linux-kernel - Re: [BUG -next] ./usr/include/cxl/features.h:11:10: fatal error: uuid/uuid.h: No such file or directory

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Message-ID: <4641ce2f-74eb-45ea-a2f8-c7d0db905b7a@linux.ibm.com>
Date: Tue, 1 Apr 2025 12:31:20 +0530
From: Venkat Rao Bagalkote <venkat88@...ux.ibm.com>
To: Dan Williams <dan.j.williams@...el.com>, Jason Gunthorpe <jgg@...dia.com>
Cc: Dave Jiang <dave.jiang@...el.com>,
        "Paul E. McKenney"
 <paulmck@...nel.org>, linux-cxl@...r.kernel.org,
        dave@...olabs.net, jonathan.cameron@...wei.com,
        alison.schofield@...el.com, vishal.l.verma@...el.com,
        ira.weiny@...el.com, gourry@...rry.net, linux-kernel@...r.kernel.org,
        linux-next@...r.kernel.org, sfr@...b.auug.org.au,
        Madhavan Srinivasan <maddy@...ux.ibm.com>
Subject: Re: [BUG -next] ./usr/include/cxl/features.h:11:10: fatal error:
 uuid/uuid.h: No such file or directory


On 01/04/25 1:17 am, Dan Williams wrote:
> Jason Gunthorpe wrote:
>> On Mon, Mar 31, 2025 at 09:54:55AM -0700, Dan Williams wrote:
>>> Jason Gunthorpe wrote:
>>>> On Fri, Mar 28, 2025 at 05:26:42PM -0700, Dave Jiang wrote:
>>>>>> For now the following builds for me, but it is a quite a mess to undo
>>>>>> the assumption that that the hardware object definitions can not use
>>>>>> uuid_t:
>>>>> +Jason.
>>>> Seems invasive?
>>> Yeah, it left a bad taste for me as well.
>>>
>>>> Maybe just like below?
>>> I like that this avoids converting to the kernel's uuid API, however,
>>> not quite happy that it forces userspace to contend with the
>>> type-conflict with uuid/uuid.h.
>> Oh I see
>>   
>>> So how about one more riff on your idea?
>> Sure, works for me, please post it..
> b4 am supports scissors lines, so:
>
> b4 am -P _  67eac8df3e217_201f02948d@...llia2-xfh.jf.intel.com.notmuch
>
> ...works for me. Do you still need a separate posting?
>

This issue got introduced in next-20250307 and got fixed in 
next-20250311(not sure what fixed).

But again got re-introduced in  next-20250318. I tried bisection, below 
are the logs.

One of the things I tried is to install the UUID packages on my set up 
and after installing those packages, issue is not seen.

rpm -qa | grep uuid

libuuid-2.37.4-20.el9.ppc64le
uuid-1.6.2-55.el9.ppc64le
uuid-c++-1.6.2-55.el9.ppc64le
uuid-dce-1.6.2-55.el9.ppc64le
uuid-devel-1.6.2-55.el9.ppc64le
uuidd-2.37.4-20.el9.ppc64le
libuuid-devel-2.37.4-20.el9.ppc64le

So wondering is this not a setup issue?  Please advice.


Bisect Log:

