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Message-id: <20061114151211.GA3824@pool-70-109-247-63.wma.east.verizon.net> Date: Tue, 14 Nov 2006 10:12:11 -0500 From: Eric Buddington <ebuddington@...izon.net> To: linux-kernel@...r.kernel.org Subject: 2.6.19-rc5-mm1: failure to start raid0 Under 2.6.19-rc5-mm1, I can't start my raid0 array. I have no such problem under 2.6.18-mm1. It seems to be detecting the disks fine (see dmesg below), but the md device doesn't show up. My 1-disk raid1 array starts fine. When I try 'mdadm --assemble /dev/md1 /dev/hda1 /dev/hdc1', I am surprised by the error: mdadm: cannot open device /dev/hda1: Device or resource busy mdadm: /dev/hda1 has no superblock - assembly aborted This happens even after booting with 'init=/bin/bash', so I know there's nothing else using the drive. dmesg: -------------------------------------------------- [ 72.559233] SIS5513: chipset revision 0 [ 72.559275] SIS5513: not 100% native mode: will probe irqs later [ 72.559332] SIS5513: SiS 962/963 MuTIOL IDE UDMA133 controller [ 72.559392] ide0: BM-DMA at 0x4000-0x4007, BIOS settings: hda:DMA, hdb:DMA [ 72.559515] ide1: BM-DMA at 0x4008-0x400f, BIOS settings: hdc:DMA, hdd:DMA [ 72.559635] Probing IDE interface ide0... [ 72.845775] hda: Maxtor 7L300R0, ATA DISK drive [ 73.125617] hdb: Maxtor 5T040H4, ATA DISK drive [ 73.183213] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 [ 73.183394] Probing IDE interface ide1... [ 73.469425] hdc: Maxtor 6L300R0, ATA DISK drive [ 73.749268] hdd: WDC WD204BB, ATA DISK drive [ 73.807646] ide1 at 0x170-0x177,0x376 on irq 15 [ 73.808878] pnp: the driver 'ide' has been registered [ 73.808988] hda: max request size: 512KiB [ 73.830742] hda: 586114704 sectors (300090 MB) w/16384KiB Cache, CHS=36483/255/63, UDMA(133) [ 73.832460] hda: cache flushes supported [ 73.832547] hda: hda1 [ 73.839034] hdb: max request size: 128KiB [ 73.840922] hdb: 80043264 sectors (40982 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100) [ 73.841095] hdb: cache flushes not supported [ 73.841156] hdb: hdb1 [ 73.847861] hdc: max request size: 512KiB [ 73.869336] hdc: 586114704 sectors (300090 MB) w/16384KiB Cache, CHS=36483/255/63, UDMA(133) [ 73.871032] hdc: cache flushes supported [ 73.871101] hdc: hdc1 [ 73.874723] hdd: max request size: 128KiB [ 73.893301] hdd: 39876480 sectors (20416 MB) w/2048KiB Cache, CHS=39560/16/63, UDMA(100) [ 73.893469] hdd: cache flushes not supported [ 73.893528] hdd: hdd1 [ 73.902434] libata version 2.00 loaded. [ 73.903436] pnp: the driver 'pata_isapnp' has been registered [ 73.904246] pnp: the driver 'i8042 kbd' has been registered [ 73.904288] pnp: match found with the PnP device '00:0c' and the driver 'i8042 kbd' [ 73.904296] pnp: the driver 'i8042 aux' has been registered [ 73.904346] pnp: match found with the PnP device '00:0b' and the driver 'i8042 aux' [ 73.904356] PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12 [ 73.904630] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 73.904709] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 73.904927] mice: PS/2 mouse device common for all mice [ 73.904986] md: linear personality registered for level -1 [ 73.905056] md: raid0 personality registered for level 0 [ 73.905101] md: raid1 personality registered for level 1 [ 73.905147] md: raid10 personality registered for level 10 [ 73.973067] raid6: int32x1 562 MB/s [ 74.040940] raid6: int32x2 631 MB/s [ 74.109002] raid6: int32x4 565 MB/s [ 74.176917] raid6: