linux-kernel - Re: 2.6.24-rc8-mm1 (BUG: sched

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Message-Id: <20080117084833.dc946466.randy.dunlap@oracle.com>
Date:	Thu, 17 Jan 2008 08:48:33 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu
Subject: Re: 2.6.24-rc8-mm1 (BUG: sched_rt)

On Thu, 17 Jan 2008 02:35:14 -0800 Andrew Morton wrote:

> 
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc8/2.6.24-rc8-mm1/

Booting on x86_64 SMP gives me:

------------[ cut here ]------------
kernel BUG at kernel/sched_rt.c:228!
invalid opcode: 0000 [1] SMP
last sysfs file: /sys/devices/pci0000:40/0000:40:0c.0/0000:41:00.0/0000:42:08.0/class
CPU 2
Modules linked in: parport_pc lp parport tg3 cciss ehci_hcd ohci_hcd uhci_hcd
Pid: 12738, comm: 5-1.test Not tainted 2.6.24-rc8-mm1 #1
RIP: 0010:[<ffffffff8023077b>]  [<ffffffff8023077b>] update_curr_rt+0x27/0x87
RSP: 0018:ffff8101e6805e38  EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffff81027f8591e0 RCX: ffff81000100fb80
RDX: 0000000000000000 RSI: ffff81026eb8b1e0 RDI: ffff810001014980
RBP: ffff8101e6805e48 R08: ffffffff8067d960 R09: 00000000000031c1
R10: 0000000000000000 R11: 0000000000000246 R12: ffff81026eb8b1e0
R13: ffff810001014980 R14: 0000000000000001 R15: 00000000ffffffff
FS:  0000000041a07940(0063) GS:ffff81027f80d700(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 000000338b00c2d0 CR3: 0000000254169000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process 5-1.test (pid: 12738, threadinfo ffff8101e6804000, task ffff81026c8de8f0)
Stack:  0000000000000000 ffff81026eb8b348 ffff8101e6805e78 ffffffff80231c9b
 0000000000000000 ffff81026eb8b1e0 ffff810001014980 ffff81026eb8b1e0
 ffff8101e6805e98 ffffffff8022f1bb ffff8101e6805ea8 ffff810001014980
Call Trace:
 [<ffffffff80231c9b>] dequeue_task_rt+0x1f/0x5e
 [<ffffffff8022f1bb>] dequeue_task+0x13/0x1e
 [<ffffffff8022f1e8>] deactivate_task+0x22/0x2a
 [<ffffffff802343f9>] sched_setscheduler+0x22e/0x32f
 [<ffffffff8023486a>] do_sched_setscheduler+0x5f/0x6e
 [<ffffffff802348a0>] sys_sched_setscheduler+0x14/0x18
 [<ffffffff8020c0f9>] tracesys+0xdc/0xe1


Code: 48 89 c8 c3 55 48 89 e5 53 48 83 ec 08 48 8b 9f a8 07 00 00 8b 83 b0 01 00 00 48 8b 8b 98 01 00 00 83 f8 01 74 09 83 f8 02 74 04 <0f> 0b eb fe 48 8b 97 c8 07 00 00 48 2b 53 68 b8 00 00 00 00 48
RIP  [<ffffffff8023077b>] update_curr_rt+0x27/0x87
 RSP <ffff8101e6805e38>
---[ end trace 792ff0e66da42f45 ]---


.config attached.

---
~Randy

Download attachment "kconfig.~1" of type "application/octet-stream" (44289 bytes)