Description of problem: Kdump Kernel could hang or reset, ibm-qs22-01.lab.bos.redhat.com login: SysRq : Trigger a crashdump Sending IPI to other cpus... Starting Linux PPC64 #1 SMP Tue Apr 29 13:56:48 EDT 2008 ----------------------------------------------------- ppc64_pft_size = 0x0 physicalMemorySize = 0x12010000 ppc64_caches.dcache_line_size = 0x80 ppc64_caches.icache_line_size = 0x80 htab_address = 0xc000000011800000 htab_hash_mask = 0xffff physical_start = 0x2000000 ----------------------------------------------------- Linux version 2.6.18-92.el5kdump (brewbuilder.redhat.com) (gcc version 4.1.2 20071124 (Red Hat 4.1.2-41)) #1 SMP Tue Apr 29 13:56:48 EDT 2008 *** 0000 : CF000012 *** 0000 : Setup Arch [boot]0012 Setup Arch mmio NVRAM, 1020k at 0x14502000000 mapped to d000080080070000 *** 0000 : CF000015 *** 0000 : Setup Done [boot]0015 Setup Done Built 2 zonelists. Total pages: 4609 Kernel command line: root=/dev/VolGroup00/LogVol00 ro console=ttyS0,19200 irqpoll maxcpus=1 noirqdistrib reset_devices elfcorehdr=39744K savemaxmem=32768M Misrouted IRQ fixup and polling support enabled This may significantly impact system performance IIC for CPU 0 target id 0xe : /be@20000000000/interrupt-controller@508400 IIC for CPU 1 target id 0xf : /be@20000000000/interrupt-controller@508400 IIC for CPU 2 target id 0x1e : /be@20100000000/interrupt-controller@508400 IIC for CPU 3 target id 0x1f : /be@20100000000/interrupt-controller@508400 mpic: Setting up MPIC " MPIC " version 1.2 at 0, max 4 CPUs mpic: ISU size: 128, shift: 7, mask: 7f mpic: Initializing for 128 sources /axon@10000000000/interrupt-controller : hooking up to IRQ 43 mpic: Setting up MPIC " MPIC " version 1.2 at 0, max 4 CPUs mpic: ISU size: 128, shift: 7, mask: 7f mpic: Initializing for 128 sources /axon@30000000000/interrupt-controller : hooking up to IRQ 299 PID hash table entries: 2048 (order: 11, 16384 bytes) Using Cell machine description Found initrd at 0xc0000000026f0000:0xc000000002a20000 Starting Linux PPC64 #1 SMP Tue Apr 29 13:56:48 EDT 2008 ----------------------------------------------------- ppc64_pft_size = 0x0 physicalMemorySize = 0x12010000 ppc64_caches.dcache_line_size = 0x80 ppc64_caches.icache_line_size = 0x80 htab_address = 0xc000000011800000 htab_hash_mask = 0xffff physical_start = 0x2000000 ----------------------------------------------------- Linux version 2.6.18-92.el5kdump (brewbuilder.redhat.com) (gcc version 4.1.2 20071124 (Red Hat 4.1.2-41)) #1 SMP Tue Apr 29 13:56:48 EDT 2008 *** 0000 : CF000012 *** 0000 : Setup Arch [boot]0012 Setup Arch mmio NVRAM, 1020k at 0x14502000000 mapped to d000080080070000 *** 0000 : CF000015 *** 0000 : Setup Done [boot]0015 Setup Done Built 2 zonelists. Total pages: 4609 Kernel command line: root=/dev/VolGroup00/LogVol00 ro console=ttyS0,19200 irqpoll maxcpus=1 noirqdistrib reset_devices elfcorehdr=39744K savemaxmem=32768M Misrouted IRQ fixup and polling support enabled This may significantly impact system performance IIC for CPU 0 target id 0xe : /be@20000000000/interrupt-controller@508400 IIC for CPU 1 target id 0xf : /be@20000000000/interrupt-controller@508400 IIC for CPU 2 target id 0x1e : /be@20100000000/interrupt-controller@508400 IIC for CPU 3 target id 0x1f : /be@20100000000/interrupt-controller@508400 mpic: Setting up MPIC " MPIC " version 1.2 at 0, max 4 CPUs mpic: ISU size: 128, shift: 7, mask: 7f mpic: Initializing for 128 sources /axon@10000000000/interrupt-controller : hooking up to IRQ 43 mpic: Setting up MPIC " MPIC " version 1.2 at 0, max 4 CPUs mpic: ISU size: 128, shift: 7, mask: 7f mpic: Initializing for 128 sources /axon@30000000000/interrupt-controller : hooking up to IRQ 299 PID hash table entries: 2048 (order: 11, 16384 bytes) Console: colour dummy device 80x25 Dentry cache hash table entries: 65536 (order: 3, 524288 bytes) Inode-cache hash table entries: 32768 (order: 2, 262144 bytes) freeing bootmem node 0 Memory: 241856k/294976k available (4352k kernel code, 53120k reserved, 1280k data, 841k bss, 320k init) Security Framework v1.0.0 initialized SELinux: Initializing. selinux_register_security: Registering secondary module capability Capability LSM initialized as secondary Mount-cache hash table entries: 4096 Brought up 1 CPUs checking if image is initramfs... it is Freeing initrd memory: 3264k freed NET: Registered protocol family 16 *** 0000 : Linux ppc64 *** 0000 : 2.6.18-92.el5kdump iommu: disabled, direct DMA offset is 0x0 irq: no irq host found for /axon@10000000000/plb5/pciex-utl@a00000a000004000 ! irq: no irq host found for /axon@10000000000/plb5/pciex-utl@a00000a200004000 ! irq: no irq host found for /axon@30000000000/plb5/pciex-utl@a00000a000004000 ! irq: no irq host found for /axon@30000000000/plb5/pciex-utl@a00000a200004000 ! No pciex nodes found No pcix nodes found usbcore: registered new driver usbfs usbcore: registered new driver hub NetLabel: Initializing NetLabel: domain hash size = 128 NetLabel: protocols = UNLABELED CIPSOv4 NetLabel: unlabeled traffic allowed by default NET: Registered protocol family 2 IP route cache hash table entries: 4096 (order: -1, 32768 bytes) TCP established hash table entries: 16384 (order: 2, 262144 bytes) TCP bind hash table entries: 8192 (order: 1, 131072 bytes) TCP: Hash tables configured (established 16384 bind 8192) TCP reno registered IBM eBus Device Driver scan-log-dump not implemented on this system audit: initializing netlink socket (disabled) audit(1223966960.593:1): initialized Total HugeTLB memory allocated, 0 VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 8192 (order 0, 65536 bytes) Initializing Cryptographic API ksign: Installing public key data Loading keyring - Added public key DAA8D2EFA77BA785 - User ID: Red Hat, Inc. (Kernel Module GPG key) io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered (default) assign_interrupt_mode Found MSI capability assign_interrupt_mode Found MSI capability assign_interrupt_mode Found MSI capability assign_interrupt_mode Found MSI capability pci_hotplug: PCI Hot Plug PCI Core version: 0.5 rpaphp: RPA HOT Plug PCI Controller Driver version: 0.1 rpadlpar_io_init: partition not DLPAR capable Generic RTC Driver v1.07 Linux agpgart interface v0.101 (c) Dave Jones Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled serial8250.0: ttyS0 at MMIO 0x14540000200 (irq = 16) is a 16550A serial8250.0: ttyS1 at MMIO 0x14540000300 (irq = 17) is a 16550A serial8250.0: ttyS2 at MMIO 0x34540000200 (irq = 18) is a 16550A serial8250.0: ttyS3 at MMIO 0x34540000300 (irq = 19) is a 16550A 14540000200.serial: ttyS0 at MMIO 0x14540000200 (irq = 16) is a 16550A 14540000300.serial: ttyS1 at MMIO 0x14540000300 (irq = 17) is a 16550A 34540000200.serial: ttyS2 at MMIO 0x34540000200 (irq = 18) is a 16550A 34540000300.serial: ttyS3 at MMIO 0x34540000300 (irq = 19) is a 16550A RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx ide-floppy driver 0.99.newide 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 md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 md: bitmap version 4.39 TCP bic registered Initializing IPsec netlink socket NET: Registered protocol family 1 NET: Registered protocol family 17 Freeing unused kernel memory: 320k freed ehci_hcd 0005:00:01.2: EHCI Host Controller ehci_hcd 0005:00:01.2: new USB bus registered, assigned bus number 1 ehci_hcd 0005:00:01.2: irq 36, io mem 0x34780002000 ehci_hcd 0005:00:01.2: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 5 ports detected ohci_hcd 0005:00:01.0: OHCI Host Controller ohci_hcd 0005:00:01.0: new USB bus registered, assigned bus number 2 ohci_hcd 0005:00:01.0: irq 36, io mem 0x34780000000 usb usb2: configuration #1 chosen from 1 choice hub 2-0:1.0: USB hub found hub 2-0:1.0: 3 ports detected usb 1-5: new high speed USB device using ehci_hcd and address 2 ohci_hcd 0005:00:01.1: OHCI Host Controller ohci_hcd 0005:00:01.1: new USB bus registered, assigned bus number 3 ohci_hcd 0005:00:01.1: irq 36, io mem 0x34780001000 usb usb3: configuration #1 chosen from 1 choice hub 3-0:1.0: USB hub found hub 3-0:1.0: 2 ports detected USB Universal Host Controller Interface driver v3.0 SCSI subsystem initialized Initializing USB Mass Storage driver... ehci_hcd 0005:00:01.2: Unlink after no-IRQ? Controller is probably using the wrong IRQ. hub 1-0:1.0: Cannot enable port 5. Maybe the USB cable is bad? usbcore: registered new driver usb-storage USB Mass Storage support registered. device-mapper: uevent: version 1.0.3 device-mapper: ioctl: 4.11.5-ioctl (2007-12-12) initialised: dm-devel <hang...> Version-Release number of selected component (if applicable): kernel-2.6.18-118.el5 and kernel-2.6.18-92.el5 kernel-kdump-2.6.18-118.el5 and kernel-kdump-2.6.18-92.el5 kexec-tools-1.102pre-46.el5 and kexec-tools-1.102pre-21.el5 How reproducible: always Steps to Reproduce: 1. reserve ibm-qs22-01.lab.bos.redhat.com 2. configure Kdump with crashkernel=256M@32M 3. SysRq-C
*** This bug has been marked as a duplicate of bug 426293 ***