* [Bug 206733] New: i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0
@ 2020-03-02 16:50 bugzilla-daemon
2020-03-02 16:58 ` [Bug 206733] " bugzilla-daemon
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: bugzilla-daemon @ 2020-03-02 16:50 UTC (permalink / raw
To: linuxppc-dev
https://bugzilla.kernel.org/show_bug.cgi?id=206733
Bug ID: 206733
Summary: i2c i2c-3: i2c-powermac: modalias failure on
/uni-n@f8000000/i2c@f8001000/cereal@1c0
Product: Platform Specific/Hardware
Version: 2.5
Kernel Version: 5.6-rc4
Hardware: PPC-32
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: PPC-32
Assignee: platform_ppc-32@kernel-bugs.osdl.org
Reporter: erhard_f@mailbox.org
Regression: No
Created attachment 287759
--> https://bugzilla.kernel.org/attachment.cgi?id=287759&action=edit
dmesg (5.6-rc4, PowerMac G4 DP)
The G4 MDD/DP can't quite pick up this device, despite it shows up in the
bootlog earlier.
[...]
Mär 02 17:23:45 T600 kernel: i2c-dev: adapter [uni-n 1] registered as minor 3
Mär 02 17:23:45 T600 kernel: i2c i2c-3: adapter [uni-n 1] registered
Mär 02 17:23:45 T600 kernel: PowerMac i2c bus uni-n 1 registered
Mär 02 17:23:45 T600 kernel: i2c i2c-3: i2c-powermac: register
/uni-n@f8000000/i2c@f8001000/cereal@1c0
Mär 02 17:23:45 T600 kernel: i2c i2c-3: i2c-powermac: modalias failure on
/uni-n@f8000000/i2c@f8001000/cereal@1c0
Mär 02 17:23:45 T600 kernel: i2c-dev: adapter [uni-n 0] registered as minor 4
[...]
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* [Bug 206733] i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0
2020-03-02 16:50 [Bug 206733] New: i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0 bugzilla-daemon
@ 2020-03-02 16:58 ` bugzilla-daemon
2020-03-03 7:32 ` bugzilla-daemon
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2020-03-02 16:58 UTC (permalink / raw
To: linuxppc-dev
https://bugzilla.kernel.org/show_bug.cgi?id=206733
--- Comment #1 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 287761
--> https://bugzilla.kernel.org/attachment.cgi?id=287761&action=edit
kernel .config (5.6-rc4, PowerMac G4 DP)
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* [Bug 206733] i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0
2020-03-02 16:50 [Bug 206733] New: i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0 bugzilla-daemon
2020-03-02 16:58 ` [Bug 206733] " bugzilla-daemon
@ 2020-03-03 7:32 ` bugzilla-daemon
2020-03-05 3:42 ` bugzilla-daemon
2021-05-17 9:24 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2020-03-03 7:32 UTC (permalink / raw
To: linuxppc-dev
https://bugzilla.kernel.org/show_bug.cgi?id=206733
--- Comment #2 from Mathieu Malaterre (mathieu.malaterre@gmail.com) ---
> i2c i2c-3: i2c-powermac: modalias failure on
> /uni-n@f8000000/i2c@f8001000/cereal@1c0
Ben,
Can you confirm this warning is harmless ?
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* [Bug 206733] i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0
2020-03-02 16:50 [Bug 206733] New: i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0 bugzilla-daemon
2020-03-02 16:58 ` [Bug 206733] " bugzilla-daemon
2020-03-03 7:32 ` bugzilla-daemon
@ 2020-03-05 3:42 ` bugzilla-daemon
2021-05-17 9:24 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2020-03-05 3:42 UTC (permalink / raw
To: linuxppc-dev
https://bugzilla.kernel.org/show_bug.cgi?id=206733
--- Comment #3 from Benjamin Herrenschmidt (benh@kernel.crashing.org) ---
Yes. I had a look (and had to swap in some historical brain cells from tape
storage :-) But I think the warning should probably be turned into a dev_dbg.
It's probably some gunk in the device-tree but those "cereal" nodes don't
matter (I don't remember what they represent but it's not something we care
about).
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* [Bug 206733] i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0
2020-03-02 16:50 [Bug 206733] New: i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0 bugzilla-daemon
` (2 preceding siblings ...)
2020-03-05 3:42 ` bugzilla-daemon
@ 2021-05-17 9:24 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2021-05-17 9:24 UTC (permalink / raw
To: linuxppc-dev
https://bugzilla.kernel.org/show_bug.cgi?id=206733
Paul Osmialowski (newchief@king.net.pl) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |newchief@king.net.pl
--- Comment #4 from Paul Osmialowski (newchief@king.net.pl) ---
I've just updated to 5.10.27-gentoo on some old iBook G4, and of course I've
spotted this `i2c-powermac: modalias failure on
/uni-n@f8000000/i2c@f8001000/cereal@1c0` message. It is not worrying now after
I've found Ben's comment. I've also spotted one more error message (Flag
mismatch) that seems new to me, can you also make a judgement if it is also
harmless?:
[...]
[ 4.515861] hid-generic 0003:17EF:602E.0001: input,hidraw0: USB HID v1.11
Mouse [USB Optical Mouse] on usb-0001:10:1b.0-1/input0
[ 4.660923] input: PowerMac Beep as
/devices/pci0001:10/0001:10:17.0/input/input3
[ 4.665549] genirq: Flags mismatch irq 21. 00000001 (i2sbus: i2s-a (tx)) vs.
00000001 (PMac Output)
[...]
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2020-03-02 16:50 [Bug 206733] New: i2c i2c-3: i2c-powermac: modalias failure on /uni-n@f8000000/i2c@f8001000/cereal@1c0 bugzilla-daemon
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