From: Yao Fei Zhu <walkinair@cn.ibm.com>
To: linux-kernel@vger.kernel.org
Subject: BUG: sleeping function called from invalid context at arch/powerpc/kernel/rtas.c:463
Date: Mon, 21 Aug 2006 13:21:49 +0800 [thread overview]
Message-ID: <44E942ED.9010502@cn.ibm.com> (raw)
Hi, all
Online and offline cpus in 2.6.18-rc4/PPC64 will trigger Call Trace
like this,
[root@blade11 ~]# echo 0 > /sys/devices/system/cpu/cpu0/online
[root@blade11 ~]# dmesg -c
BUG: sleeping function called from invalid context at
arch/powerpc/kernel/rtas.c:463
in_atomic():0, irqs_disabled():1
Call Trace:
[C0000000725EB9C0] [C00000000000FB70] .show_stack+0x68/0x1b0 (unreliable)
[C0000000725EBA60] [C000000000053EB4] .__might_sleep+0xd8/0xf4
[C0000000725EBAE0] [C00000000001D5D8] .rtas_busy_delay+0x20/0x5c
[C0000000725EBB70] [C00000000001DC00] .rtas_set_indicator+0x6c/0xcc
[C0000000725EBC10] [C000000000049130] .xics_migrate_irqs_away+0x6c/0x20c
[C0000000725EBCD0] [C000000000048EEC] .pSeries_cpu_disable+0x98/0xb4
[C0000000725EBD50] [C000000000029A24] .__cpu_disable+0x44/0x58
[C0000000725EBDC0] [C000000000082030] .take_cpu_down+0x10/0x38
[C0000000725EBE40] [C000000000090000] .do_stop+0x16c/0x20c
[C0000000725EBEE0] [C000000000078EBC] .kthread+0x128/0x178
[C0000000725EBF90] [C0000000000271DC] .kernel_thread+0x4c/0x68
cpu 0 (hwid 0) Ready to die...
[root@blade11 ~]# echo 1 > /sys/devices/system/cpu/cpu0/online
[root@blade11 ~]# dmesg -c
BUG: sleeping function called from invalid context at
arch/powerpc/kernel/rtas.c:463
in_atomic():0, irqs_disabled():1
Call Trace:
[C000000000573BC0] [C00000000000FB70] .show_stack+0x68/0x1b0 (unreliable)
[C000000000573C60] [C000000000053EB4] .__might_sleep+0xd8/0xf4
[C000000000573CE0] [C00000000001D5D8] .rtas_busy_delay+0x20/0x5c
[C000000000573D70] [C00000000001DC00] .rtas_set_indicator+0x6c/0xcc
[C000000000573E10] [C000000000049320] .xics_setup_cpu+0x50/0x64
[C000000000573E80] [C0000000000486A8] .smp_xics_setup_cpu+0x2c/0x9c
[C000000000573F00] [C00000000002A4D4] .start_secondary+0x9c/0x168
[C000000000573F90] [C0000000000083BC] .start_secondary_prolog+0xc/0x10
Processor 0 found.
next reply other threads:[~2006-08-21 5:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-21 5:21 Yao Fei Zhu [this message]
2006-08-21 5:38 ` BUG: sleeping function called from invalid context at arch/powerpc/kernel/rtas.c:463 Nathan Lynch
2006-08-21 7:35 ` Yao Fei Zhu
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=44E942ED.9010502@cn.ibm.com \
--to=walkinair@cn.ibm.com \
--cc=linux-kernel@vger.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