From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>,
mingo@kernel.org, luto@kernel.org, bp@alien8.de,
brgerst@gmail.com, dvlasenk@redhat.com, hpa@zytor.com,
torvalds@linux-foundation.org, peterz@infradead.org,
tglx@linutronix.de
Subject: Re: v4.10: kernel stack frame pointer .. has bad value (null)
Date: Tue, 21 Feb 2017 17:12:16 -0600 [thread overview]
Message-ID: <20170221231216.y56gb62vkn5ewgea@treble> (raw)
In-Reply-To: <20170221221418.GA6918@amd>
On Tue, Feb 21, 2017 at 11:14:18PM +0100, Pavel Machek wrote:
> Hi!
>
> Thinkpad X220, in 32 bit mode... and I'm getting rather scary messages
> from kernel during boot:
>
> Git blame says that message comes from commit
>
> commit 24d86f59093b0bcb3756cdf47f2db10ff4e90dbb
> Author: Josh Poimboeuf <jpoimboe@redhat.com>
> Date: Thu Oct 27 08:10:58 2016 -0500
>
> x86/unwind: Ensure stack grows down
>
> Add a sanity check to ensure the stack only grows down, and print
> a
> warning if the check fails.
>
> Any ideas?
Hi Pavel,
I don't think I've seen this one. Any chance this came after resuming
from a hibernation or suspend?
> [ 1.047295] [drm] Memory usable by graphics device = 2048M
> [ 1.047356] [drm] Replacing VGA console driver
> [ 1.048029] Console: switching to colour dummy device 80x25
> [ 1.048348] WARNING: kernel stack frame pointer at f50cdf98 in
> swapper/2:0 has bad value (null)
> [ 1.048349] unwind stack type:0 next_sp: (null) mask:a graph_idx:0
> [ 1.048352] f50cdebc: 00000000f50cdec4 (0xf50cdec4)
> [ 1.048356] f50cdec0: 00000000c40489b7 (irq_exit+0x87/0xa0)
> [ 1.048357] f50cdec4: 00000000f50cded0 (0xf50cded0)
> [ 1.048361] f50cdec8: 00000000c402f6d3
> (smp_apic_timer_interrupt+0x33/0x40)
> [ 1.048362] f50cdecc: 000000003e7c28eb (0x3e7c28eb)
> [ 1.048363] f50cded0: 00000000f50cded9 (0xf50cded9)
> [ 1.048366] f50cded4: 00000000c4b7ac8e
> (apic_timer_interrupt+0x36/0x3c)
> [ 1.048367] f50cded8: 000000003e7c28eb (0x3e7c28eb)
> [ 1.048368] f50cdedc: 0000000000000001 (0x1)
> [ 1.048370] f50cdee0: 00000000f57c41c0 (0xf57c41c0)
> [ 1.048370] f50cdee4: 0000000000000000 ...
> [ 1.048371] f50cdee8: 0000000000000002 (0x2)
> [ 1.048372] f50cdeec: 00000000f50cdf30 (0xf50cdf30)
> [ 1.048373] f50cdef0: 000000003e7c28eb (0x3e7c28eb)
> [ 1.048376] f50cdef4: 00000000c506007b (cltrack_prog+0x7fb/0x1000)
> [ 1.048377] f50cdef8: 000000000000007b (0x7b)
> [ 1.048378] f50cdefc: 00000000000000d8 (0xd8)
> [ 1.048379] f50cdf00: 00000000c50600e0 (cltrack_prog+0x860/0x1000)
> [ 1.048380] f50cdf04: 00000000ffffff10 (0xffffff10)
> [ 1.048384] f50cdf08: 00000000c48d05b5
> (cpuidle_enter_state+0xf5/0x220)
> [ 1.048384] f50cdf0c: 0000000000000060 (0x60)
> [ 1.048385] f50cdf10: 0000000000200286 (0x200286)
> [ 1.048386] f50cdf14: 0000000000000000 ...
> [ 1.048387] f50cdf18: 00000000ffb8fad0 (0xffb8fad0)
> [ 1.048388] f50cdf1c: 000000003e6bbd2b (0x3e6bbd2b)
> [ 1.048389] f50cdf20: 0000000000000000 ...
> [ 1.048391] f50cdf24: 00000000c506c680 (max_cstate+0x2c/0x2c)
> [ 1.048394] f50cdf28: 00000000c506c680 (max_cstate+0x2c/0x2c)
> [ 1.048394] f50cdf2c: 00000000f50a2040 (0xf50a2040)
> [ 1.048395] f50cdf30: 00000000f50cdf3c (0xf50cdf3c)
> [ 1.048397] f50cdf34: 00000000c48d06ff (cpuidle_enter+0xf/0x20)
> [ 1.048398] f50cdf38: 0000000000000000 ...
