[Gluster-devel] epoll.c bug
Anand Avati
avati at zresearch.com
Tue Dec 4 07:50:58 UTC 2007
Thierry,
do you still face the issue with the latest TLA? there have been some
changes in the epoll/poll fallback code recently.
thanks,
avati
2007/11/2, Thierry EXCOFFIER <exco at bat710.univ-lyon1.fr>:
>
> Anand Avati wrote:
> > what kernel version are you using? it seems like a misbehaving epoll().
> can
> > you give a log of dmesg?
>
> 2.6.12.6
>
> The 'dmesg' output is attached.
>
> Sincerely yours.
> --
> Thierry.EXCOFFIER@@liris.univ-lyon1.fr// GO: Oriental Strategy Game
> LIRIS/UFR Informatique, bat710 //DYLAN: Programming Language
> Universite Claude Bernard LYON 1 __// UNIX: Standard Operating System
> 43 Bd du 11 novembre 1918 //
> 69622 VILLEURBANNE, FRANCE //WWW: http://www710.univ-lyon1.fr/~exco
>
> Linux version 2.6.12.6-arm1 (root at localhost.localdomain) (gcc version
> 3.4.4 (release) (CodeSourcery ARM 2005q3-2)) #79 Wed Oct 4 13:37:40 JST
> 2006
> CPU: ARM926EJ-Sid(wb) [41069260] revision 0 (ARMv5TEJ)
> CPU0: D VIVT write-back cache
> CPU0: I cache: 32768 bytes, associativity 1, 32 byte lines, 1024 sets
> CPU0: D cache: 32768 bytes, associativity 1, 32 byte lines, 1024 sets
> Machine: MV-88fxx81
> Using UBoot passing parameters structure
> Sys Clk = 200000000, Tclk = 166664740
>
>
> - Warning - This LSP release was tested only with U-Boot release 1.7.3
>
> Memory policy: ECC disabled, Data cache writeback
> On node 0 totalpages: 32768
> DMA zone: 32768 pages, LIFO batch:15
> Normal zone: 0 pages, LIFO batch:1
> HighMem zone: 0 pages, LIFO batch:1
> Built 1 zonelists
> Kernel command line: console=ttyS0,115200 root=/dev/sda2 rw
> initrd=0x00800040,15M panic=5 BOOTVER=1.01
> PID hash table entries: 1024 (order: 10, 16384 bytes)
> Console: colour dummy device 80x30
> Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
> Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
> Memory: 128MB 0MB 0MB 0MB = 128MB total
> Memory: 110592KB available (3066K code, 513K data, 112K init)
> Calibrating delay loop... 266.24 BogoMIPS (lpj=1331200)
> Mount-cache hash table entries: 512
> CPU: Testing write buffer coherency: ok
> checking if image is initramfs...it isn't (no cpio magic); looks like an
> initrd
> Freeing initrd memory: 15360K
> NET: Registered protocol family 16
> FLASH boardId = 12
> Flash bankwidth 1, base ff800000, size 400000
> BUFFALO LS_GL FLASH size 4096[KB]
>
> Marvell Development Board (LSP Version 1.7.8_NAS)-- BUFFALO_BOARD_LS_GL
>
> Detected Tclk 166664740 and SysClk 200000000
> Marvell USB EHCI Host controller #0: c1702b00
> Marvell USB EHCI Host controller #1: c1702bc0
> pexBarOverlapDetect: winNum 2 overlap current 0
> mvPexInit:Warning :Bar 2 size is illigal
> it will be disabled
> please check Pex and CPU windows configuration
> PCI: bus0: Fast back to back transfers enabled
> PCI: bus1: Fast back to back transfers enabled
> SCSI subsystem initialized
> usbcore: registered new driver usbfs
> usbcore: registered new driver hub
> use IDMA acceleration in copy to/from user buffers. used channels 2 and 3
> Done.
> cesadev_init(c0011304)
> mvCesaInit: sessions=640, queue=32, pSram=f0000000
> Fast Floating Point Emulator V0.9 (c) Peter Teichmann.
