New: OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)
https://bugzilla.kernel.org/show_bug.cgi?id=216427
Bug ID: 216427
Summary: OF fails to handle some PCI resources on a PowerMac G4
3,6 (e.g. OF:
/pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not
find phandle 1751474532)
Product: Platform Specific/Hardware
Version: 2.5
Kernel Version: 6.0-rc3
Hardware: PPC-32
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: PPC-32
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Regression: NoCreated attachment 301698
--> https://bugzilla.kernel.org/attachment.cgi?id=301698&action=edit
dmesg (kernel 6.0-rc3, PowerMac G4 DP)
This pops up in dmesg on my G4 DP. Perhaps an OF or DT issue?
[...]
Duplicate name in PowerPC,G4@0, renamed to "l2-cache#1"
Duplicate name in l2-cache#1, renamed to "l2-cache#1"
Duplicate name in PowerPC,G4@1, renamed to "l2-cache#1"
Duplicate name in l2-cache#1, renamed to "l2-cache#1"
Duplicate name in gpio@50, renamed to "gpio5@6f#1"
Duplicate name in gpio@50, renamed to "gpio6@70#1"
Duplicate name in gpio@50, renamed to "gpio11@75#1"
Duplicate name in gpio@50, renamed to "extint-gpio15@67#1"
[...]
OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio15@67: could not find phandle 1751474532
OF: /pci@f2000000/mac-io@17/gpio@50/gpio6@70: could not find phandle 1634562093
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio16@68: could not find phandle 1936745825
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio14@66: could not find phandle 1818848869
OF: /pci@f2000000/mac-io@17/gpio@50/gpio12@76: could not find phandle 1835103092
OF: /pci@f2000000/mac-io@17/gpio@50/gpio11@75: could not find phandle 1635083369
OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532
OF: /pci@f2000000/mac-io@17/gpio@50/gpio6@70: could not find phandle 1634562093
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio4@5c: could not find phandle 1818848869
OF: /pci@f2000000/mac-io@17/gpio@50/gpio11@75: could not find phandle 1635083369
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio15@67: could not find phandle 1751474532
[...]
Apart from that the machine seems to run fine. More details in the attached dmesg.
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[Bug 216427] OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)
https://bugzilla.kernel.org/show_bug.cgi?id=216427
--- Comment #1 from Erhard F. ([email protected]) --- Created attachment 301699
--> https://bugzilla.kernel.org/attachment.cgi?id=301699&action=edit
kernel .config (kernel 6.0-rc3, PowerMac G4 DP)
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[email protected]
Tested-by Marek Szyprowski[Bug 216427] [bisected] OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)
In reply to [email protected]https://bugzilla.kernel.org/show_bug.cgi?id=216427
Erhard F. ([email protected]) changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|OF fails to handle some PCI |[bisected] OF fails to
|resources on a PowerMac G4 |handle some PCI resources
|3,6 (e.g. OF: |on a PowerMac G4 3,6 (e.g.
|/pci@f2000000/mac-io@17/gpi |OF:
|o@50/gpio5@6f: could not |/pci@f2000000/mac-io@17/gpi
|find phandle 1751474532) |o@50/gpio5@6f: could not
| |find phandle 1751474532)--- Comment #2 from Erhard F. ([email protected]) --- Did a bisect which revealed this as 1st bad commit:
# git bisect good c78c31b374a68be79cb4a03ef5b6c187f034e903 is the first bad commit commit c78c31b374a68be79cb4a03ef5b6c187f034e903 Author: Saravana Kannan <[email protected]> Date: Tue Apr 28 12:20:05 2020 -0700
Revert "Revert "driver core: Set fw_devlink to "permissive" behavior by
default""
This reverts commit 18555cb6db2373b9a5ec1f7572773fd58c77f9ba.
The reason[1] for the original revert has now been fixed by commit 00b247557858 ("driver core: Fix handling of fw_devlink=permissive"). So, this patch reverts the revert. Marek has also tested this patch with the fix mentioned above and confirmed that the issue has been fixed.
[2] -
Link:
https://lore.kernel.org/r/[email protected]
drivers/base/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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[Bug 216427] [bisected] OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)
In reply to [email protected]https://bugzilla.kernel.org/show_bug.cgi?id=216427
--- Comment #3 from Erhard F. ([email protected]) --- Created attachment 301744
--> https://bugzilla.kernel.org/attachment.cgi?id=301744&action=edit
bisect.log
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[Bug 216427] [bisected] OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)
In reply to [email protected]https://bugzilla.kernel.org/show_bug.cgi?id=216427
Erhard F. ([email protected]) changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE--- Comment #4 from Erhard F. ([email protected]) --- Looks like I already reported that one 2 yrs ago...
*** This bug has been marked as a duplicate of bug 208197 ***
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