Re: 2.6.14-rt4 (ide_core / busybox)

From: Paweł Sikora (pluto_at_agmk.net)
Date: 11/02/05

  • Next message: Andy Isaacson: "Re: [RFC] The driver model, I2C and gpio provision on Sharp SL-C1000 (Akita)" 
    To: linux-kernel@vger.kernel.org
Date:	Wed, 2 Nov 2005 20:38:22 +0100

    Hi,

    The 2.6.14-rt4 works fine but debug code prints warnings:

    (...)
    RAMDISK: Compressed image found at block 0
    VFS: Mounted root (romfs filesystem) readonly.
    Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    BUG: nonzero lock count 10 at exit time?
             busybox: 738 [c15e7180, 118]
     [<c010418a>] dump_stack+0x1a/0x20 (20)
     [<c0138902>] check_no_held_locks+0x382/0x390 (36)
     [<c01212ab>] do_exit+0x25b/0x490 (44)
     [<c012150f>] sys_exit+0xf/0x10 (8)
     [<c01032a5>] syscall_call+0x7/0xb (-8116)
    ---------------------------
    | preempt count: 00000000 ]
    | 0-level deep critical section nesting:
    ----------------------------------------

    ------------------------------
    | showing all locks held by: | (busybox/738 [c15e7180, 118]):
    ------------------------------

    #001: [e08429e8] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    #002: [e08434f8] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    #003: [e0844008] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    #004: [e0844b18] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    #005: [e0845628] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    #006: [e0846138] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    #007: [e0846c48] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    #008: [e0847758] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    #009: [e0848268] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    #010: [e0848d78] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]

    BUG: busybox/738, lock held at task exit time!
     [e08429e8] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    BUG: busybox/738, lock held at task exit time!
     [e08434f8] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    BUG: busybox/738, lock held at task exit time!
     [e0844008] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    BUG: busybox/738, lock held at task exit time!
     [e0844b18] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    BUG: busybox/738, lock held at task exit time!
     [e0845628] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    BUG: busybox/738, lock held at task exit time!
     [e0846138] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    BUG: busybox/738, lock held at task exit time!
     [e0846c48] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    BUG: busybox/738, lock held at task exit time!
     [e0847758] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    BUG: busybox/738, lock held at task exit time!
     [e0848268] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    BUG: busybox/738, lock held at task exit time!
     [e0848d78] {(struct semaphore *)(&hwif->gendev_rel_sem)}
    .. held by: busybox: 738 [c15e7180, 118]
    ... acquired at: init_hwif_data+0x8f/0x190 [ide_core]
    VP_IDE: IDE controller at PCI slot 0000:00:07.1
    PCI: Via IRQ fixup for 0000:00:07.1, from 255 to 0
    VP_IDE: chipset revision 16
    VP_IDE: not 100% native mode: will probe irqs later
    VP_IDE: VIA vt82c596b (rev 23) IDE UDMA66 controller on pci0000:00:07.1
        ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:pio
        ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:DMA, hdd:DMA
    Probing IDE interface ide0...
    hda: ST3160023A, ATA DISK drive
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    Probing IDE interface ide1...
    hdc: _NEC DVD_RW ND-3540A, ATAPI CD/DVD-ROM drive
    hdd: TEAC CD-552E, ATAPI CD/DVD-ROM drive
    ide1 at 0x170-0x177,0x376 on irq 15
    JFS: nTxBlock = 4028, nTxLock = 32227
    (...) 

    -- 
The only thing necessary for the triumph of evil
  is for good men to do nothing.
                                           - Edmund Burke
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  • Next message: Andy Isaacson: "Re: [RFC] The driver model, I2C and gpio provision on Sharp SL-C1000 (Akita)"

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