Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758646Ab1DNRcx (ORCPT ); Thu, 14 Apr 2011 13:32:53 -0400 Received: from lvps87-230-0-242.dedicated.hosteurope.de ([87.230.0.242]:35478 "EHLO lvps87-230-0-242.dedicated.hosteurope.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751266Ab1DNRcu (ORCPT ); Thu, 14 Apr 2011 13:32:50 -0400 Date: Thu, 14 Apr 2011 19:32:39 +0200 From: Michael Guntsche To: "linux-kernel@vger.kernel.org" Subject: [Bug] Boot hangs with 2.6.39-rc[123] Message-ID: <20110414191945@it-loops.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 23901 Lines: 531 Hi list, Apparently all the 2.6.39-rc kernels up to current git HEAD hang on my setup here during boot. They survive the initramfs step, but after or during the root file system mount it just hangs. This is a software RAID-5->LVM setup. The machine itself boots without any problems with a 2.6.38 kernel. The hardware: processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Pentium(R) 4 CPU 1.70GHz stepping : 2 cpu MHz : 1699.523 cache size : 256 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pebs bts bogomips : 3399.04 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 32 bits virtual power management: I hooked up a working serial console to capture the boot messages... As I said initramfs and kernel loads fine it also enters runlevel "S" Linux version 2.6.39-rc3+ (root@gibson) (gcc version 4.5.2 (Debian 4.5.2-9) ) #2 Thu Apr 14 08:26:52 CEST 2011 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) BIOS-e820: 00000000000e8000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 00000000bffb0000 (usable) BIOS-e820: 00000000bffb0000 - 00000000bffc0000 (ACPI data) BIOS-e820: 00000000bffc0000 - 00000000bfff0000 (ACPI NVS) BIOS-e820: 00000000bfff0000 - 00000000c0000000 (reserved) BIOS-e820: 00000000ffb80000 - 0000000100000000 (reserved) Notice: NX (Execute Disable) protection missing in CPU! DMI 2.3 present. last_pfn = 0xbffb0 max_arch_pfn = 0x100000 x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 found SMP MP-table at [c00ff780] ff780 init_memory_mapping: 0000000000000000-00000000377fe000 RAMDISK: 376ca000 - 37b5d000 Allocated new RAMDISK: 37237000 - 376c97de Move RAMDISK from 00000000376ca000 - 0000000037b5c7dd to 37237000 - 376c97dd ACPI: RSDP 000fad60 00021 (v02 ACPIAM) ACPI: XSDT bffb0100 0003C (v01 A M I OEMXSDT 12000513 MSFT 00000097) ACPI: FACP bffb0290 000F4 (v03 A M I OEMFACP 12000513 MSFT 00000097) ACPI: DSDT bffb03f0 03763 (v01 A0049 A0049000 00000000 INTL 02002026) ACPI: FACS bffc0000 00040 ACPI: APIC bffb0390 0005C (v01 A M I OEMAPIC 12000513 MSFT 00000097) ACPI: OEMB bffc0040 0003F (v01 A M I OEMBIOS 12000513 MSFT 00000097) 2183MB HIGHMEM available. 887MB LOWMEM available. mapped low ram: 0 - 377fe000 low ram: 0 - 377fe000 Zone PFN ranges: DMA 0x00000010 -> 0x00001000 Normal 0x00001000 -> 0x000377fe HighMem 0x000377fe -> 0x000bffb0 Movable zone start PFN for each node early_node_map[2] active PFN ranges 0: 0x00000010 -> 0x0000009f 0: 0x00000100 -> 0x000bffb0 Using APIC driver default ACPI: PM-Timer IO Port: 0x808 ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x81] disabled) ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 1, version 32, address 0xfec00000, GSI 0-23 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) Using ACPI (MADT) for SMP configuration information Allocating PCI resources starting at c0000000 (gap: c0000000:3fb80000) Built 1 zonelists in Zone order, mobility grouping on. Total pages: 780095 Kernel command line: BOOT_IMAGE=/vmlinuz-2.6.39-rc3+ root=/dev/mapper/HotFuzz-root ro