From: Daniel Wagner <daniel.wagner-98C5kh4wR6ohFhg+JK9F0w@public.gmane.org>
To: Juri Lelli <juri.lelli-5wv7dgnIgG8@public.gmane.org>,
Vincent Legout <vincent-9z8vmPu0pS/iB9QmIjCX8w@public.gmane.org>
Cc: "peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org"
<peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
"mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org"
<mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"juri.lelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org"
<juri.lelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"raistlin-k2GhghHVRtY@public.gmane.org"
<raistlin-k2GhghHVRtY@public.gmane.org>,
"michael-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org"
<michael-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>,
"fchecconi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org"
<fchecconi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"luca.abeni-3IIOeSMMxS4@public.gmane.org"
<luca.abeni-3IIOeSMMxS4@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
"cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 2/3] sched/deadline: fix bandwidth check/update when migrating tasks between exclusive cpusets
Date: Tue, 23 Sep 2014 15:08:52 +0200 [thread overview]
Message-ID: <542170E4.80304@bmw-carit.de> (raw)
In-Reply-To: <54212AB7.3070406-5wv7dgnIgG8@public.gmane.org>
Hi,
On 09/23/2014 10:09 AM, Juri Lelli wrote:
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728678] ------------[ cut here ]------------
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728699] kernel BUG at kernel/sched/deadline.c:819!
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728719] invalid opcode: 0000 [#1] PREEMPT SMP
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728744] Modules linked in: nfsv3 rpcsec_gss_krb5 nfsv4 dm_crypt nfsd auth_rpcgss oid_registry exportfs nfs_acl nfs lockd sunrpc bridge stp llc lp coretemp kvm_intel kvm ppdev ioatdma microcode ipmi_si parport_pc lpc_ich dca mfd_core parport ipmi_msghandler joydev serio_raw hid_generic usbhid hid crc32c_intel psmouse e1000e ptp pps_core
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728928] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 3.16.0+ #20
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728950] Hardware name: empty empty/S7002, BIOS 'V1.10.B10 ' 05/03/2011
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728977] task: ffff88023691c920 ti: ffff88023692c000 task.ti: ffff88023692c000
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729003] RIP: 0010:[<ffffffff810a543e>] [<ffffffff810a543e>] enqueue_task_dl+0x44e/0x450
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729041] RSP: 0018:ffff88043fc23e68 EFLAGS: 00010082
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729060] RAX: 0000000000000000 RBX: ffff880434edb0c0 RCX: ffff880434edb2f8
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729086] RDX: 0000000000000008 RSI: ffff880434edb0c0 RDI: 0000000000000000
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729140] RBP: ffff88043fc23ea8 R08: 0000000000000001 R09: 000002cb4aebb39d
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729193] R10: 13955a8129438cf2 R11: 0000000000000202 R12: 0000000000000008
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729247] R13: ffff88043fc33f00 R14: ffff88043fc2e0e0 R15: ffff880434edb2f8
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729301] FS: 0000000000000000(0000) GS:ffff88043fc20000(0000) knlGS:0000000000000000
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729383] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729436] CR2: 0000000000000000 CR3: 0000000435a07000 CR4: 00000000000027e0
>>
>
> This can be related to the problems Daniel is also experiencing.
I nailed my problem down to mutex with PI inheritance. This will trigger
kernel BUG at kernel/sched/deadline.c:819!
reliable.
cheers,
daniel
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Wagner <daniel.wagner@bmw-carit.de>
To: Juri Lelli <juri.lelli@arm.com>, Vincent Legout <vincent@legout.info>
Cc: "peterz@infradead.org" <peterz@infradead.org>,
"mingo@redhat.com" <mingo@redhat.com>,
"juri.lelli@gmail.com" <juri.lelli@gmail.com>,
"raistlin@linux.it" <raistlin@linux.it>,
"michael@amarulasolutions.com" <michael@amarulasolutions.com>,
"fchecconi@gmail.com" <fchecconi@gmail.com>,
"luca.abeni@unitn.it" <luca.abeni@unitn.it>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Li Zefan <lizefan@huawei.com>,
"cgroups@vger.kernel.org" <cgroups@vger.kernel.org>
Subject: Re: [PATCH 2/3] sched/deadline: fix bandwidth check/update when migrating tasks between exclusive cpusets
Date: Tue, 23 Sep 2014 15:08:52 +0200 [thread overview]
Message-ID: <542170E4.80304@bmw-carit.de> (raw)
In-Reply-To: <54212AB7.3070406@arm.com>
Hi,
On 09/23/2014 10:09 AM, Juri Lelli wrote:
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728678] ------------[ cut here ]------------
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728699] kernel BUG at kernel/sched/deadline.c:819!
