http://bugzilla.kernel.org/show_bug.cgi?id=11895
------- Comment #9 from [EMAIL PROTECTED] 2008-11-12 10:51 -------
Further Decoding of the FADT shows that ACPI reset
on the Toshiba Portege 4000
will write the value FE to IO address B1
[070h 112 4] Flags (decoded below) : 000006A5
WBINVD is operational : 1
WBINVD does not invalidate : 0
All CPUs support C1 : 1
C2 works on MP system : 0
Power button is generic : 0
Sleep button is generic : 1
RTC wakeup not fixed : 0
RTC wakeup/S4 not possible : 1
32-bit PM Timer : 0
Docking Supported : 1
Reset Register Supported : 1
[074h 116 12] Reset Register : <Generic Address Structure>
[074h 116 1] Space ID : 01 (SystemIO)
[075h 117 1] Bit Width : 08
[076h 118 1] Bit Offset : 00
[077h 119 1] Access Width : 00
[078h 120 8] Address : 00000000000000B1
[080h 128 1] Value to cause reset : FE
[081h 129 3] Reserved : 000000
Andrey,
Perhaps you can boot from livecd or single-user
and scribble on this IO port to see if it resets then?
# outb 0xFE 0xB1
Also, please attach the lspci -v output for the toshiba.
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