video=matroxfb:vesa:0x118,fv:90 console=ttyS0,115200 console=tty0 PID hash table entries: 4096 (order: 2, 16384 bytes) Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Initializing CPU#0 Initializing HighMem for node 0 (000377fe:000bffb0) Memory: 3110888k/3145408k available (2160k kernel code, 34068k reserved, 1241k data, 320k init, 2236104k highmem) virtual kernel memory layout: fixmap : 0xfffa3000 - 0xfffff000 ( 368 kB) pkmap : 0xff800000 - 0xffc00000 (4096 kB) vmalloc : 0xf7ffe000 - 0xff7fe000 ( 120 MB) lowmem : 0xc0000000 - 0xf77fe000 ( 887 MB) .init : 0xc1353000 - 0xc13a3000 ( 320 kB) .data : 0xc121c3a7 - 0xc1352b00 (1241 kB) .text : 0xc1000000 - 0xc121c3a7 (2160 kB) Checking if this processor honours the WP bit even in supervisor mode...Ok. SLUB: Genslabs=15, HWalign=128, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 NR_IRQS:288 Console: colour VGA+ 80x25 console [tty0] enabled console [ttyS0] enabled Fast TSC calibration using PIT Detected 1699.419 MHz processor. Calibrating delay loop (skipped), value calculated using timer frequency.. 3398.83 BogoMIPS (lpj=6797676) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 512 mce: CPU supports 4 MCE banks CPU: Intel(R) Pentium(R) 4 CPU 1.70GHz stepping 02 ACPI: Core revision 20110316 Performance Events: Netburst events, Netburst P4/Xeon PMU driver. ... version: 0 ... bit width: 40 ... generic registers: 18 ... value mask: 000000ffffffffff ... max period: 0000007fffffffff ... fixed-purpose events: 0 ... event mask: 000000000003ffff Enabling APIC mode: Flat. Using 1 I/O APICs ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 xor: automatically using best checksumming function: pIII_sse pIII_sse : 2243.000 MB/sec xor: using function: pIII_sse (2243.000 MB/sec) NET: Registered protocol family 16 ACPI: bus type pci registered PCI: PCI BIOS revision 2.10 entry at 0xf0031, last bus=2 PCI: Using configuration type 1 for base access bio: create slab at 0 raid6: int32x1 387 MB/s raid6: int32x2 454 MB/s raid6: int32x4 458 MB/s raid6: int32x8 335 MB/s raid6: mmxx1 1401 MB/s raid6: mmxx2 1795 MB/s raid6: sse1x1 925 MB/s raid6: sse1x2 1453 MB/s raid6: sse2x1 1837 MB/s raid6: sse2x2 1793 MB/s raid6: using algorithm sse2x1 (1837 MB/s) ACPI: Executed 1 blocks of module-level executable AML code ACPI: Interpreter enabled ACPI: (supports S0 S1 S3 S5) ACPI: Using IOAPIC for interrupt routing ACPI: No dock devices found. PCI: Ignoring host bridge windows from ACPI; if necessary, use "pci=use_crs" and report a bug ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) pci 0000:00:00.0: Enabling MCH 'Overflow' Device pci 0000:00:01.0: PCI bridge to [bus 01-01] pci 0000:00:1e.0: PCI bridge to [bus 02-02] (subtractive decode) ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 *10 11 12 14 15) ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 *5 6 7 10 11 12 14 15) ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 *5 6 7 10 11 12 14 15) ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 *5 6 7 10 11 12 14 15) ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 10 11 12 14 15) *0, disabled. ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 10 *11 12 14 15) ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 *5 6 7 10 11 12 14 15) ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 10 *11 12 14 15) vgaarb: device added: PCI:0000:01:00.0,decodes=io+mem,owns=io+mem,locks=none vgaarb: loaded SCSI subsystem initialized PCI: Using ACPI for IRQ routing hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 hpet0: 3 comparators, 64-bit 14.318180 MHz counter Switching to clocksource hpet pnp: PnP ACPI init ACPI: bus type pnp registered Switched to NOHz mode on CPU #0 system 00:09: [io 0x0680-0x06ff] has been reserved system 00:09: [io 0x0290-0x0297] has been reserved system 00:0a: [io 0x04d0-0x04d1] has been reserved system 00:0a: [io 0x0800-0x087f] has been reserved system 00:0a: [io 0x0480-0x04bf] has been reserved system 00:0a: [mem 0xfed20000-0xfed8ffff] has been reserved system 00:0a: [mem 0xffb00000-0xffbfffff] could not be reserved system 00:0b: [mem 0xfec00000-0xfec00fff] could not be reserved system 00:0b: [mem 0xfee00000-0xfee00fff] has been reserved system 00:0c: [mem 0x00000000-0x0009ffff] could not be reserved system 00:0c: [mem 0x000c0000-0x000dffff] could not be reserved system 00:0c: [mem 0x000e0000-0x000fffff] could not be reserved system 00:0c: [mem 0x00100000-0xbffeffff] could not be reserved system 00:0c: [mem 0xfff00000-0xffffffff] has been reserved pnp: PnP ACPI: found 13 devices ACPI: ACPI bus type pnp unregistered pci 0000:00:1f.1: BAR 5: assigned [mem 0xc0000000-0xc00003ff] pci 0000:00:1f.1: BAR 5: set to [mem 0xc0000000-0xc00003ff] (PCI address [0xc0000000-0xc00003ff]) pci 0000:00:01.0: PCI bridge to [bus 01-01] pci 0000:00:01.0: bridge window [io disabled] pci 0000:00:01.0: bridge window [mem 0xfd800000-0xfe8fffff] pci 0000:00:01.0: bridge window [mem 0xf3f00000-0xf7efffff pref] pci 0000:00:1e.0: PCI bridge to [bus 02-02] pci 0000:00:1e.0: bridge window [io 0xd000-0xdfff] pci 0000:00:1e.0: bridge window [mem 0xfe900000-0xfeafffff] pci 0000:00:1e.0: bridge window [mem pref disabled] NET: Registered protocol family 2 IP 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: 6, 262144 bytes) TCP: Hash tables configured (established 131072 bind 65536) TCP reno registered UDP hash table entries: 512 (order: 1, 8192 bytes) UDP-Lite hash table entries: 512 (order: 1, 8192 bytes) pci 0000:00:1d.7: EHCI: BIOS handoff failed (BIOS bug?) 01010001 Unpacking initramfs... Freeing initrd memory: 4684k freed highmem bounce pool size: 64 pages msgmni has been set to 1717 io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A 00:05: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A 00:06: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A ata_piix 0000:00:1f.1: enabling device (0005 -> 0007) ata_piix 0000:00:1f.1: PCI INT A -> GSI 18 (level, low) -> IRQ 18 scsi0 : ata_piix scsi1 : ata_piix ata1: PATA max UDMA/100 cmd 0x1f0 ctl 0x3f6 bmdma 0xfc00 irq 14 ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xfc08 irq 15 ata_piix 0000:00:1f.2: PCI INT A -> GSI 18 (level, low) -> IRQ 18 ata_piix 0000:00:1f.2: MAP [ P0 -- P1 -- ] scsi2 : ata_piix scsi3 : ata_piix ata3: SATA max UDMA/133 cmd 0xeff0 ctl 0xefe4 bmdma 0xef90 irq 18 ata4: SATA max UDMA/133 cmd 0xefa8 ctl 0xefe0 bmdma 0xef98 irq 18 sata_sil 0000:02:09.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21 sata_sil 0000:02:09.0: Applying R_ERR on DMA activate FIS errata fix scsi4 : sata_sil scsi5 : sata_sil scsi6 : sata_sil scsi7 : sata_sil ata5: SATA max UDMA/100 mmio m1024@0xfeafbc00 tf 0xfeafbc80 irq 21 ata6: SATA max UDMA/100 mmio m1024@0xfeafbc00 tf 0xfeafbcc0 irq 21 ata7: SATA max UDMA/100 mmio m1024@0xfeafbc00 tf 0xfeafbe80 irq 21 ata8: SATA max UDMA/100 mmio m1024@0xfeafbc00 tf 0xfeafbec0 irq 21 i8042: PNP: No PS/2 controller found. Probing ports directly. serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 mousedev: PS/2 mouse device common for all mice rtc_cmos 00:02: RTC can wake from S4 rtc_cmos 00:02: rtc core: registered rtc_cmos as rtc0 rtc0: alarms up to one month, 114 bytes nvram, hpet irqs md: raid1 personality registered for level 1 md: raid6 personality registered for level 6 md: raid5 personality registered for level 5 md: raid4 personality registered for level 4 device-mapper: ioctl: 4.20.0-ioctl (2011-02-02) initialised: dm-devel@redhat.com cpuidle: using governor ladder cpuidle: using governor menu TCP cubic registered Registering the dns_resolver key type Using IPI Shortcut mode ata3.00: ATA-8: ST3500410SV, CV12, max UDMA/133 ata3.