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728719] invalid opcode: 0000 [#1] PREEMPT SMP
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728744] Modules linked in: nfsv3 rpcsec_gss_krb5 nfsv4 dm_crypt nfsd auth_rpcgss oid_registry exportfs nfs_acl nfs lockd sunrpc bridge stp llc lp coretemp kvm_intel kvm ppdev ioatdma microcode ipmi_si parport_pc lpc_ich dca mfd_core parport ipmi_msghandler joydev serio_raw hid_generic usbhid hid crc32c_intel psmouse e1000e ptp pps_core
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728928] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 3.16.0+ #20
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728950] Hardware name: empty empty/S7002, BIOS 'V1.10.B10 ' 05/03/2011
>> Sep 19 09:54:37 starbuck kernel: [ 1309.728977] task: ffff88023691c920 ti: ffff88023692c000 task.ti: ffff88023692c000
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729003] RIP: 0010:[<ffffffff810a543e>] [<ffffffff810a543e>] enqueue_task_dl+0x44e/0x450
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729041] RSP: 0018:ffff88043fc23e68 EFLAGS: 00010082
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729060] RAX: 0000000000000000 RBX: ffff880434edb0c0 RCX: ffff880434edb2f8
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729086] RDX: 0000000000000008 RSI: ffff880434edb0c0 RDI: 0000000000000000
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729140] RBP: ffff88043fc23ea8 R08: 0000000000000001 R09: 000002cb4aebb39d
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729193] R10: 13955a8129438cf2 R11: 0000000000000202 R12: 0000000000000008
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729247] R13: ffff88043fc33f00 R14: ffff88043fc2e0e0 R15: ffff880434edb2f8
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729301] FS: 0000000000000000(0000) GS:ffff88043fc20000(0000) knlGS:0000000000000000
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729383] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>> Sep 19 09:54:37 starbuck kernel: [ 1309.729436] CR2: 0000000000000000 CR3: 0000000435a07000 CR4: 00000000000027e0
>>
>
> This can be related to the problems Daniel is also experiencing.
I nailed my problem down to mutex with PI inheritance. This will trigger
kernel BUG at kernel/sched/deadline.c:819!
reliable.
cheers,
daniel
next prev parent reply other threads:[~2014-09-23 13:08 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-19 9:22 [PATCH 0/3] SCHED_DEADLINE fix AC and SMP scheduling Juri Lelli
2014-09-19 9:22 ` [PATCH 1/3] sched/deadline: clear dl_entity params when setscheduling to different class Juri Lelli
2014-09-19 11:44 ` Daniel Wagner
2014-09-19 12:43 ` Juri Lelli
2014-09-22 18:50 ` Vincent Legout
2014-09-24 14:54 ` [tip:sched/core] sched/deadline: Clear " tip-bot for Juri Lelli
2014-10-08 12:32 ` [PATCH 1/3] sched/deadline: clear " Wanpeng Li
2014-10-21 12:15 ` Wanpeng Li
2014-10-21 13:15 ` Juri Lelli
2014-09-19 9:22 ` [PATCH 2/3] sched/deadline: fix bandwidth check/update when migrating tasks between exclusive cpusets Juri Lelli
2014-09-19 11:47 ` Daniel Wagner
2014-09-19 11:47 ` Daniel Wagner
[not found] ` <541C17D6.5020608-98C5kh4wR6ohFhg+JK9F0w@public.gmane.org>
2014-09-19 12:46 ` Juri Lelli
2014-09-19 12:46 ` Juri Lelli
[not found] ` <1411118561-26323-3-git-send-email-juri.lelli-5wv7dgnIgG8@public.gmane.org>
2014-09-19 21:25 ` Peter Zijlstra
2014-09-19 21:25 ` Peter Zijlstra
[not found] ` <20140919212547.GG2832-IIpfhp3q70wB9AHHLWeGtNQXobZC6xk2@public.gmane.org>
2014-09-23 8:12 ` Juri Lelli
2014-09-23 8:12 ` Juri Lelli
2014-10-07 8:59 ` Juri Lelli
2014-10-07 8:59 ` Juri Lelli
[not found] ` <5433AB8A.7050908-5wv7dgnIgG8@public.gmane.org>
2014-10-07 12:31 ` Peter Zijlstra
2014-10-07 12:31 ` Peter Zijlstra
[not found] ` <20141007123109.GG19379-ndre7Fmf5hadTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
2014-10-07 13:12 ` Juri Lelli
2014-10-07 13:12 ` Juri Lelli
2014-10-28 11:07 ` [tip:sched/core] sched/deadline: Ensure that updates to exclusive cpusets don't break AC tip-bot for Juri Lelli
2014-09-22 19:24 ` [PATCH 2/3] sched/deadline: fix bandwidth check/update when migrating tasks between exclusive cpusets Vincent Legout
2014-09-23 8:09 ` Juri Lelli
[not found] ` <54212AB7.3070406-5wv7dgnIgG8@public.gmane.org>
2014-09-23 13:08 ` Daniel Wagner [this message]
2014-09-23 13:08 ` Daniel Wagner
2014-10-28 11:07 ` [tip:sched/core] sched/deadline: Fix bandwidth check/ update " tip-bot for Juri Lelli
2014-09-19 9:22 ` [PATCH 3/3] sched/deadline: fix inter- exclusive cpusets migrations Juri Lelli
2014-09-24 14:55 ` [tip:sched/core] sched/deadline: Fix " tip-bot for Juri Lelli
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