Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755721AbYGVLJA (ORCPT ); Tue, 22 Jul 2008 07:09:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751774AbYGVLIw (ORCPT ); Tue, 22 Jul 2008 07:08:52 -0400 Received: from yw-out-2324.google.com ([74.125.46.28]:4067 "EHLO yw-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751189AbYGVLIt (ORCPT ); Tue, 22 Jul 2008 07:08:49 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=h+i3UmAvk8K3cbYB9ZoKAtbs58O/6gyj95KI7nC3I+EfnHCuxJB1oASOJas+fNo6hg YpTIjqxJWk3IZZbLnXhYIPqKnwoITFZEX4UaABTJqmD7JaaEtxr8hFqy4HgI/+v25s52 I4oBMQZ8UNcBYtLt+EzQLeTTtu/vjouCNXNM0= Message-ID: Date: Tue, 22 Jul 2008 16:38:47 +0530 From: Tej To: "Al Viro" Subject: Re: PANIC with linux-next-2.6.26-next-20080718 Cc: linux-kernel@vger.kernel.org In-Reply-To: <20080721132027.GD28946@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline References: <20080721132027.GD28946@ZenIV.linux.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by alpha.home.local id m6MB9Nfq014536 Content-Length: 21302 Lines: 12 On Mon, Jul 21, 2008 at 6:50 PM, Al Viro wrote:> On Mon, Jul 21, 2008 at 04:18:35PM +0530, Tej Parkash wrote:>> while testing linux-next with commit>> "commit 43a2c1df777e18dfb0ba48d03b4f8b8ff80f1b57">> Author: Stephen Rothwell >> Date: Fri Jul 18 19:27:47 2008 +1000>>>> machine hang with the following panic. config/cpuinfo/lspci are attached.>> trying git-bisect.>> Apply the patch below or try the current linux-next where vfs-next is> rebased on top of net-next with that sucker folded in. after applying the patch suggested by you, kernel panic with differentstack trace. message captured on serial console:NET: Registered protocol family 16No dock devices found.ACPI: bus type pci registeredPCI: MCFG configuration 0: base f0000000 segment 0 buses 0 - 127PCI: Not using MMCONFIG.PCI: Using configuration type 1 for base accessACPI: Interpreter enabledACPI: (supports S0 S3 S4 S5)ACPI: Using IOAPIC for interrupt routingPCI: MCFG configuration 0: base f0000000 segment 0 buses 0 - 127PCI: MCFG area at f0000000 reserved in ACPI motherboard resourcesPCI: Using MMCONFIG for extended config spaceACPI: PCI Root Bridge [PCI0] (0000:00)pci 0000:00:03.0: PME# supported from D0 D3hot D3coldpci 0000:00:03.0: PME# disabledpci 0000:00:19.0: PME# supported from D0 D3hot D3coldpci 0000:00:19.0: PME# disabledpci 0000:00:1a.7: PME# supported from D0 D3hot D3coldpci 0000:00:1a.7: PME# disabledpci 0000:00:1b.0: PME# supported from D0 D3hot D3coldpci 0000:00:1b.0: PME# disabledpci 0000:00:1c.0: PME# supported from D0 D3hot D3coldpci 0000:00:1c.0: PME# disabledpci 0000:00:1c.1: PME# supported from D0 D3hot D3coldpci 0000:00:1c.1: PME# disabledpci 0000:00:1c.2: PME# supported from D0 D3hot D3coldpci 0000:00:1c.2: PME# disabledpci 0000:00:1c.3: PME# supported from D0 D3hot D3coldpci 0000:00:1c.3: PME# disabledpci 0000:00:1c.4: PME# supported from D0 D3hot D3coldpci 0000:00:1c.4: PME# disabledpci 0000:00:1d.7: PME# supported from D0 D3hot D3coldpci 0000:00:1d.7: PME# disabledpci 0000:00:1f.0: quirk: region 0400-047f claimed by ICH6 ACPI/GPIO/TCOpci 0000:00:1f.0: quirk: region 0500-053f claimed by ICH6 GPIOpci 0000:00:1f.2: PME# supported from D3hotpci 0000:00:1f.2: PME# disabledpci 0000:00:1f.5: PME# supported from D3hotpci 0000:00:1f.5: PME# disabledpci 0000:02:00.0: PME# supported from D0 D1 D3hotpci 0000:02:00.0: PME# disabledpci 0000:00:1e.0: transparent bridgeACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 7 9 10 *11 12)ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 9 *10 11 