From: Yao Fei Zhu <walkinair@cn.ibm.com>
To: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org
Subject: [Regression] cpu hotplug failed on kernel 2.6.19-rc2
Date: Tue, 17 Oct 2006 21:16:54 +0800 [thread overview]
Message-ID: <4534D7C6.2080402@cn.ibm.com> (raw)
Running cpu hotplug regression tsstcase lhcs_regression on kernel 2.6.19-rc2/IBM System p5 will fall into xmon.
1:mon> e
cpu 0x1: Vector: 300 (Data Access) at [c000000023fa3570]
pc: c0000000000abfa0: .__drain_pages+0x50/0xbc
lr: c0000000000abfd8: .__drain_pages+0x88/0xbc
sp: c000000023fa37f0
msr: 8000000000001032
dar: 0
dsisr: 40010000
current = 0xc000000002a5d070
paca = 0xc000000000494800
pid = 3345, comm = hotplug01.sh
1:mon> t
[c000000023fa3890] c0000000000ac040 .page_alloc_cpu_notify+0x34/0x70
[c000000023fa3910] c000000000378190 .notifier_call_chain+0x4c/0x90
[c000000023fa39a0] c000000000076b2c .blocking_notifier_call_chain+0x3c/0x6c
[c000000023fa3a40] c00000000008989c .cpu_down+0x218/0x32c
[c000000023fa3b30] c000000000242a0c .store_online+0x44/0xa0
[c000000023fa3bc0] c00000000023d0e0 .sysdev_store+0x44/0x60
[c000000023fa3c40] c00000000013f160 .sysfs_write_file+0x134/0x1b8
[c000000023fa3cf0] c0000000000dd814 .vfs_write+0x118/0x200
[c000000023fa3d90] c0000000000ddf84 .sys_write+0x4c/0x8c
[c000000023fa3e30] c00000000000871c syscall_exit+0x0/0x40
--- Exception: c01 (System Call) at 000000000fe0de7c
SP (f8ccc0c0) is in userspace
1:mon> r
R00 = 8000000000001032 R16 = 00000000100a0000
R01 = c000000023fa37f0 R17 = 00000000100c2cd8
R02 = c0000000005cc460 R18 = 000000000000003f
R03 = c000000049fff600 R19 = 0000000000000000
R04 = 0000000000000000 R20 = c0000000004c9078
R05 = c000000020dc3250 R21 = 0000000000000005
R06 = 0000000000000000 R22 = c000000000665180
R07 = 0000000000000000 R23 = 0000000000008002
R08 = 0000000000000008 R24 = 0000000000000005
R09 = c000000049fff628 R25 = 0000000000000005
R10 = 0000000000000100 R26 = 0000000000000005
R11 = c000000049fff600 R27 = 0000000000000000
R12 = 0000000000000000 R28 = c000000049fff600
R13 = c000000000494800 R29 = 8000000000001032
R14 = 0000000010080000 R30 = c0000000004d31c8
R15 = 0000000000000000 R31 = 0000000000000000
pc = c0000000000abfa0 .__drain_pages+0x50/0xbc
lr = c0000000000abfd8 .__drain_pages+0x88/0xbc
msr = 8000000000001032 cr = 24242448
ctr = c0000000000ac00c xer = 0000000000000001 trap = 300
dar = 0000000000000000 dsisr = 40010000
1:mon> di c0000000000abfa0
c0000000000abfa0 e89f0002 lwa r4,0(r31)
c0000000000abfa4 7f83e378 mr r3,r28
c0000000000abfa8 38bf0010 addi r5,r31,16
c0000000000abfac 38c00000 li r6,0
c0000000000abfb0 4bfff9c1 bl c0000000000ab970 #
.free_pages_bulk+0x0/0x2b4
c0000000000abfb4 38000000 li r0,0
c0000000000abfb8 901f0000 stw r0,0(r31)
c0000000000abfbc 7fa10164 mtmsrd r29,1
c0000000000abfc0 3b7b0001 addi r27,r27,1
c0000000000abfc4 3bff0020 addi r31,r31,32
c0000000000abfc8 2fbb0002 cmpdi cr7,r27,2
c0000000000abfcc 409effc4 bne cr7,c0000000000abf90 #
.__drain_pages+0x40/0xbc
c0000000000abfd0 7f83e378 mr r3,r28
c0000000000abfd4 48008c09 bl c0000000000b4bdc #
.next_zone+0x0/0x48
c0000000000abfd8 60000000 nop
c0000000000abfdc 2fa30000 cmpdi cr7,r3,0
1:mon> mi
1:mon>
next reply other threads:[~2006-10-17 13:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-17 13:16 Yao Fei Zhu [this message]
2006-10-17 16:12 ` [Regression] cpu hotplug failed on kernel 2.6.19-rc2 Nathan Lynch
2006-10-17 16:14 ` 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=4534D7C6.2080402@cn.ibm.com \
--to=walkinair@cn.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@ozlabs.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.