linux-kernel - Re: [GIT PULL v2] PCI changes for v6.17

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Message-Id: <ed53280ed15d1140700b96cca2734bf327ee92539e5eb68e80f5bbbf0f01@linux.gnuweeb.org>
Date: Thu,  7 Aug 2025 10:34:08 +0700
From: Ammar Faizi <ammarfaizi2@...weeb.org>
To: Bjorn Helgaas <helgaas@...nel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux PCI Mailing List <linux-pci@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Rob Herring <robh@...nel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Armando Budianto <sprite@...weeb.org>,
	Alviro Iskandar Setiawan <alviro.iskandar@...weeb.org>,
	gwml@...r.gnuweeb.org
Subject: Re: [GIT PULL v2] PCI changes for v6.17

On Fri, 01 Aug 2025 21:37:28 +0000, pr-tracker-bot@...nel.org, wrote:
>
> The pull request you sent on Fri, 1 Aug 2025 09:22:54 -0500:
>
> > git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git tags/pci-v6.17-changes
>
> has been merged into torvalds/linux.git:
> https://git.kernel.org/torvalds/c/0bd0a41a5120f78685a132834865b0a631b9026a

Yesterday, I synced with Linus' tree, but couldn't boot. Crashed with
this call trace:

  https://gist.githubusercontent.com/ammarfaizi2/3ba41f13517be4bae70cde869347d259/raw/0ac09b3e1d90d51c3fed14ca9f837f45d7730f0a/crash.jpg

This morning, I synced with Linus' tree again, still the same result.

I suspect it's related to pci. I'm still bisecting. I've successfully
narrowed it down to this pci pull.

  0bd0a41a5120 (refs/bisect/bad) Merge tag 'pci-v6.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
  db5f0c3e3e60 ring-buffer: Convert ring_buffer_write() to use guard(preempt_notrace)
  12d518961586 tracing: Use __free(kfree) in trace.c to remove gotos
  debe57fbe12c tracing: Add guard() around locks and mutexes in trace.c
  788fa4b47cdc tracing: Add guard(ring_buffer_nest)
  c89504a703fb tracing: Remove unneeded goto out logic
  877d94c74e4c (refs/bisect/good-877d94c74e4c6665d2af55c0154363b43b947e60) Merge tag 'linux-watchdog-6.17-rc1' of git://www.linux-watchdog.org/linux-watchd

Now, I am testing:

  769ce531faa6 (HEAD) Merge branch 'pci/controller/msi-parent'

I'll be back to it later. git bisect says:

  Bisecting: 65 revisions left to test after this (roughly 6 steps)

-- 
Ammar Faizi