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32) ata4.00: ATA-7: SAMSUNG HD401LJ, ZZ100-15, max UDMA7 ata4.00: 781422768 sectors, multi 16: LBA48 NCQ (depth 0/32) ata3.00: configured for UDMA/133 scsi 2:0:0:0: Direct-Access ATA ST3500410SV CV12 PQ: 0 ANSI: 5 ata4.00: configured for UDMA/133 sd 2:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB) scsi 3:0:0:0: Direct-Access ATA SAMSUNG HD401LJ ZZ10 PQ: 0 ANSI: 5 sd 2:0:0:0: [sda] Write Protect is off sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 3:0:0:0: [sdb] 781422768 512-byte logical blocks: (400 GB/372 GiB) sd 3:0:0:0: [sdb] Write Protect is off sda: sda1 sda2 sd 3:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sd 2:0:0:0: [sda] Attached SCSI disk sdb: sdb1 sd 3:0:0:0: [sdb] Attached SCSI disk ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 310) ata5.00: ATA-8: SAMSUNG HD501LJ, CR100-12, max UDMA7 ata5.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32) ata5.00: configured for UDMA/100 scsi 4:0:0:0: Direct-Access ATA SAMSUNG HD501LJ CR10 PQ: 0 ANSI: 5 sd 4:0:0:0: [sdc] 976773168 512-byte logical blocks: (500 GB/465 GiB) sd 4:0:0:0: [sdc] Write Protect is off sd 4:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sdc: sdc1 sdc2 sd 4:0:0:0: [sdc] Attached SCSI disk Refined TSC clocksource calibration: 1699.182 MHz. Switching to clocksource tsc ata6: SATA link up 1.5 Gbps (SStatus 113 SControl 310) ata6.00: ATA-8: SAMSUNG HD501LJ, CR100-12, max UDMA7 ata6.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32) ata6.00: configured for UDMA/100 scsi 5:0:0:0: Direct-Access ATA SAMSUNG HD501LJ CR10 PQ: 0 ANSI: 5 sd 5:0:0:0: [sdd] 976773168 512-byte logical blocks: (500 GB/465 GiB) sd 5:0:0:0: [sdd] Write Protect is off sd 5:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sdd: sdd1 sdd2 sd 5:0:0:0: [sdd] Attached SCSI disk ata7: SATA link up 1.5 Gbps (SStatus 113 SControl 310) ata7.00: ATA-8: SAMSUNG HD501LJ, CR100-12, max UDMA7 ata7.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32) ata7.00: configured for UDMA/100 scsi 6:0:0:0: Direct-Access ATA SAMSUNG HD501LJ CR10 PQ: 0 ANSI: 5 sd 6:0:0:0: [sde] 976773168 512-byte logical blocks: (500 GB/465 GiB) sd 6:0:0:0: [sde] Write Protect is off sd 6:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sde: sde1 sde2 sd 6:0:0:0: [sde] Attached SCSI disk ata8: SATA link up 1.5 Gbps (SStatus 113 SControl 310) ata8.00: ATA-8: SAMSUNG HD501LJ, CR100-12, max UDMA7 ata8.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32) ata8.00: configured for UDMA/100 scsi 7:0:0:0: Direct-Access ATA SAMSUNG HD501LJ CR10 PQ: 0 ANSI: 5 sd 7:0:0:0: [sdf] 976773168 512-byte logical blocks: (500 GB/465 GiB) sd 7:0:0:0: [sdf] Write Protect is off sd 7:0:0:0: [sdf] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA sdf: sdf1 sdf2 sd 7:0:0:0: [sdf] Attached SCSI disk Freeing unused kernel memory: 320k freed matroxfb 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 matroxfb: Matrox G550 detected PInS memtype = 5 matroxfb: MTRR's turned on matroxfb: 1024x768x32bpp (virtual: 1024x4096) matroxfb: framebuffer at 0xF4000000, mapped to 0xf8180000, size 33554432 Console: switching to colour frame buffer device 128x48 fb0: MATROX frame buffer device NET: Registered protocol family 1 usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub Floppy drive(s): fd0 is 1.44M usbcore: registered new device driver usb ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ehci_hcd 0000:00:1d.7: PCI INT D -> GSI 23 (level, low) -> IRQ 23 ehci_hcd 0000:00:1d.7: EHCI Host Controller ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 1 ehci_hcd 0000:00:1d.7: debug port 1 ehci_hcd 0000:00:1d.7: irq 23, io mem 0xfebff800 skge 0000:02:05.