12)ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 9 10 *11 12)ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 9 10 *11 12)ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 7 *9 10 11 12)ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 7 9 *10 11 12)ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 7 *9 10 11 12)ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 7 9 10 *11 12)Linux Plug and Play Support v0.97 (c) Adam Belaypnp: PnP ACPI initACPI: bus type pnp registeredpnp: PnP ACPI: found 14 devicesACPI: ACPI bus type pnp unregisteredSCSI subsystem initializedusbcore: registered new interface driver usbfsusbcore: registered new interface driver hubusbcore: registered new device driver usbPCI: Using ACPI for IRQ routingNetLabel: InitializingNetLabel: domain hash size = 128NetLabel: protocols = UNLABELED CIPSOv4NetLabel: unlabeled traffic allowed by defaulthpet0: at MMIO 0xfed00000, IRQs 2, 8, 0hpet0: 3 64-bit timers, 14318180 Hztracer: 772 pages allocated for 65536 entries of 48 bytes actual entries 65620ACPI: RTC can wake from S4system 00:01: iomem range 0xf0000000-0xf7ffffff has been reservedsystem 00:01: iomem range 0xfed13000-0xfed13fff has been reservedsystem 00:01: iomem range 0xfed14000-0xfed17fff has been reservedsystem 00:01: iomem range 0xfed18000-0xfed18fff has been reservedsystem 00:01: iomem range 0xfed19000-0xfed19fff has been reservedsystem 00:01: iomem range 0xfed1c000-0xfed1ffff has been reservedsystem 00:01: iomem range 0xfed20000-0xfed3ffff has been reservedsystem 00:01: iomem range 0xfed45000-0xfed99fff has been reservedsystem 00:01: iomem range 0xc0000-0xdffff could not be reservedsystem 00:01: iomem range 0xe0000-0xfffff could not be reservedsystem 00:06: ioport range 0x500-0x53f has been reservedsystem 00:06: ioport range 0x400-0x47f has been reservedsystem 00:06: ioport range 0x680-0x6ff has been reservedsystem 00:07: iomem range 0xfed40000-0xfed44fff has been reservedpci 0000:00:1c.0: PCI bridge, secondary bus 0000:01pci 0000:00:1c.0: IO window: disabledpci 0000:00:1c.0: MEM window: disabledpci 0000:00:1c.0: PREFETCH window: disabledpci 0000:00:1c.1: PCI bridge, secondary bus 0000:02pci 0000:00:1c.1: IO window: 0x1000-0x1fffpci 0000:00:1c.1: MEM window: 0x50000000-0x500fffffpci 0000:00:1c.1: PREFETCH window: disabledpci 0000:00:1c.2: PCI bridge, secondary bus 0000:03pci 0000:00:1c.2: IO window: disabledpci 0000:00:1c.2: MEM window: disabledpci 0000:00:1c.2: PREFETCH window: disabledpci 0000:00:1c.3: PCI bridge, secondary bus 0000:04pci 0000:00:1c.3: IO window: disabledpci 0000:00:1c.3: MEM window: disabledpci 0000:00:1c.3: PREFETCH window: disabledpci 0000:00:1c.4: PCI bridge, secondary bus 0000:05pci 0000:00:1c.4: IO window: disabledpci 0000:00:1c.4: MEM window: disabledpci 0000:00:1c.4: PREFETCH window: disabledpci 0000:00:1e.0: PCI bridge, secondary bus 0000:06pci 0000:00:1e.0: IO window: disabledpci 0000:00:1e.0: MEM window: disabledpci 0000:00:1e.0: PREFETCH window: disabledpci 0000:00:1c.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17pci 0000:00:1c.1: PCI INT B -> GSI 16 (level, low) -> IRQ 16pci 0000:00:1c.