> [ 1.048399] f50cdf3c: 00000000f50cdf48 (0xf50cdf48)
> [ 1.048402] f50cdf40: 00000000c4083113 (call_cpuidle+0x23/0x40)
> [ 1.048403] f50cdf44: 00000000ffb8fad0 (0xffb8fad0)
> [ 1.048404] f50cdf48: 00000000f50cdf60 (0xf50cdf60)
> [ 1.048406] f50cdf4c: 00000000c4083364 (do_idle+0x174/0x1d0)
> [ 1.048407] f50cdf50: 00000000f50a2040 (0xf50a2040)
> [ 1.048408] f50cdf54: 000000008c0ed583 (0x8c0ed583)
> [ 1.048409] f50cdf58: 0000000000000087 (0x87)
> [ 1.048410] f50cdf5c: 000000009779245f (0x9779245f)
> [ 1.048411] f50cdf60: 00000000f50cdf78 (0xf50cdf78)
> [ 1.048413] f50cdf64: 00000000c408361d
> (cpu_startup_entry+0x5d/0x60)
> [ 1.048414] f50cdf68: 0000000033ee4c15 (0x33ee4c15)
> [ 1.048415] f50cdf6c: 00000000c9d84398 (0xc9d84398)
> [ 1.048417] f50cdf70: 0000000002100800 (0x2100800)
> [ 1.048418] f50cdf74: 000000000fdc6fb2 (0xfdc6fb2)
> [ 1.048418] f50cdf78: 00000000f50cdf98 (0xf50cdf98)
> [ 1.048421] f50cdf7c: 00000000c402d216
> (start_secondary+0x176/0x1c0)
> [ 1.048422] f50cdf80: 000000000fdc6fb2 (0xfdc6fb2)
> [ 1.048423] f50cdf84: 00000000d5425adc (0xd5425adc)
> [ 1.048424] f50cdf88: 0000000000000002 (0x2)
> [ 1.048425] f50cdf8c: 00000000ffffffff (0xffffffff)
> [ 1.048425] f50cdf90: 0000000000000000 ...
> [ 1.048426] f50cdf94: 00000000f50cdfac (0xf50cdfac)
> [ 1.048427] f50cdf98: 0000000000000000 ...
> [ 1.048429] f50cdf9c: 00000000c4000237 (startup_32_smp+0x16b/0x16d)
> [ 1.048429] f50cdfa0: 0000000000200002 (0x200002)
> [ 1.048430] f50cdfa4: 0000000000000000 ...
> [ 1.048432] f50cdfa8: 00000000c4000237 (startup_32_smp+0x16b/0x16d)
> [ 1.048432] f50cdfac: 0000000000000000 ...
> [ 1.048433] f50cdff4: 0000000000000100 (0x100)
> [ 1.048434] f50cdff8: 0000000000000200 (0x200)
> [ 1.048435] f50cdffc: 0000000000000000 ...
> [ 1.060368] [drm] Supports vblank timestamp caching Rev 2
> (21.10.2013).
> [ 1.060373] [drm] Driver supports precise vblank timestamp query.
> [ 1.061668] i915 0000:00:02.0: vgaarb: changed VGA decodes:
> olddecodes=io+mem,decodes=io+mem:owns=io+mem
> [ 1.146917] ACPI: Video Device [VID] (multi-head: yes rom: no
> post: no)
>
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
Josh
next prev parent reply other threads:[~2017-02-21 23:12 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-21 22:14 v4.10: kernel stack frame pointer .. has bad value (null) Pavel Machek
2017-02-21 23:12 ` Josh Poimboeuf [this message]
2017-02-21 23:15 ` H. Peter Anvin
2017-02-22 16:45 ` Josh Poimboeuf
2017-02-22 20:51 ` H. Peter Anvin
2017-02-22 21:15 ` Josh Poimboeuf
2017-02-22 21:05 ` Pavel Machek
2017-02-22 21:21 ` Josh Poimboeuf
2017-02-22 22:47 ` Pavel Machek
2017-02-22 22:56 ` Josh Poimboeuf
2017-02-22 23:18 ` Josh Poimboeuf
2017-02-23 20:10 ` Pavel Machek
2017-02-25 5:04 ` Josh Poimboeuf
2017-03-02 23:45 ` Josh Poimboeuf
2017-03-06 16:38 ` Pavel Machek
2017-03-07 17:38 ` Josh Poimboeuf
2017-03-07 17:52 ` Linus Torvalds
2017-03-07 17:59 ` Andy Lutomirski
2017-03-07 18:28 ` Josh Poimboeuf
2017-03-07 18:30 ` Josh Poimboeuf
2017-03-07 18:40 ` Linus Torvalds
2017-03-08 17:37 ` Josh Poimboeuf
2017-03-08 18:25 ` Linus Torvalds
2017-03-08 18:54 ` Andy Lutomirski
2017-03-08 21:22 ` Pavel Machek
2017-03-09 9:38 ` Geert Uytterhoeven
2017-03-09 10:56 ` Pavel Machek
2017-03-09 12:16 ` Geert Uytterhoeven
2017-03-10 13:17 ` Compiling kernels faster (was Re: v4.10: kernel stack frame pointer .. has bad value (null)) Pavel Machek
2017-03-10 13:28 ` Geert Uytterhoeven
2017-03-10 14:15 ` Willy Tarreau
2017-03-09 10:49 ` Old compiler versions " Pavel Machek
2017-03-09 18:05 ` Linus Torvalds
2017-03-09 15:29 ` v4.10: kernel stack frame pointer .. has bad value (null) Peter Zijlstra
2017-03-09 21:12 ` Pavel Machek
2017-03-08 21:29 ` Josh Poimboeuf
2017-03-09 14:14 ` Steven Rostedt
2017-03-09 18:31 ` Josh Poimboeuf
2017-03-16 15:42 ` [PATCH] x86: mostly disable '-maccumulate-outgoing-args' Josh Poimboeuf
2017-03-16 17:32 ` Steven Rostedt
2017-03-16 18:36 ` Josh Poimboeuf
2017-03-16 18:53 ` Josh Poimboeuf
2017-03-16 19:04 ` Josh Poimboeuf
2017-03-16 19:07 ` Steven Rostedt
2017-03-16 19:06 ` Steven Rostedt
2017-03-16 19:31 ` [PATCH v2] " Josh Poimboeuf
2017-03-22 7:51 ` Ingo Molnar
2017-03-22 15:48 ` Josh Poimboeuf
2017-03-28 8:13 ` [tip:x86/urgent] x86/build: Mostly " tip-bot for Josh Poimboeuf
2017-03-28 16:17 ` Josh Poimboeuf
2017-03-30 9:58 ` tip-bot for Josh Poimboeuf
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