> SGI XFS with no debug enabled
> Initializing Cryptographic API
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
> ttyS0 at MMIO 0x0 (irq = 3) is a 16550A
> ttyS1 at MMIO 0x0 (irq = 4) is a 16550A
> io scheduler noop registered
> io scheduler anticipatory registered
> io scheduler deadline registered
> io scheduler cfq registered
> RAMDISK driver initialized: 3 RAM disks of 16384K size 1024 blocksize
> loop: loaded (max 8 devices)
> Marvell Gigabit Ethernet Driver 'egiga':
> o Ethernet descriptors in DRAM
> o DRAM SW cache-coherency
> o Checksum offload enabled
> o Loading network interface ** egiga_init_module (0)
> 'eth0'
> Intergrated Sata device found
> scsi0 : Marvell SCSI to SATA adapter
> scsi1 : Marvell SCSI to SATA adapter
> Vendor: Hitachi Model: HDT725050VLA360 Rev: V56O
> Type: Direct-Access ANSI SCSI revision: 03
> SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
> SCSI device sda: drive cache: write back
> SCSI device sda: 976773168 512-byte hdwr sectors (500108 MB)
> SCSI device sda: drive cache: write back
> sda: sda1 sda2 sda4 < sda5 sda6 >
> Attached scsi disk sda at scsi1, channel 0, id 0, lun 0
> Attached scsi generic sg0 at scsi1, channel 0, id 0, lun 0, type 0
> physmap flash device: 400000 at ff800000
> CFI: Found no phys_mapped_flash device at location zero
> >jedec_probe
> Found: SST 39LF020
> phys_mapped_flash: Found 1 x8 devices at 0x0 in 8-bit bank
> phys_mapped_flash: Found an alias at 0x40000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x80000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0xc0000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x100000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x140000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x180000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x1c0000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x200000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x240000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x280000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x2c0000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x300000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x340000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x380000 for the chip at 0x0
> phys_mapped_flash: Found an alias at 0x3c0000 for the chip at 0x0
> number of JEDEC chips: 1
> cfi_cmdset_0002: Disabling erase-suspend-program due to code brokenness.
> cmdlinepart partition parsing not available
> RedBoot partition parsing not available
> ehci_platform ehci_platform.4523: EHCI Host Controller
> ehci_platform ehci_platform.4523: new USB bus registered, assigned bus
> number 1
> ehci_platform ehci_platform.4523: irq 17, io mem 0x00000000
> ehci_platform ehci_platform.4523: park 0
> ehci_platform ehci_platform.4523: USB 0.0 initialized, EHCI 1.00, driver
> 10 Dec 2004
> hub 1-0:1.0: USB hub found
> hub 1-0:1.0: 1 port detected
> ehci_platform ehci_platform.16781: EHCI Host Controller
> ehci_platform ehci_platform.16781: new USB bus registered, assigned bus
> number 2
> ehci_platform ehci_platform.16781: irq 12, io mem 0x00000000
> ehci_platform ehci_platform.16781: park 0
> ehci_platform ehci_platform.16781: USB 0.0 initialized, EHCI 1.00, driver
> 10 Dec 2004
> hub 2-0:1.0: USB hub found
> hub 2-0:1.0: 1 port detected
> ohci_hcd: 2004 Nov 08 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
> USB Universal Host Controller Interface driver v2.2
> Initializing USB Mass Storage driver...
> usbcore: registered new driver usb-storage
> USB Mass Storage support registered.
> mice: PS/2 mouse device common for all mice
> MICON ctrl (C) BUFFALO INC. V.1.00 installed.
> Kernel event proc (C) BUFFALO INC. V.1.00 installed.
> MICON V2 (C) BUFFALO INC. V.1.00 installed.
> NET: Registered protocol family 2
> IP: routing cache hash table of 1024 buckets, 8Kbytes
> TCP established hash table entries: 8192 (order: 4, 65536 bytes)
> TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
> TCP: Hash tables configured (established 8192 bind 8192)
> NET: Registered protocol family 1
> NET: Registered protocol family 17
> RAMDISK: Compressed image found at block 0
> EXT2-fs warning: checktime reached, running e2fsck is recommended
> VFS: Mounted root (ext2 filesystem).
> kjournald starting. Commit interval 5 seconds
> EXT3 FS on sda1, internal journal
> EXT3-fs: mounted filesystem with ordered data mode.
> XFS mounting filesystem sda2
> Ending clean XFS mount for filesystem: sda2
> XFS mounting filesystem sda2
> Ending clean XFS mount for filesystem: sda2
> VFS: Mounted root (xfs filesystem).
> Trying to move old root to /initrd ... failed
> Unmounting old root
> Trying to free ramdisk memory ... okay
> Freeing init memory: 112K
> Adding 136512k swap on /dev/ls_disk1_5. Priority:-1 extents:1
> kjournald starting. Commit interval 5 seconds
> EXT3 FS on sda1, internal journal
> EXT3-fs: mounted filesystem with ordered data mode.
> eth0: link down
> XFS mounting filesystem sda6
> Starting XFS recovery on filesystem: sda6 (dev: sda6)
> eth0: link up<5>, full duplex<5>, speed 100 Mbps<5>
> Ending XFS recovery on filesystem: sda6 (dev: sda6)
> usbcore: registered new driver usblp
> drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
>
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>
--
It always takes longer than you expect, even when you take into account
Hofstadter's Law.
-- Hofstadter's Law
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