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18pci 0000:00:1c.3: PCI INT D -> GSI 19 (level, low) -> IRQ 19pci 0000:00:1c.4: PCI INT A -> GSI 17 (level, low) -> IRQ 17NET: Registered protocol family 2IP route cache hash table entries: 32768 (order: 5, 131072 bytes)TCP established hash table entries: 131072 (order: 8, 1048576 bytes)TCP bind hash table entries: 65536 (order: 7, 524288 bytes)TCP: Hash tables configured (established 131072 bind 65536)TCP reno registeredNET: Registered protocol family 1checking if image is initramfs... it isdebug: unmapping init memory f7d8c000..f7ff0000audit: initializing netlink socket (disabled)type=2000 audit(1216702821.799:1): initializedhighmem bounce pool size: 64 pagesTotal HugeTLB memory allocated, 0VFS: Disk quotas dquot_6.5.1Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)msgmni has been set to 1756Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)io scheduler noop registeredio scheduler anticipatory registeredio scheduler deadline registeredio scheduler cfq registered (default)pcieport-driver 0000:00:1c.0: found MSI capabilitypcieport-driver 0000:00:1c.1: found MSI capabilitypcieport-driver 0000:00:1c.2: found MSI capabilitypcieport-driver 0000:00:1c.3: found MSI capabilitypcieport-driver 0000:00:1c.4: found MSI capabilitypci_hotplug: PCI Hot Plug PCI Core version: 0.5[drm] Initialized drm 1.1.0 20060810pci 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16[drm:drm_fill_in_dev] *ERROR* Cannot initialize the agpgart module.DRM: Fill_in_dev failed.pci 0000:00:02.0: PCI INT A disabledinput: Power Button (FF) as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0ACPI: Power Button (FF) [PWRF]input: Sleep Button (CM) as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/inp1ACPI: Sleep Button (CM) [SLPB]processor ACPI0007:00: registered as cooling_device0ACPI: Processor [CPU0] (supports 8 throttling states)processor ACPI0007:01: registered as cooling_device1ACPI: Processor [CPU1] (supports 8 throttling states)khelper used greatest stack depth: 7036 bytes leftNon-volatile memory driver v1.2Linux agpgart interface v0.103agpgart: Detected an Intel 965Q Chipset.agpgart: Detected 7676K stolen memory.agpgart: AGP aperture is 256M @ 0x40000000Serial: 8250/16550 driver4 ports, IRQ sharing enabled�serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A00:0b: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550Abrd: module loadedloop: module loadedIntel(R) PRO/1000 Network Driver - version 7.3.20-k2Copyright (c) 1999-2006 Intel Corporation.e100: Intel(R) PRO/100 Network Driver, 3.5.23-k4-NAPIe100: Copyright(c) 1999-2006 Intel Corporationconsole [netcon0] enablednetconsole: network logging startedinput: Macintosh mouse button emulation as /devices/virtual/input/input2Driver 'sd' needs updating - please use bus_type methodsDriver 'sr' needs updating - please use bus_type methodsata_piix 0000:00:1f.2: PCI INT A -> GSI 19 (level, low) -> IRQ 19ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]scsi0 : ata_piixscsi1 : ata_piixata1: SATA max UDMA/133 cmd 0x2438 ctl 0x2454 bmdma 0x2410 irq 19ata2: SATA max UDMA/133 cmd 0x2430 ctl 0x2450 bmdma 0x2418 irq 19ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)ata1.00: ATA-7: WDC WD1600AAJS-22PSA0, 05.06H05, max UDMA/133ata1.00: 312581808 sectors, multi 16: LBA48 NCQ (depth 0/32)ata1.00: configured for UDMA/133ata2: SATA link down (SStatus 0 SControl 300)scsi scan: INQUIRY result too short (5), using 36scsi 0:0:0:0: Direct-Access PQ: 0 ANSI: 0sd 0:0:0:0: [sda] 312581808 512-byte hardware sectors (160042 MB)sd 0:0:0:0: [sda] Write Protect is offsd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPAsd 0:0:0:0: [sda] 312581808 512-byte hardware sectors (160042 MB)sd 0:0:0:0: [sda] Write Protect is offsd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPA sda: sda1 sda2 < sda5 sda6 sda7 sda8 sda9 sda10 >sd 0:0:0:0: [sda] Attached SCSI disksd 0:0:0:0: Attached scsi generic sg0 type 0ata_piix 0000:00:1f.5: PCI INT A -> GSI 19 (level, low) -> IRQ 19ata_piix 0000:00:1f.5: MAP [ P0 -- P1 -- ]scsi2 : ata_piixscsi3 : ata_piixata3: SATA max UDMA/133 cmd 0x2428 ctl 0x244c bmdma 0x20f0 irq 19ata4: SATA max UDMA/133 cmd 0x2420 ctl 0x2448 bmdma 0x20f8 irq 19ata3: SATA link down (SStatus 0 SControl 300)ata4: SATA link down (SStatus 0 SControl 300)ehci_hcd 0000:00:1a.7: PCI INT C -> GSI 18 (level, low) -> IRQ 18ehci_hcd 0000:00:1a.7: EHCI Host Controllerehci_hcd 0000:00:1a.7: new USB bus registered, assigned bus number 1ehci_hcd 0000:00:1a.7: debug port 1ehci_hcd 0000:00:1a.7: irq 18, io mem 0x50225400ehci_hcd 0000:00:1a.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004usb usb1: configuration #1 chosen from 1 choicehub 1-0:1.0: USB hub foundhub 1-0:1.0: 4 ports detectedusb usb1: New USB device found, idVendor=1d6b, idProduct=0002usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1usb usb1: Product: EHCI Host Controllerusb usb1: Manufacturer: Linux 2.6.26-next-20080718 ehci_hcdusb usb1: SerialNumber: 0000:00:1a.7ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23ehci_hcd 0000:00:1d.7: EHCI Host Controllerehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 2ehci_hcd 0000:00:1d.7: debug port 1ehci_hcd 0000:00:1d.7: irq 23, io mem 0x50225000ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004usb usb2: configuration #1 chosen from 1 choicehub 2-0:1.0: USB hub foundhub 2-0:1.0: 6 ports detectedusb usb2: New USB device found, idVendor=1d6b, idProduct=0002usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1usb usb2: Product: EHCI Host Controllerusb usb2: Manufacturer: Linux 2.6.26-next-20080718 ehci_hcdusb usb2: SerialNumber: 0000:00:1d.7USB Universal Host Controller Interface driver v3.0uhci_hcd 0000:00:1a.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16uhci_hcd 0000:00:1a.0: UHCI Host Controlleruhci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 3uhci_hcd 0000:00:1a.0: detected 2 portsuhci_hcd 0000:00:1a.0: irq 16, io base 0x000020a0usb usb3: configuration #1 chosen from 1 choicehub 3-0:1.0: USB hub foundhub 3-0:1.0: 2 ports detectedusb usb3: New USB device found, idVendor=1d6b, idProduct=0001usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1usb usb3: Product: UHCI Host Controllerusb usb3: Manufacturer: Linux 2.6.26-next-20080718 uhci_hcdusb usb3: SerialNumber: 0000:00:1a.0uhci_hcd 0000:00:1a.1: PCI INT B -> GSI 21 (level, low) -> IRQ 21uhci_hcd 0000:00:1a.1: UHCI Host Controlleruhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 4uhci_hcd 0000:00:1a.1: detected 2 portsuhci_hcd 0000:00:1a.1: irq 21, io base 0x00002080usb usb4: configuration #1 chosen from 1 choicehub 4-0:1.0: USB hub foundhub 4-0:1.0: 2 ports detectedusb usb4: New USB device found, idVendor=1d6b, idProduct=0001usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1usb usb4: Product: UHCI Host Controllerusb usb4: Manufacturer: Linux 2.6.26-next-20080718 uhci_hcdusb usb4: SerialNumber: 0000:00:1a.1uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23uhci_hcd 0000:00:1d.0: UHCI Host Controlleruhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 5uhci_hcd 0000:00:1d.0: detected 2 portsuhci_hcd 0000:00:1d.0: irq 23, io base 0x00002060usb usb5: configuration #1 chosen from 1 choicehub 5-0:1.0: USB hub foundhub 5-0:1.0: 2 ports detectedusb usb5: New USB device found, idVendor=1d6b, idProduct=0001usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1usb usb5: Product: UHCI Host Controllerusb usb5: Manufacturer: Linux 2.6.26-next-20080718 uhci_hcdusb usb5: SerialNumber: 0000:00:1d.0uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19uhci_hcd 