From: ebiederm@xmission.com (Eric W. Biederman)
To: <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>
Subject: kernel BUG at /home/eric/projects/linux/linux-2.6.32-rc6-sysctl-simplification/kernel/sched.c:7321!
Date: Wed, 11 Nov 2009 21:04:51 -0800 [thread overview]
Message-ID: <m1fx8kcozw.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <m1ljiccpiu.fsf@fess.ebiederm.org> (Eric W. Biederman's message of "Wed\, 11 Nov 2009 20\:53\:29 -0800")
Bah. I have finally gotten the problem to reproduce with verbose
debugging enabled. It was migrate_dead: BUG_ON(!p->exit_state)
that triggered.
Eric
[ 1591.705444] sd 6:0:0:0: [sdb] Synchronizing SCSI cache
[ 1591.710766] sd 6:0:0:0: [sdb] Stopping disk
[ 1592.062511] sd 5:0:0:0: [sda] Synchronizing SCSI cache
[ 1592.067814] sd 5:0:0:0: [sda] Stopping disk
[ 1592.545072] e1000e 0000:04:00.0: PCI INT A disabled
[ 1592.550008] e1000e 0000:04:00.0: PME# enabled
[ 1592.569415] ACPI: Preparing to enter system sleep state S5
[ 1592.575508] Disabling non-boot CPUs ...
[ 1592.581800] CPU 1 is now offline
[ 1592.602917] CPU1 is down
[ 1592.608352] CPU 2 is now offline
[ 1592.633354] CPU2 is down
[ 1592.641196] CPU 3 is now offline
[ 1592.644483] SMP alternatives: switching to UP code
[ 1592.655745] ------------[ cut here ]------------
[ 1592.656859] kernel BUG at /home/eric/projects/linux/linux-2.6.32-rc6-sysctl-simplification/kernel/sched.c:7321!
[ 1592.656859] invalid opcode: 0000 [#1] SMP
[ 1592.656859] last sysfs file: /sys/devices/pci0000:00/0000:00:1d.3/usb5/5-0:1.0/bInterfaceProtocol
[ 1592.656859] CPU 0
[ 1592.656859] Modules linked in:
[ 1592.656859] Pid: 7103, comm: halt Not tainted 2.6.32-rc6x86_64 #22
[ 1592.656859] RIP: 0010:[<ffffffff813d0ef3>] [<ffffffff813d0ef3>] migration_call+0x358/0x4cd
[ 1592.656859] RSP: 0018:ffff880037771d48 EFLAGS: 00010046
[ 1592.656859] RAX: 0000000000000003 RBX: 0000000000010000 RCX: ffff880001980000
[ 1592.656859] RDX: 0000000000010000 RSI: ffff880001990088 RDI: ffff88007f17f3e8
[ 1592.656859] RBP: ffff880001990000 R08: ffff88007fbd8698 R09: ffff880001990060
[ 1592.656859] R10: ffff88007fbd8688 R11: 0000000000000001 R12: ffff88007f17f3a0
[ 1592.656859] R13: ffff880001990000 R14: 0000000000000003 R15: 0000000000000000
[ 1592.656859] FS: 00007f12843ea6f0(0000) GS:ffff880001800000(0000) knlGS:0000000000000000
[ 1592.656859] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 1592.656859] CR2: 00000000005aae48 CR3: 00000000379c5000 CR4: 00000000000006f0
[ 1592.656859] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1592.656859] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 1592.656859] Process halt (pid: 7103, threadinfo ffff880037770000, task ffff88007f18b3e0)
[ 1592.656859] Stack:
[ 1592.656859] 0000000000000003 0000000000000000 0000000000000000 00000000ffffffff
[ 1592.656859] <0> ffffffff81628ec0 0000000000000003 0000000000000017 ffffffff81049014
[ 1592.656859] <0> ffff88007f18b3e0 0000000000000003 0000000000000010 ffffffff8162a0e8
[ 1592.656859] Call Trace:
[ 1592.656859] [<ffffffff81049014>] ? notifier_call_chain+0x29/0x56
[ 1592.656859] [<ffffffff813b47f8>] ? _cpu_down+0x1a6/0x284
[ 1592.656859] [<ffffffff81036189>] ? disable_nonboot_cpus+0x63/0xfa
[ 1592.656859] [<ffffffff8104108b>] ? kernel_power_off+0x21/0x3a
[ 1592.656859] [<ffffffff81041333>] ? sys_reboot+0x13b/0x158
[ 1592.656859] [<ffffffff8103f295>] ? kill_pid_info+0x35/0x46
[ 1592.656859] [<ffffffff8103fb29>] ? sys_kill+0x72/0x143
[ 1592.656859] [<ffffffff8109a466>] ? dput+0x2c/0x13a
[ 1592.656859] [<ffffffff8108c690>] ? __fput+0x198/0x1c8
[ 1592.656859] [<ffffffff8109ed0d>] ? mntput_no_expire+0x1c/0x8c
[ 1592.656859] [<ffffffff81089fb0>] ? filp_close+0x5e/0x66
[ 1592.656859] [<ffffffff8100aceb>] ? system_call_fastpath+0x16/0x1b
[ 1592.656859] Code: 49 8b 44 24 30 4c 89 e6 4c 89 ef ff 50 30 48 c7 c2 00 00 01 00 44 89 f0 41 83 bc 24 48 01 00 00 00 48 8b 0c c5 20 9c 62 81 75 04 <0
[ 1592.656859] RIP [<ffffffff813d0ef3>] migration_call+0x358/0x4cd
[ 1592.656859] RSP <ffff880037771d48>
[ 1592.656859] ---[ end trace bb0b71ca768c73d8 ]---
prev parent reply other threads:[~2009-11-12 5:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-12 4:53 BUG_ON(rq->nr_running != 0) in CPU_DEAD Eric W. Biederman
2009-11-12 5:04 ` Eric W. Biederman [this message]
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=m1fx8kcozw.fsf@fess.ebiederm.org \
--to=ebiederm@xmission.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
/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.