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    SubjectRe: ide_wait_not_busy oops still with 2.6.14-rc3 (Re: 1GHz pbook 15", linux 2.6.14-rc2 oops on resume)
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    On Thu, 2005-10-06 at 21:19 +0200, Soeren Sonnenburg wrote:
    > On Mon, 03 Oct 2005 07:12:24 +0000, Soeren Sonnenburg wrote:
    >
    > > Hi all,
    > >
    > > when a dvd featuring some iso content is in the dvd-drive and the
    > > machine is put to sleep mode, it will give the following oops on resume.
    > > It is working without problems if no media is in the drive.
    > > Voluntary preemption is ON.
    > > Find below the dmesg output when a dvd is in the drive.
    >
    > now it is:
    >
    > GPR00: 00000080 EDEF5C00 EF894780 00079C96 000088B8 00000000 00000000 C05A8A50
    > GPR08: C05A8538 EDEF5CC8 00100000 00140040 22004222
    > NIP [c0006fcc] __delay+0xc/0x14
    > LR [c02bc32c] ide_wait_not_busy+0x4c/0xc0
    > Call trace:
    > [c02ba670] ide_do_request+0x5b0/0x990
    > [c02bab10] ide_do_drive_cmd+0xc0/0x190
    > [c02b72d0] generic_ide_resume+0x80/0xa0
    > [c0294260] resume_device+0x70/0x150
    > [c0294510] dpm_resume+0x100/0x1a0
    > [c02945ec] device_resume+0x3c/0xa0
    > [c05438cc] pmac_wakeup_devices+0xbc/0xe0
    > [c0544adc] pmu_ioctl+0x58c/0x9b0
    > [c008e344] do_ioctl+0x84/0x90
    > [c008e3dc] vfs_ioctl+0x8c/0x450
    > [c008e834] sys_ioctl+0x94/0xb0
    > [c0004820] ret_from_syscall+0x0/0x44

    You haven't put the complete oops, what is the trap number ? Does it
    help adding a delay in the wakeup code in drivers/ide/ppc/pmac.c ? Also,
    is the problem present without preempt ?

    Ben.

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