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 skge: 1.13 addr 0xfeafc000 irq 22 chip Yukon-Lite rev 9 FDC 0 is a post-1991 82077 skge 0000:02:05.0: eth0: addr 00:13:d4:4f:a2:dc ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00 hub 1-0:1.0: USB hub found hub 1-0:1.0: 4 ports detected uhci_hcd: USB Universal Host Controller Interface driver uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 uhci_hcd 0000:00:1d.0: UHCI Host Controller uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2 firewire_ohci 0000:02:0b.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23 uhci_hcd 0000:00:1d.0: irq 16, io base 0x0000eec0 hub 2-0:1.0: USB hub found hub 2-0:1.0: 2 ports detected uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19 uhci_hcd 0000:00:1d.1: UHCI Host Controller uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3 firewire_ohci: Added fw-ohci device 0000:02:0b.0, OHCI v1.10, 4 IR + 8 IT contexts, quirks 0x2 uhci_hcd 0000:00:1d.1: irq 19, io base 0x0000ef00 hub 3-0:1.0: USB hub found hub 3-0:1.0: 2 ports detected usb 2-1: new low speed USB device number 2 using uhci_hcd firewire_core: created device fw0: GUID 00000000005000d2, S800 input: Fujitsu Siemens Computers Fujitsu Siemens Computers GmbH USB/PS2 Keyboard v1.1 as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input0 generic-usb 0003:08D4:0006.0001: input: USB HID v1.10 Keyboard [Fujitsu Siemens Computers Fujitsu Siemens Computers GmbH USB/PS2 Keyboard v1.1] on usb-0000:00:1d.0-1/input0 input: Fujitsu Siemens Computers Fujitsu Siemens Computers GmbH USB/PS2 Keyboard v1.1 as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.1/input/input1 generic-usb 0003:08D4:0006.0002: input: USB HID v1.10 Device [Fujitsu Siemens Computers Fujitsu Siemens Computers GmbH USB/PS2 Keyboard v1.1] on usb-0000:00:1d.0-1/input1 usbcore: registered new interface driver usbhid usbhid: USB HID core driver Btrfs loaded md: md0 stopped. md: bind md: bind md: bind md: bind md: bind bio: create slab at 1 md/raid1:md0: active with 5 out of 5 mirrors md0: detected capacity change from 0 to 57475072 md0: md: md1 stopped. md: bind md: bind md: bind md: bind md: bind md/raid:md1: device sdc2 operational as raid disk 0 md/raid:md1: device sda2 operational as raid disk 4 md/raid:md1: device sdf2 operational as raid disk 3 md/raid:md1: device sde2 operational as raid disk 2 md/raid:md1: device sdd2 operational as raid disk 1 md/raid:md1: allocated 5258kB md/raid:md1: raid level 5 active with 5 out of 5 devices, algorithm 2 created bitmap (4 pages) for device md1 md1: bitmap initialized from disk: read 1/1 pages, set 0 bits md1: detected capacity change from 0 to 2000189128704 md1: unknown partition table device fsid d64bac2f4cf259ba-326da6041632dd9c devid 1 transid 557 /dev/sdb1 end_request: I/O error, dev fd0, sector 0 EXT3-fs: barriers not enabled kjournald starting. Commit interval 5 seconds EXT3-fs (dm-0): mounted filesystem with writeback data mode udev[1333]: starting version 167 input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input2 ACPI: