From: Joerg Roedel <joro@8bytes.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, Peter Zijlstra <peterz@infradead.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Andy Lutomirski <luto@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: Regression on todays tip/master (commit 16f70beccf43)
Date: Fri, 24 Jul 2020 17:35:37 +0200 [thread overview]
Message-ID: <20200724153536.GX27672@8bytes.org> (raw)
In-Reply-To: <20200724145053.GV27672@8bytes.org>
On Fri, Jul 24, 2020 at 04:50:53PM +0200, Joerg Roedel wrote:
> Next thing is, I can reliable reproduce it with yesterdays tip/master
> (commit 16f70beccf43), but did not see it with tip/master pulled today
> (commit c02699cd25e8) yet.
Next bisection try ended with this log:
# bad: [16f70beccf43f9eb481ff8485974bc00ab2267d8] Merge branch 'core/debugobjects'
# good: [ba47d845d715a010f7b51f6f89bae32845e6acb7] Linux 5.8-rc6
git bisect start '16f70beccf43' 'v5.8-rc6'
# good: [e9c8c19545f31ec817507ee11884356799f14917] Merge branch 'perf/core'
git bisect good e9c8c19545f31ec817507ee11884356799f14917
# bad: [8e62572d2c29e1c484f5d4e7c016793209de2efb] Merge branch 'linus'
git bisect bad 8e62572d2c29e1c484f5d4e7c016793209de2efb
# good: [c085fb8774671e83f6199a8e838fbc0e57094029] perf/x86/intel/lbr: Support XSAVES for arch LBR read
git bisect good c085fb8774671e83f6199a8e838fbc0e57094029
# good: [220dbf4aaa5b574f67ce23fa4d7b0104515bc60e] Merge branch 'WIP.core/headers'
git bisect good 220dbf4aaa5b574f67ce23fa4d7b0104515bc60e
# bad: [9d246053a69196c7c27068870e9b4b66ac536f68] sched: Add a tracepoint to track rq->nr_running
git bisect bad 9d246053a69196c7c27068870e9b4b66ac536f68
# bad: [46609ce227039fd192e0ecc7d940bed587fd2c78] sched/uclamp: Protect uclamp fast path code with static key
git bisect bad 46609ce227039fd192e0ecc7d940bed587fd2c78
# bad: [85c2ce9104eb93517db2037699471c517e81f9b4] sched, vmlinux.lds: Increase STRUCT_ALIGNMENT to 64 bytes for GCC-4.9
git bisect bad 85c2ce9104eb93517db2037699471c517e81f9b4
# bad: [faa2fd7cbad4609d06d7904c0a80cf2f8cd23678] Merge branch 'sched/urgent'
git bisect bad faa2fd7cbad4609d06d7904c0a80cf2f8cd23678
# first bad commit: [faa2fd7cbad4609d06d7904c0a80cf2f8cd23678] Merge branch 'sched/urgent'
So it ends at a merge commit. I am not going to debug this further as it
is no longer reproducible with todays tip/master. It probably was just a
bug in a conflict resolution when merging branches or something like
that.
Regards,
Joerg
next prev parent reply other threads:[~2020-07-24 15:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-23 13:37 Regression on todays tip/master (commit 16f70beccf43) Joerg Roedel
2020-07-23 14:46 ` Thomas Gleixner
2020-07-23 14:52 ` Joerg Roedel
2020-07-24 13:28 ` Ingo Molnar
2020-07-24 14:50 ` Joerg Roedel
2020-07-24 15:35 ` Joerg Roedel [this message]
2020-07-25 10:38 ` Ingo Molnar
2020-07-25 18:56 ` Joerg Roedel
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