From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.suse.de (ns.suse.de [195.135.220.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx1.suse.de", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 149A268A1E for ; Sun, 22 Jan 2006 19:38:31 +1100 (EST) Received: from Relay2.suse.de (mail2.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.suse.de (Postfix) with ESMTP id DE086E63E for ; Sun, 22 Jan 2006 09:38:26 +0100 (CET) Date: Sun, 22 Jan 2006 09:38:26 +0100 From: Olaf Hering To: linuxppc-dev@ozlabs.org Subject: spinlockup detection on POWER3 Message-ID: <20060122083826.GA5292@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Does the CONFIG_DEBUG_SPINLOCK code somehow depend on the cpu type? It triggers alot on a p270 POWER3 box, even during early boot. I dont see it on POWE4/5. This is with 2.6.15+ ... PCI: Probing PCI hardware Failed to request PCI IO region on PCI domain 0000 IOMMU table initialized, virtual merging enabled ISA bridge at 0000:00:0b.0 mapping IO f8000000 -> d000080000000000, size: 1000000 mapping IO f9000000 -> d000080001000000, size: 1000000 PCI: Probing PCI hardware done usbcore: registered new driver usbfs usbcore: registered new driver hub TC classifier action (bugs to netdev@vger.kernel.org cc hadi@cyberus.ca) IBM eBus Device Driver RTAS daemon started audit: initializing netlink socket (disabled) audit(1137918797.139:1): initialized VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 512 (order 0, 4096 bytes) Initializing Cryptographic API io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered (default) Using unsupported 1024x768 display at c0000000, depth=8, pitch=1024 Console: switching to colour frame buffer device 128x48 fb0: Open Firmware frame buffer device on /pci@fef00000/display@f HVSI: registered 0 devices Generic RTC Driver v1.07 serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled serial8250.0: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A BUG: spinlock lockup on CPU#3, hotplug/1384, c000000000456900 Call Trace: [C00000003FD37900] [C00000000000ED88] .show_stack+0x68/0x1b0 (unreliable) [C00000003FD379A0] [C0000000001C9780] ._raw_spin_lock+0x110/0x150 [C00000003FD37A20] [C000000000369960] .lock_kernel+0x3c/0x64 [C00000003FD37AA0] [C0000000000CF8D8] .chrdev_open+0x1b4/0x268 [C00000003FD37B50] [C0000000000C0538] .__dentry_open+0x160/0x300 [C00000003FD37C00] [C0000000000C084C] .do_filp_open+0x50/0x70 [C00000003FD37D00] [C0000000000C08E0] .do_sys_open+0x74/0x12c [C00000003FD37DB0] [C0000000000FCB24] .compat_sys_open+0x24/0x38 [C00000003FD37E30] [C0000000000086F8] syscall_exit+0x0/0x40 serial8250.0: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A serial8250.0: ttyS2 at I/O 0x898 (irq = 15) is a 16550A pmac_zilog: 0.6 (Benjamin Herrenschmidt ) RAMDISK driver initialized: 16 RAM disks of 123456K size 1024 blocksize loop: loaded (max 8 devices) input: Macintosh mouse button emulation as /class/input/input0 Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx usbcore: registered new driver hiddev usbcore: registered new driver usbhid drivers/usb/input/hid-core.c: v2.6:USB HID core driver mice: PS/2 mouse device common for all mice input: AT Raw Set 2 keyboard as /class/input/input1 ... -- short story of a lazy sysadmin: alias appserv=wotan