Ubuntu
linux-hwe-5.11 package

  1. Bug #1931001
  2. Comment #30

Comment 30 for bug 1931001

Revision history for this message
In , ck+kernelbugzilla (ck+kernelbugzilla-linux-kernel-bugs) wrote :

(In reply to Guenter Roeck from comment #13)
> With "reserved" I meant "a driver for a chip is loaded". After you load the
> jc42 driver (or the eeprom driver), you'll see that some of the addresses
> show up as "UU".

Ah I see. Yes, after loading jc42, I can see "UU".

╭─root@Galactica ~
╰─➤ i2cdetect -y 1
     0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- 08 -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- UU UU UU UU -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- 2e --
30: 30 31 32 33 -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- 49 -- -- -- -- -- --
50: 50 51 52 53 -- -- -- -- -- -- -- -- -- -- -- --
60: -- 61 -- -- -- -- -- -- -- 69 -- -- 6c -- -- --
70: -- -- -- -- -- -- -- --

> Anyway, I think the conclusion is that the i801 driver has problems with
> interrupt support on your hardware, as I suspected in #10. Issue #177291 is
> really the same problem. Jean maintains that driver as well, so he should be
> able to help.

Should I close #177291 as a duplicate, as it's mine ticket.
Thanks for your support. Hope, Jean has an idea :)