0000:00:1d.1: UHCI Host Controlleruhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 6uhci_hcd 0000:00:1d.1: detected 2 portsuhci_hcd 0000:00:1d.1: irq 19, io base 0x00002040usb usb6: configuration #1 chosen from 1 choicehub 6-0:1.0: USB hub foundhub 6-0:1.0: 2 ports detectedusb usb6: New USB device found, idVendor=1d6b, idProduct=0001usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1usb usb6: Product: UHCI Host Controllerusb usb6: Manufacturer: Linux 2.6.26-next-20080718 uhci_hcdusb usb6: SerialNumber: 0000:00:1d.1uhci_hcd 0000:00:1d.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18uhci_hcd 0000:00:1d.2: UHCI Host Controlleruhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 7uhci_hcd 0000:00:1d.2: detected 2 portsuhci_hcd 0000:00:1d.2: irq 18, io base 0x00002020usb usb7: configuration #1 chosen from 1 choicehub 7-0:1.0: USB hub foundhub 7-0:1.0: 2 ports detecuntitled foldertedusb usb7: New USB device found, idVendor=1d6b, idProduct=0001usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1usb usb7: Product: UHCI Host Controllerusb usb7: Manufacturer: Linux 2.6.26-next-20080718 uhci_hcdusb usb7: SerialNumber: 0000:00:1d.2usbcore: registered new interface driver usblpInitializing USB Mass Storage driver...usbcore: registered new interface driver usb-storageUSB Mass Storage support registered.usbcore: registered new interface driver libusualPNP: PS/2 Controller [PNP0303:PS2K,PNP0f03:PS2M] at 0x60,0x64 irq 1,12serio: i8042 KBD port at 0x60,0x64 irq 1serio: i8042 AUX port at 0x60,0x64 irq 12mice: PS/2 mouse device common for all miceinput: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/inp3rtc_cmos 00:03: rtc core: registered rtc_cmos as rtc0rtc0: alarms up to one monthi801_smbus 0000:00:1f.3: PCI INT B -> GSI 21 (level, low) -> IRQ 21device-mapper: ioctl: 4.14.0-ioctl (2008-04-23) initialised: dm-devel@redhat.comcpuidle: using governor laddercpuidle: using governor menuusbcore: registered new interface driver hiddevusbcore: registered new interface driver usbhidusbhid: v2.6:USB HID core driverAdvanced Linux Sound Architecture Driver Version 1.0.17.modprobe: FATAL: Could not load /lib/modules/2.6.26-next-20080718/modules.dep: y modprobe used greatest stack depth: 7012 bytes leftHDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22ALSA device list: #0: HDA Intel at 0x50220000 irq 22Netfilter messages via NETLINK v0.30.nf_conntrack version 0.5.0 (16384 buckets, 65536 max)ctnetlink v0.93: registering with nfnetlink.ip_tables: (C) 2000-2006 Netfilter Core TeamTCP cubic registeredInitializing XFRM netlink socketNET: Registered protocol family 10ip6_tables: (C) 2000-2006 Netfilter Core TeamIPv6 over IPv4 tunneling driverNET: Registered protocol family 17Starting balanced_irqUsing IPI No-Shortcut moderegistered taskstats version 1 Magic number: 0:149:12usb_host usb_host1: hash matches------------[ cut here ]------------kernel BUG at security/selinux/avc.c:883!invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOClast sysfs file:Modules linked in: Pid: 1, comm: swapper Not tainted (2.6.26-next-20080718 #23)EIP: 0060:[] EFLAGS: 00010246 CPU: 1EIP is at avc_has_perm_noaudit+0x19/0x2d7EAX: 00000001 EBX: 00000006 ECX: 00000006 EDX: 00000003ESI: f7812370 EDI: f7877e20 EBP: f7877e04 ESP: f7877db0 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068Process swapper (pid: 1, ti=f7876000 task=f7878000 task.ti=f7876000)Stack: f7877dc0 0006c058 00000003 00000001 00000001 00000000 00000000 f740ab00 f7877efc f7877dfc c028aebd f7877e64 f74020b0 00000004 019ff37b