10.0 DMA Issues With SIS-5597/5598 Chipset

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All,

I have an IBM 586ve SBC in an IBM Industrial PC 7587, as described here:
https://www.ardent-tool.com/SBC/586VE_SBC.html

The machine mostly works fine, but I get these ACPI errors during boot:

[     1.000004] mainbus0 (root)
[     1.000004] Firmware Error (ACPI): A valid RSDP was not found
(20221020/tbxf
root-275)
[     1.000004] autoconfiguration error: acpi_probe: failed to initialize
tables
[     1.000004] ACPI Error: Could not remove SCI handler
(20221020/evmisc-316)
[     1.000004] cpu0 at mainbus0
[     1.000004] ACPI Error: AE_BAD_PARAMETER, Thread 3242924096 could not
acquir
e Mutex [ACPI_MTX_Tables] (0x2) (20221020/utmutex-326)
[     1.000004] ACPI Error: Mutex [ACPI_MTX_Tables] (0x2) is not acquired,
canno
t release (20221020/utmutex-367)

Additionally, DMA is not enabled, even though it is supposed to be
supported on the SIS 5597/5598 chipset:

[     1.000004] mainbus0 (root)
[     1.000004] Firmware Error (ACPI): A valid RSDP was not found
(20221020/tbxf
root-275)
[     1.000004] autoconfiguration error: acpi_probe: failed to initialize
tables
[     1.000004] ACPI Error: Could not remove SCI handler
(20221020/evmisc-316)
[     1.000004] cpu0 at mainbus0
[     1.000004] ACPI Error: AE_BAD_PARAMETER, Thread 3242924096 could not
acquir
e Mutex [ACPI_MTX_Tables] (0x2) (20221020/utmutex-326)
[     1.000004] ACPI Error: Mutex [ACPI_MTX_Tables] (0x2) is not acquired,
canno
t release (20221020/utmutex-367)

There aren't really a lot of BIOS settings on this board, as it's an IBM
SurePath BIOS system.

Has anyone else seen this issue?

Thanks!
- Alex

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<div dir=3D"ltr">All,<br><br>I have an IBM 586ve SBC in an IBM Industrial P=
C 7587, as described here:<br><div><a href=3D"https://www.ardent-tool.com/S=
BC/586VE_SBC.html">https://www.ardent-tool.com/SBC/586VE_SBC.html</a></div>=
<div><br></div><div>The machine mostly works fine, but I get these ACPI err=
ors during boot:</div><div><br></div><div>[ =C2=A0 =C2=A0 1.000004] mainbus=
0 (root)<br>[ =C2=A0 =C2=A0 1.000004] Firmware Error (ACPI): A valid RSDP w=
as not found (20221020/tbxf<br>root-275)<br>[ =C2=A0 =C2=A0 1.000004] autoc=
onfiguration error: acpi_probe: failed to initialize tables<br>[ =C2=A0 =C2=
=A0 1.000004] ACPI Error: Could not remove SCI handler (20221020/evmisc-316=
)<br>[ =C2=A0 =C2=A0 1.000004] cpu0 at mainbus0<br>[ =C2=A0 =C2=A0 1.000004=
] ACPI Error: AE_BAD_PARAMETER, Thread 3242924096 could not acquir<br>e Mut=
ex [ACPI_MTX_Tables] (0x2) (20221020/utmutex-326)<br>[ =C2=A0 =C2=A0 1.0000=
04] ACPI Error: Mutex [ACPI_MTX_Tables] (0x2) is not acquired, canno<br>t r=
elease (20221020/utmutex-367)</div><div><br></div><div>Additionally, DMA is=
 not enabled, even though it is supposed to be supported on the SIS 5597/55=
98 chipset:<br></div><div><br></div><div>[ =C2=A0 =C2=A0 1.000004] mainbus0=
 (root)<br>[ =C2=A0 =C2=A0 1.000004] Firmware Error (ACPI): A valid RSDP wa=
s not found (20221020/tbxf<br>root-275)<br>[ =C2=A0 =C2=A0 1.000004] autoco=
nfiguration error: acpi_probe: failed to initialize tables<br>[ =C2=A0 =C2=
=A0 1.000004] ACPI Error: Could not remove SCI handler (20221020/evmisc-316=
)<br>[ =C2=A0 =C2=A0 1.000004] cpu0 at mainbus0<br>[ =C2=A0 =C2=A0 1.000004=
] ACPI Error: AE_BAD_PARAMETER, Thread 3242924096 could not acquir<br>e Mut=
ex [ACPI_MTX_Tables] (0x2) (20221020/utmutex-326)<br>[ =C2=A0 =C2=A0 1.0000=
04] ACPI Error: Mutex [ACPI_MTX_Tables] (0x2) is not acquired, canno<br>t r=
elease (20221020/utmutex-367)</div><div><br></div><div>There aren&#39;t rea=
lly a lot of BIOS settings on this board, as it&#39;s an IBM SurePath BIOS =
system. <br></div><div><br></div><div>Has anyone else seen this issue?</div=
><div><br></div><div>Thanks!<br></div><div>- Alex<br></div></div>

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