Power Button [PWRB] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 ACPI: Power Button [PWRF] parport_pc 00:08: reported by Plug and Play ACPI parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE,EPP] intel_rng: FWH not detected Linux agpgart interface v0.103 i801_smbus 0000:00:1f.3: PCI INT B -> GSI 17 (level, low) -> IRQ 17 agpgart-intel 0000:00:00.0: Intel 865 Chipset agpgart-intel 0000:00:00.0: AGP aperture is 64M @ 0xf8000000 Intel ICH 0000:00:1f.5: PCI INT B -> GSI 17 (level, low) -> IRQ 17 intel8x0: white list rate for 1043:80f3 is 48000 Here the mount hangs. It does show /dev/root ... Done but since I use concurrent mounts I think the done is from an earlier task. SysRq : Show Blocked State task PC stack pid father mount D f4cfde00 0 1765 1745 0x00000000 f4c23dd0 00000086 f44aa800 f4cfde00 f44aa500 0000004d f4c23d74 c11a35f9 f4c23d80 f4c23dd0 f4431760 8416416f 00000004 f4431760 00000041 ffffffff 00000001 00000008 00100800 f4431760 00000008 00000000 e8da47f8 00000000 Call Trace: [] ? dm_request+0x8a/0xf6 [] ? mempool_alloc_slab+0xe/0x10 [] io_schedule+0x2b/0x42 [] sleep_on_buffer+0x8/0xc [] __wait_on_bit+0x43/0x60 [] ? __wait_on_buffer+0x27/0x27 [] out_of_line_wait_on_bit+0x56/0x5e [] ? __wait_on_buffer+0x27/0x27 [] ? autoremove_wake_function+0x36/0x36 [] __wait_on_buffer+0x25/0x27 [] __sync_dirty_buffer+0x6b/0x8b [] sync_dirty_buffer+0xd/0xf [] ext3_commit_super.clone.24+0x4b/0xb0 [ext3] [] ? match_token+0xfd/0x1a2 [] ext3_setup_super+0xb4/0x20d [ext3] [] ? parse_options+0x32/0x4b0 [ext3] [] ? __mutex_lock_slowpath+0x124/0x1b2 [] ? mutex_lock+0xb/0x22 [] ext3_remount+0x1df/0x27e [ext3] [] ? ext3_fill_super+0x1843/0x1843 [ext3] [] do_remount_sb+0x7d/0xf6 [] do_mount+0x44f/0x633 [] ? copy_mount_options+0x8d/0xee [] sys_mount+0x66/0x9b [] syscall_call+0x7/0xb Sched Debug Version: v0.10, 2.6.39-rc3+ #2 ktime : 37933.056186 sched_clk : 38008.731563 cpu_clk : 37806.036844 jiffies : 4294901746 sched_clock_stable : 0 sysctl_sched .sysctl_sched_latency : 6.000000 .sysctl_sched_min_granularity : 0.750000 .sysctl_sched_wakeup_granularity : 1.000000 .sysctl_sched_child_runs_first : 0 .sysctl_sched_features : 7279 .sysctl_sched_tunable_scaling : 1 (logaritmic) cpu#0, 1699.419 MHz .nr_running : 0 .load : 0 .nr_switches : 19596 .nr_load_updates : 3167 .nr_uninterruptible : 1 .next_balance : 0.000000 .curr->pid : 0 .clock : 37680.038704 .cpu_load[0] : 0 .cpu_load[1] : 0 .cpu_load[2] : 0 .cpu_load[3] : 4 .cpu_load[4] : 17 .yld_count : 3 .sched_switch : 0 .sched_count : 19620 .sched_goidle : 1555 .ttwu_count : 1 .ttwu_local : 1 .bkl_count : 0 cfs_rq[0]: .exec_clock : 6548.484099 .MIN_vruntime : 0.000001 .min_vruntime : 6269.914000 .max_vruntime : 0.000001 .spread : 0.000000 .spread0 : 0.000000 .nr_spread_over : 0 .nr_running : 0 .load : 0 rt_rq[0]: .rt_nr_running : 0 .rt_throttled : 0 .rt_time : 200.624789 .rt_runtime : 950.000000 runnable tasks: task PID tree-key switches prio exec-runtime sum-exec sum-sleep ---------------------------------------------------------------------------------------------------------- SysRq : Emergency Sync SysRq : Emergency Sync SysRq : Emergency Sync SysRq : Emergency Remount R/O SysRq : Resetting This problem started somewhere between 2.6.38 and 2.6.39-rc1 but due to the fast number of commits bisecting everything would take a long time. I am thinking of only bisecting the block or dm layer but maybe someone has a better idea or a fix already. :) Please tell me if you need additional information about my setup, etc. Kind regards, Michael Guntsche -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/