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Groups > linux.kernel > #1539864
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) |
| Date | 2016-12-10 18:30 +0100 |
| Message-ID | <sMTDb-54T-3@gated-at.bofh.it> (permalink) |
| References | <sMSxr-4tj-7@gated-at.bofh.it> <sMTjP-4Ys-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Sat, Dec 10, 2016 at 11:04:44AM -0600, Josh Poimboeuf wrote:
> That's a new one. Was there anything else printed?
It is the first line that appears in dmesg when I boot:
[ 0.000000] WARNING: kernel stack frame pointer at ffffffffb5e03f40 in swapper:0 has bad value (null)
[ 0.000000] Linux version 4.9.0-rc8+ (boris@gondor) (gcc version 6.2.0 20161109 (Debian 6.2.0-13) ) #1 SMP PREEMPT Sat Dec 10 13:25:29 CET 2016
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.9.0-rc8+ root=/dev/sda7 ro earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 root=/dev/sda7 log_buf_len=10M resume=/dev/sda5 no_console_suspend ignore_loglevel
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Centaur CentaurHauls
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
...
> Were you doing anything special when it happened?
Not really - just booting ;-)
> Do you see it reliably?
2 of 2 boots.
> I should probably figure out a way to dump more data for that warning.
Sure, I can test patches.
Thanks.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Borislav Petkov <bp@alien8.de> - 2016-12-10 17:20 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-10 18:10 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Borislav Petkov <bp@alien8.de> - 2016-12-10 18:30 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-12 16:50 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Borislav Petkov <bp@alien8.de> - 2016-12-12 19:00 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-12 19:20 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-12 22:20 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Borislav Petkov <bp@alien8.de> - 2016-12-12 22:40 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-12 23:20 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Borislav Petkov <bp@alien8.de> - 2016-12-12 23:40 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-13 00:10 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-13 15:40 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Andy Lutomirski <luto@amacapital.net> - 2016-12-13 18:00 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Borislav Petkov <bp@alien8.de> - 2016-12-13 18:30 +0100
Re: WARNING: kernel stack frame pointer at ffffffff82e03f40 in swapper:0 has bad value (null) Josh Poimboeuf <jpoimboe@redhat.com> - 2016-12-13 18:30 +0100
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