int32x8 423 MB/s [ 74.244867] raid6: mmxx1 1321 MB/s [ 74.312788] raid6: mmxx2 1698 MB/s [ 74.380777] raid6: sse1x1 1258 MB/s [ 74.448746] raid6: sse1x2 1512 MB/s [ 74.448789] raid6: using algorithm sse1x2 (1512 MB/s) [ 74.448834] md: raid6 personality registered for level 6 [ 74.448879] md: raid5 personality registered for level 5 [ 74.448924] md: raid4 personality registered for level 4 [ 74.448971] raid5: automatically using best checksumming function: pIII_sse [ 74.468695] pIII_sse : 3723.000 MB/sec [ 74.468738] raid5: using function: pIII_sse (3723.000 MB/sec) [ 74.468937] device-mapper: ioctl: 4.10.0-ioctl (2006-09-14) initialised: dm-devel@...hat.com [ 74.469221] EISA: Probing bus 0 at eisa.0 [ 74.469408] NET: Registered protocol family 1 [ 74.469459] NET: Registered protocol family 17 [ 74.469571] NET: Registered protocol family 8 [ 74.469615] NET: Registered protocol family 20 [ 74.469754] Using IPI Shortcut mode [ 74.469878] ACPI: (supports S0 S3 S4 S5) [ 74.472696] Time: acpi_pm clocksource has been installed. [ 74.472766] Clock event device pit disabled [ 74.472823] Clock event device lapic configured with caps set: 08 [ 74.472874] Switched to high resolution mode on CPU 0 [ 74.491123] input: AT Translated Set 2 keyboard as /class/input/input0 [ 74.572823] md: Autodetecting RAID arrays. [ 74.657609] md: invalid raid superblock magic on hdd1 [ 74.657655] md: hdd1 has invalid sb, not importing! [ 74.657711] md: autorun ... [ 74.657752] md: considering hdc1 ... [ 74.657810] md: adding hdc1 ... [ 74.657853] md: hdb1 has different UUID to hdc1 [ 74.657899] md: adding hda1 ... [ 74.657988] md: created md1 [ 74.658030] md: bind<hda1> [ 74.658079] md: bind<hdc1> [ 74.658136] md: running: <hdc1><hda1> [ 74.658275] md1: setting max_sectors to 16384, segment boundary to 4194303 [ 74.658324] raid0: looking at hdc1 [ 74.658365] raid0: comparing hdc1(293044224) with hdc1(293044224) [ 74.658439] raid0: END [ 74.658478] raid0: ==> UNIQUE [ 74.658518] raid0: 1 zones [ 74.658559] raid0: looking at hda1 [ 74.658600] raid0: comparing hda1(293044224) with hdc1(293044224) [ 74.658674] raid0: EQUAL [ 74.658713] raid0: FINAL 1 zones [ 74.658756] raid0: done. [ 74.658796] raid0 : md_size is 586088448 blocks. [ 74.658839] raid0 : conf->hash_spacing is 586088448 blocks. [ 74.658884] raid0 : nb_zone is 1. [ 74.658924] raid0 : Allocating 4 bytes for hash. [ 74.659001] md: considering hdb1 ... [ 74.659047] md: adding hdb1 ... [ 74.659135] md: created md2 [ 74.659176] md: bind<hdb1> [ 74.659224] md: running: <hdb1> [ 74.659433] raid1: raid set md2 active with 1 out of 1 mirrors [ 74.675896] md2: bitmap initialized from disk: read 10/10 pages, set 79 bits, status: 0 [ 74.675956] created bitmap (153 pages) for device md2 [ 74.676296] md: ... autorun DONE. [ 74.677038] ReiserFS: md2: found reiserfs format "3.6" with standard journal [ 74.677100] ReiserFS: md2: using ordered data mode [ 74.705180] ReiserFS: md2: journal params: device md2, size 8192, journal first block 18, max trans len 1024, max batch 90 0, max commit age 30, max trans age 30 [ 74.707376] ReiserFS: md2: checking transaction log (md2) [ 85.954868] ReiserFS: md2: replayed 268 transactions in 11 seconds [ 85.962564] ReiserFS: md2: Using r5 hash to sort names [ 85.962777] VFS: Mounted root (reiserfs filesystem) readonly. [ 85.963358] Freeing unused kernel memory: 276k freed - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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