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    SubjectRe: 2.6.21-rc4-mm1 + 4 hotfixes -- BUG: unable to handle kernel paging request at virtual address 6b6b6ceb -- EIP is at module_put+0x7/0x1f
    On Thu, 22 Mar 2007 00:29:54 -0700 "Miles Lane" <miles.lane@gmail.com> wrote:

    > kobject 0000:01:06.0: cleaning up
    > kobject firmware: cleaning up
    > BUG: unable to handle kernel paging request at virtual address 6b6b6ceb
    > printing eip:
    > c0137c22
    > *pde = 00000000
    > Oops: 0002 [#1]
    > last sysfs file:
    > devices/pci0000:00/0000:00:1e.0/0000:01:06.0/firmware/0000:01:06.0/loading
    > Modules linked in: intel_rng rng_core ac97_bus snd_pcm_oss
    > snd_mixer_oss mmc_core ipw2200 snd_pcm snd_seq_dummy snd_seq_oss
    > fw_ohci fw_core yenta_socket rsrc_nonstatic pcmcia_core ieee80211
    > ieee80211_crypt snd_seq_midi_event snd_seq snd_timer snd_seq_device
    > iTCO_wdt tifm_7xx1 tifm_core snd psmouse iTCO_vendor_support intel_agp
    > agpgart rtc soundcore shpchp pci_hotplug evdev snd_page_alloc ext3 jbd
    > mbcache sg sr_mod cdrom sd_mod pata_acpi ata_piix ohci1394 ieee1394
    > 8139too mii libata scsi_mod ehci_hcd uhci_hcd usbcore thermal
    > processor fan
    > CPU: 0
    > EIP: 0060:[<c0137c22>] Not tainted VLI
    > EFLAGS: 00010202 (2.6.21-rc4-mm1 #4)
    > EIP is at module_put+0x7/0x1f
    > eax: 6b6b6b6b ebx: c34bea98 ecx: c01618d2 edx: 00000001
    > esi: c3580000 edi: c34ba2fc ebp: c3597f38 esp: c3597f38
    > ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
    > Process firmware_helper (pid: 1895, ti=c3596000 task=c35a40b0 task.ti=c3596000)
    > Stack: c3597f48 c019db66 00000008 c3569548 c3597f70 c0165eee 00000000 00000000
    > c39bc5f8 c1c12118 c3569548 c34ba2fc c3590310 00000000 c3597f80 c0166036
    > c34ba2fc c34ba2fc c3597f98 c0163ac6 c3590334 00000003 c3590310 c3590334
    > Call Trace:
    > [<c0104c22>] show_trace_log_lvl+0x1a/0x2f
    > [<c0104cd2>] show_stack_log_lvl+0x9b/0xaa
    > [<c0104e97>] show_registers+0x1b6/0x288
    > [<c010505d>] die+0xf4/0x209
    > [<c0114b20>] do_page_fault+0x45d/0x529
    > [<c028a10c>] error_code+0x74/0x7c
    > [<c019db66>] release+0x2a/0x37
    > [<c0165eee>] __fput+0xbe/0x168
    > [<c0166036>] fput+0x31/0x35
    > [<c0163ac6>] filp_close+0x54/0x5c
    > [<c0164a97>] sys_close+0x6f/0xa7
    > [<c0103c94>] sysenter_past_esp+0x5d/0x99
    > =======================

    yeah, please try

    ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc4/2.6.21-rc4-mm1/hot-fixes/revert-driver-core-handles-kobject_uevent-failure-while-device_add.patch

    That might make things happier, but I don't see why the original patch
    would cause an oops. So if
    revert-driver-core-handles-kobject_uevent-failure-while-device_add.patch
    fixes the oops then we probably have another bug in there.

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