f78f0001 019ff37b f740ab00 00000006 f7812370 f7877e20 f7877e40 c02e9313 00000000Call Trace: [] ? __d_lookup+0x9b/0xd7 [] ? avc_has_perm+0x22/0x43 [] ? __link_path_walk+0x953/0xa66 [] ? inode_has_perm+0x5e/0x68 [] ? selinux_inode_permission+0xff/0x108 [] ? security_inode_permission+0x1a/0x20 [] ? permission+0xc8/0xdc [] ? vfs_permission+0x10/0x12 [] ? sys_faccessat+0xb7/0x152 [] ? insert_resource+0x24/0x15a [] ? flush_cpu_workqueue+0x2a/0x66 [] ? pci_mmcfg_insert_resources+0xc1/0xf6 [] ? sys_access+0x10/0x12 [] ? kernel_init+0x223/0x247 [] ? tcp_congestion_default+0x0/0xf [] ? schedule_tail+0x19/0x48 [] ? ret_from_fork+0x6/0x1c [] ? kernel_init+0x0/0x247 [] ? kernel_init+0x0/0x247 [] ? kernel_thread_helper+0x7/0x10 =======================Code: b6 7d c0 89 55 ec eb bb 83 c4 14 89 f8 5b 5e 5f 5d c3 55 89 e5 57 56 53 8EIP: [] avc_has_perm_noaudit+0x19/0x2d7 SS:ESP 0068:f7877db0---[ end trace 7ce084a488fdd36e ]---usb usb3: suspend_rh (auto-stop)Kernel panic - not syncing: Attempted to kill init!Pid: 1, comm: swapper Tainted: G D 2.6.26-next-20080718 #23 [] panic+0x3f/0xe1 [] do_exit+0x5b/0x720 [] ? printk+0x15/0x17 [] ? print_oops_end_marker+0x1e/0x23 [] die+0x127/0x12f [] do_trap+0x8a/0xa3 [] ? do_invalid_op+0x0/0x76 [] do_invalid_op+0x6c/0x76 [] ? avc_has_perm_noaudit+0x19/0x2d7 [] ? avc_has_perm+0x39/0x43 [] error_code+0x72/0x78 [] ? avc_has_perm_noaudit+0x19/0x2d7 [] ? __d_lookup+0x9b/0xd7 [] avc_has_perm+0x22/0x43 [] ? __link_path_walk+0x953/0xa66 [] inode_has_perm+0x5e/0x68 [] selinux_inode_permission+0xff/0x108 [] security_inode_permission+0x1a/0x20usb usb4: suspend_rh (auto-stop) [] permission+0xc8/0xdc [] vfs_permission+0x10/0x12 [] sys_faccessat+0xb7/0x152 [] ? insert_resource+0x24/0x15a [] ? flush_cpu_workqueue+0x2a/0x66 [] ? pci_mmcfg_insert_resources+0xc1/0xf6 [] sys_access+0x10/0x12 [] kernel_init+0x223/0x247 [] ? tcp_congestion_default+0x0/0xf [] ? schedule_tail+0x19/0x48 [] ? ret_from_fork+0x6/0x1c [] ? kernel_init+0x0/0x247 [] ? kernel_init+0x0/0x247 [] kernel_thread_helper+0x7/0x10 ======================= latest linux-next20080721 is not showing the above panic but a differnt panic.BUG: Int 14: CR2 b0017833 EDI 00000082 ESI 00000000 EBP c059be88 ESP c059be5c EBX f000ec62 EDX 0000000e ECX c0595480 EAX f000ec62 err 00000000 EIP c0181ca0 CS 00000060 flg 00010082 Below link suggested a patch to solve the bug, after applying thepatch the machine booted normallyhttp://lkml.org/lkml/2008/7/14/444 thankstej >> diff --git a/net/sysctl_net.c b/net/sysctl_net.c> index b91a5de..2240a9e 100644> --- a/net/sysctl_net.c> +++ b/net/sysctl_net.c> @@ -44,13 +44,6 @@ static struct ctl_table_root net_sysctl_root = {> .lookup = net_ctl_header_lookup,> };>> -static LIST_HEAD(net_sysctl_ro_tables);> -static struct list_head *net_ctl_ro_header_lookup(struct ctl_table_root *root,> - struct nsproxy *namespaces)> -{> - return &net_sysctl_ro_tables;> -}> -> static int net_ctl_ro_header_perms(struct ctl_table_root *root,> struct nsproxy *namespaces, struct ctl_table *table)> {> @@ -61,7 +54,6 @@ static int net_ctl_ro_header_perms(struct ctl_table_root *root,> }>> static struct ctl_table_root net_sysctl_ro_root = {> - .lookup = net_ctl_ro_header_lookup,> .permissions = net_ctl_ro_header_perms,> };>> @@ -89,6 +81,7 @@ static __init int sysctl_init(void)> if (ret)> goto out;> register_sysctl_root(&net_sysctl_root);> + setup_sysctl_set(&net_sysctl_ro_root.default_set, NULL, NULL);> register_sysctl_root(&net_sysctl_ro_root);> out:> return ret;>>????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m???? ????????I?