git bisect log
git bisect start
# status: waiting for both good and bad commits
# bad: [c4d4884b67802c41fd67399747165d65c770621a] Add linux-next 
specific files for 20250318
git bisect bad c4d4884b67802c41fd67399747165d65c770621a
# status: waiting for good commit(s), bad commit known
# good: [4701f33a10702d5fc577c32434eb62adde0a1ae1] Linux 6.14-rc7
git bisect good 4701f33a10702d5fc577c32434eb62adde0a1ae1
# good: [cda4d1b29991d4500e9f65c6936b5d3ccd99ecbb] Merge branch 
'spi-nor/next' of 
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git
git bisect good cda4d1b29991d4500e9f65c6936b5d3ccd99ecbb
# good: [9b22611592aa21d10f7d1b89352a618436dea7ac] Merge branch 'next' 
of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git
git bisect good 9b22611592aa21d10f7d1b89352a618436dea7ac
# good: [264791f7669a8246d129cbb935c861debba2f116] Merge branch 
'driver-core-next' of 
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
git bisect good 264791f7669a8246d129cbb935c861debba2f116
# good: [3c51cb2d6ec7cecf724cd5d78a0633f61f31e726] Merge branch 
'for-next' of 
git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git
git bisect good 3c51cb2d6ec7cecf724cd5d78a0633f61f31e726
# good: [612481dbc16505cf5e940809ebf36d8460d174cf] Merge branch 'main' 
of git://git.infradead.org/users/willy/xarray.git
git bisect good 612481dbc16505cf5e940809ebf36d8460d174cf
# bad: [892715be4379deb333376e573113fd75672eca6c] Merge branch 
'rust-next' of https://github.com/Rust-for-Linux/linux.git
git bisect bad 892715be4379deb333376e573113fd75672eca6c
# bad: [b33f4167a8a2b9b9cc6b3e06f79b030db82cf530] Merge branch 'next' of 
git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git
git bisect bad b33f4167a8a2b9b9cc6b3e06f79b030db82cf530
# good: [3b5d43245f0a56390baaa670e1b6d898772266b3] Merge branch 
'for-6.15/features' into cxl-for-next
git bisect good 3b5d43245f0a56390baaa670e1b6d898772266b3
# good: [d11af4ae2169672b690a4d07a9dfdfd76c082683] Merge branch 
'for-next' of 
git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay.git
git bisect good d11af4ae2169672b690a4d07a9dfdfd76c082683
# bad: [5908f3ed6dc209e5c824e63afda7545805f75a7e] cxl: Add support to 
handle user feature commands for get feature
git bisect bad 5908f3ed6dc209e5c824e63afda7545805f75a7e
# good: [18285acc2c047cda2449f426c09fc8969b04b8b1] fwctl: Add documentation
git bisect good 18285acc2c047cda2449f426c09fc8969b04b8b1
# good: [15a26c223fff58d9fa4ada12a8c35697f8ecdf6c] Merge branch 
'for-6.15/features' into fwctl
git bisect good 15a26c223fff58d9fa4ada12a8c35697f8ecdf6c
# bad: [9b8e73cdb1418f7c251c43b2082218ed9c0d0fee] cxl: Move cxl feature 
command structs to user header
git bisect bad 9b8e73cdb1418f7c251c43b2082218ed9c0d0fee
# good: [858ce2f56b5253063f61f6b1c58a6dbf5d71da0b] cxl: Add FWCTL 
support to CXL
git bisect good 858ce2f56b5253063f61f6b1c58a6dbf5d71da0b
# first bad commit: [9b8e73cdb1418f7c251c43b2082218ed9c0d0fee] cxl: Move 
cxl feature command structs to user header

9b8e73cdb1418f7c251c43b2082218ed9c0d0fee is the first bad commit
commit 9b8e73cdb1418f7c251c43b2082218ed9c0d0fee
Author: Dave Jiang <dave.jiang@...el.com>
Date:  Fri Mar 7 13:55:32 2025 -0700

   cxl: Move cxl feature command structs to user header

   In preparation for cxl fwctl enabling, move data structures related to
   cxl feature commands to a user header file.

   Reviewed-by; Jonathan Cameron <Jonathan.Cameron@...wei.com>

   Link: 
https://patch.msgid.link/r/20250307205648.1021626-3-dave.jiang@intel.com
   Reviewed-by: Dan Williams <dan.j.williams@...el.com>
   Reviewed-by: Li Ming <ming.li@...omail.com>
   Signed-off-by: Dave Jiang <dave.jiang@...el.com>
   Signed-off-by: Jason Gunthorpe <jgg@...dia.com>

  include/cxl/features.h   | 112 +----------------------------
  include/uapi/cxl/features.h | 169 
++++++++++++++++++++++++++++++++++++++++++++
  2 files changed, 170 insertions(+), 111 deletions(-)
  create mode 100644 include/uapi/cxl/features.h


Regards,

Venkat.