Re: sata_vsc problem.... Please help me.

From: David Sims (dpsims_at_virtualdave.com)
Date: 01/25/05

  • Next message: Andreas Gruenbacher: "Re: [patch 12/13] ACL umask handling workaround in nfs client" 
    Date:	Mon, 24 Jan 2005 17:00:18 -0600 (CST)
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>

    On Mon, 24 Jan 2005, Marcelo Tosatti wrote:

    > On Mon, Jan 24, 2005 at 04:09:08PM -0600, David Sims wrote:
    > > Hi,
    > >
    > > With kernel 2.6.10 on Intel (Dell Powervault 745N).... When I insert the
    > > sata_vsc module via 'modprobe sata_vsc' from the command line, the module
    > > immediately recognizes the controller card and then enumerates the
    > > attached disks. During this process I am getting errors logged in syslog
    > > for each disk as follows:
    > >
    > > Jan 24 13:55:37 linux kernel: irq 3: nobody cared!
    > > Jan 24 13:55:37 linux kernel: [<c0128972>] __report_bad_irq+0x22/0x90
    > > Jan 24 13:55:37 linux kernel: [<c0128a68>] note_interrupt+0x58/0x90
    > > Jan 24 13:55:37 linux kernel: [<c01285f8>] __do_IRQ+0xd8/0xe0
    > > Jan 24 13:55:37 linux kernel: [<c0103a7a>] do_IRQ+0x1a/0x30
    > > Jan 24 13:55:37 linux kernel: [<c010254a>] common_interrupt+0x1a/0x20
    > > Jan 24 13:55:37 linux kernel: [<c0114fc0>] __do_softirq+0x30/0x90
    > > Jan 24 13:55:37 linux kernel: [<c0115055>] do_softirq+0x35/0x40
    > > Jan 24 13:55:37 linux kernel: [<c0103a7f>] do_IRQ+0x1f/0x30
    > > Jan 24 13:55:37 linux kernel: [<c010254a>] common_interrupt+0x1a/0x20
    > > Jan 24 13:55:37 linux kernel: [<c0100590>] default_idle+0x0/0x40
    > > Jan 24 13:55:37 linux kernel: [<c01005b4>] default_idle+0x24/0x40
    > > Jan 24 13:55:37 linux kernel: [<c010063e>] cpu_idle+0x2e/0x40
    > > Jan 24 13:55:37 linux kernel: [<c03d277b>] start_kernel+0x15b/0x190
    > > Jan 24 13:55:37 linux kernel: handlers:
    > > Jan 24 13:55:37 linux kernel: [<c02471e0>] (ide_intr+0x0/0x120)
    > > Jan 24 13:55:37 linux kernel: [<c02471e0>] (ide_intr+0x0/0x120)
    > > Jan 24 13:55:37 linux kernel: [<e08ef250>] (vsc_sata_interrupt+0x0/0xa0
    > > [sata_vsc])
    > > Jan 24 13:55:37 linux kernel: Disabling IRQ #3
    > >
    > > and in /proc/interrupts the count for irq3 advances by 500,000 (i.e.,
    > > 100,000 for the controller and 100,000 for each attached disk).....
    > >
    > >
    > > It seems to me that this driver is initializing itself and enabling
    > > interrupts before it is fully loaded and ready to deal with them....
    > >
    > > If I insert the module during the boot up process, the machine just
    > > hangs trying to read/identify the first disk...
    > >
    > > Is there a way to disable or ignore these interrupts until the driver is
    > > fully loaded, the disks are identified and all of the necessary
    > > housekeeping is finished and the driver is finished loading??
    > >
    > > Once the sata_vsc module finishes identifying the attached drives and
    > > the 'modprobe sata_vsc' returns to the command prompt the errors stop
    > > coming and it seems to work just fine.... You can fdisk and format the
    > > disks and all is well... If I could just get it load at boot time I would
    > > be happy....
    > >
    > > Any advice would be welcome at this point. ;)
    >
    >
    > You can use the following to disable the interrupt debugging:
    >
    > Documentation/kernel-parameters.txt:
    >
    > noirqdebug [IA-32] Disables the code which attempts to detect and
    > disable unhandled interrupt sources.
    >
    > But there is definately something wrong with the driver. Jeff?
    >

    Hi,

      With 'noirqdebug' passed to the kernel, then it just hangs while trying
    to talk to the first disk.... much like calling the driver from
    rc.modules....

    Dave

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  • Next message: Andreas Gruenbacher: "Re: [patch 12/13] ACL umask handling workaround in nfs client"

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