handler,<br>c02182f9 f5dd2260<br>Feb 22 14:44:37 localhost=
kernel: dsmethod-0213: *** Error: Method<br>reached maximum reentrancy lim=
it (255)
<br>Feb 22 14:44:37 localhost kernel: psparse-0508: *** Error: M=
ethod<br>execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c20d8f28),=
<br>AE_AML_METHOD_LIMIT<br>Feb 22 14:44:37 localhost kernel: acpi_battery-0=
144 [340367]
<br>battery_get_info : Error evaluating =
_BIF<br>Feb 22 14:44:39 localhost kernel: lt_hotswap: Calling old handler,<=
br>c02182f9 f5dd2260<br>Feb 22 14:44:40 localhost kernel: dsmethod-0213: **=
* Error: Method<br>reached maximum reentrancy limit (255)
<br>Feb 22 14:44:40 localhost kernel: psparse-0508: *** Error: M=
ethod<br>execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c20d8f28),=
<br>AE_AML_METHOD_LIMIT<br>Feb 22 14:44:40 localhost kernel: acpi_battery-0=
144 [340374]
<br>battery_get_info : Error evaluating =
_BIF<br>Feb 22 14:44:44 localhost kernel: dsmethod-0213: *** Error: Method<=
br>reached maximum reentrancy limit (255)<br>Feb 22 14:44:44 localhost kern=
el: psparse-0508: *** Error: Method
<br>execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c20d8f28),<br>A=
E_AML_METHOD_LIMIT<br>Feb 22 14:44:44 localhost kernel: acpi_battery-0144 [=
340379]<br>battery_get_info : Error eval=
uating _BIF<br>Feb 22 14:44:47 localhost kernel: dsmethod-0213: *** Error: =
Method
<br>reached maximum reentrancy limit (255)<br>Feb 22 14:44:47 localhost ker=
nel: psparse-0508: *** Error: Method<br>execution failed [\_SB_.=
PCI0.LPC_.EC__.BAT0._BIF] (Node c20d8f28),<br>AE_AML_METHOD_LIMIT<br><br>An=
d so on. And
<br><br>cat /proc/acpi/battery/BAT?/info<br><br>results in<br><br>present:&=
nbsp; &nbs=
p; yes<br>ERROR: Unable to read battery information<br>pr=
esent: &nb=
sp; yes<br>ERROR: Unable to read battery informatio=
n<br><br>
Greetings<br><br>Pezhman<br><br><br>Jim Duchek wrote:<br>> <a href=3D"ht=
tp://churchofjim.org/sources/lt_hotswap-0.2.0.tar.gz">http://churchofjim.or=
g/sources/lt_hotswap-0.2.0.tar.gz</a><br>><br>> There were some issue=
s with DMA setup. It's much, much better now,
<br>> although it's a pretty kludgy solution.<br>><br>> Use the au=
to_eject=3D1 command-line option until you think you're getting<br>> cle=
an ide1 un/reregisters. Then switch to the userspace acpid =
stuff --<br>
> trust me, it's a better idea and you're less likely to dick up your<br=
>> system. Remember that with auto_eject=3D1, you _must_ have=
everything<br>> umounted and make sure you're not using it, or your sys=
tem is going to
<br>> get really confused.<br>><br>> See configs/lths.sh (it gets =
installed in /usr/local/sbin) for 'what<br>> userspace stuff it should d=
o upon insertion/removal'. You probably want<br>> to customiz=
e it.<br>
><br>> If you do 'make install' it'll put the module and acpi scripts=
in<br>> (probably, anyway ;) the right places. Restart acpid=
, load the kernel<br>> module, and you should be in business.<br>><br=
>> Oh, when you load the module at boot, make sure it loads AFTER
<br>> everything else ACPI. I dig around in some internal ACP=
I stuff and<br>> things need to already be in place.<br>><br>> Jim=
<br>><br><br>-----BEGIN PGP SIGNATURE-----<br>Version: GnuPG v1.4.2 (GNU=
/Linux)
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DSbi8UlDZlsVBc4BRxZmUjlgCaAw+v<br>LpTIoyscKOJw1/1KLe6+tHw=3D<br>=3DORlX<br>=
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tp://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad">http://mai=
lman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad</a><br></blockquote=
>
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