From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Ingo Molnar <mingo@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>
Subject: Got FPU related warning on Intel Quark during boot
Date: Thu, 10 Mar 2016 12:46:53 +0200 [thread overview]
Message-ID: <CAHp75Vcugjp0UmmQKP3eEdhCEtranDVZMP4kHynaU__SCkmooA@mail.gmail.com> (raw)
Today tried first time after long break to boot Intel Quark SoC with
most recent linux-next. Got the following warning:
[ 14.714533] WARNING: CPU: 0 PID: 823 at
arch/x86/include/asm/fpu/internal.h:163 fpu__clear+0x8c/0x160
[ 14.726603] Modules linked in:
[ 14.729910] CPU: 0 PID: 823 Comm: kworker/u2:0 Not tainted
4.5.0-rc7-next-20160310+ #137
[ 14.738307] 00000000 00000000 ce691e20 c12b6fc9 ce691e50 c1049fd1
c1978c6c 00000000
[ 14.747000] 00000337 c196b530 000000a3 c102050c 000000a3 ce587ac0
00000000 ce653000
[ 14.755722] ce691e64 c104a095 00000009 00000000 00000000 ce691e74
c102050c ce587500
[ 14.764468] Call Trace:
[ 14.767172] [<c12b6fc9>] dump_stack+0x16/0x1d
[ 14.771889] [<c1049fd1>] __warn+0xd1/0xf0
[ 14.776253] [<c102050c>] ? fpu__clear+0x8c/0x160
[ 14.781234] [<c104a095>] warn_slowpath_null+0x25/0x30
[ 14.786648] [<c102050c>] fpu__clear+0x8c/0x160
[ 14.791447] [<c101f347>] flush_thread+0x57/0x60
[ 14.796341] [<c113a5cc>] flush_old_exec+0x4cc/0x600
[ 14.801594] [<c117ab20>] load_elf_binary+0x2b0/0x1060
[ 14.807010] [<c1111220>] ? get_user_pages_remote+0x50/0x60
[ 14.812898] [<c12c4687>] ? _copy_from_user+0x37/0x40
[ 14.818236] [<c1139f82>] search_binary_handler+0x62/0x150
[ 14.824007] [<c113b19c>] do_execveat_common+0x45c/0x600
[ 14.829647] [<c113b35f>] do_execve+0x1f/0x30
[ 14.834289] [<c1059941>] call_usermodehelper_exec_async+0x91/0xe0
[ 14.840765] [<c17f2310>] ret_from_kernel_thread+0x20/0x40
[ 14.846540] [<c10598b0>] ? umh_complete+0x40/0x40
[ 14.851626] ---[ end trace 137ff5893f9b85bf ]---
Is it know issue? Or what could I try to fix it?
Reproducibility: 3 of 3.
--
With Best Regards,
Andy Shevchenko
next reply other threads:[~2016-03-10 10:47 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-10 10:46 Andy Shevchenko [this message]
2016-03-10 11:19 ` Got FPU related warning on Intel Quark during boot Ingo Molnar
2016-03-10 12:48 ` Andy Shevchenko
2016-03-10 12:56 ` Borislav Petkov
2016-03-10 13:31 ` Andy Shevchenko
2016-03-10 14:59 ` Borislav Petkov
2016-03-10 15:22 ` Andy Shevchenko
2016-03-10 15:45 ` Bryan O'Donoghue
2016-03-10 16:49 ` Borislav Petkov
2016-03-10 17:15 ` Bryan O'Donoghue
2016-03-10 19:06 ` Borislav Petkov
2016-03-11 1:31 ` Andy Lutomirski
2016-03-11 10:50 ` Bryan O'Donoghue
2016-03-11 1:39 ` Andy Lutomirski
2016-03-11 9:08 ` Ingo Molnar
2016-03-11 9:48 ` Borislav Petkov
2016-03-11 11:02 ` Bryan O'Donoghue
2016-03-11 11:26 ` Borislav Petkov
2016-03-11 11:32 ` [PATCH] x86/FPU: Fix FPU handling on legacy FPU machines Borislav Petkov
2016-03-11 18:32 ` Linus Torvalds
2016-03-11 22:03 ` Borislav Petkov
2016-03-11 22:07 ` Dave Hansen
2016-03-11 22:20 ` Borislav Petkov
2016-03-12 17:21 ` Andy Lutomirski
2016-03-12 17:47 ` Borislav Petkov
2016-03-12 12:04 ` Bryan O'Donoghue
2016-03-12 12:27 ` Borislav Petkov
2016-03-12 15:17 ` Ingo Molnar
2016-03-22 22:03 ` Maciej W. Rozycki
2016-03-12 15:08 ` Ingo Molnar
2016-03-12 15:12 ` Ingo Molnar
2016-03-12 15:16 ` [tip:x86/urgent] x86/fpu: Fix eager-FPU " tip-bot for Borislav Petkov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAHp75Vcugjp0UmmQKP3eEdhCEtranDVZMP4kHynaU__SCkmooA@mail.gmail.com \
--to=andy.shevchenko@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).