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    SubjectRe: 2.6.30-rc1: OOPS on usb disk insert
    Rafael J. Wysocki wrote:
    > On Wednesday 08 April 2009, Justin Madru wrote:
    >
    >> Hello,
    >>
    >
    > Hi,
    >
    >
    >> Testing out .30-rc1 and usb devises don't work. I insert my flash disk
    >> and get this oops.
    >> More information (dmesg, config, etc.) at
    >> http://jdserver.homelinux.org/bugreports/003/
    >>
    >
    > I suppose this has been fixed in -rc2 or current git. Have you tried
    > after -rc1?
    >
    >
    >> usb 5-3: new high speed USB device using ehci_hcd and address 2
    >> usb 5-3: configuration #1 chosen from 1 choice
    >> Initializing USB Mass Storage driver...
    >> scsi2 : SCSI emulation for USB Mass Storage devices
    >> usb-storage: device found at 2
    >> usb-storage: waiting for device to settle before scanning
    >> usbcore: registered new interface driver usb-storage
    >> USB Mass Storage support registered.
    >> usb-storage: device scan complete
    >> scsi 2:0:0:0: Direct-Access SanDisk Cruzer Micro 8.01 PQ: 0
    >> ANSI: 0 CCS
    >> BUG: unable to handle kernel NULL pointer dereference at (null)
    >> IP: [<(null)>] (null)
    >> *pde = 00000000
    >> Oops: 0000 [#2] PREEMPT SMP
    >> last sysfs file:
    >> /sys/devices/pci0000:00/0000:00:1e.0/0000:03:00.0/ssb0:0/net/eth0/statistics/collisions
    >> Modules linked in: usb_storage i915 cfbcopyarea cfbimgblt cfbfillrect
    >> binfmt_misc acpi_cpufreq container sbs cpufreq_powersave pci_slot
    >> cpufreq_stats cpufreq_userspace sbshc cpufreq_conservative ext3 jbd
    >> mbcache firewire_sbp2 ecb cryptomgr aead pcompress crypto_blkcipher
    >> crypto_hash crypto_algapi dell_laptop snd_hda_codec_idt evdev iwl3945
    >> iwlcore rfkill sdhci_pci dcdbas video backlight rtc_cmos snd_hda_intel
    >> fb output sdhci rtc_core rtc_lib mac80211 snd_hda_codec snd_hwdep
    >> snd_pcm_oss snd_mixer_oss mmc_core psmouse snd_pcm battery ac button
    >> processor intel_agp snd_page_alloc reiserfs crc32 sr_mod cdrom sg
    >> firewire_ohci firewire_core crc_itu_t ata_piix ehci_hcd uhci_hcd usbcore
    >> thermal fan
    >>
    >> Pid: 5579, comm: scsi_scan_2 Tainted: G D (2.6.30-rc1-git #1)
    >> MM061
    >> EIP: 0060:[<00000000>] EFLAGS: 00010046 CPU: 0
    >> EIP is at 0x0
    >> EAX: f7117fb0 EBX: f7117fb0 ECX: 00000000 EDX: 00000003
    >> ESI: b8023874 EDI: 00000000 EBP: e4432dd4 ESP: e4432dac
    >> DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
    >> Process scsi_scan_2 (pid: 5579, ti=e4432000 task=ee7b3bb0 task.ti=e4432000)
    >> Stack:
    >> c012a8af 00000000 00000001 00000003 c04f22d8 00000282 c04f22dc 00000005
    >> 00000000 ee42ea20 e4432e00 c015e8b9 00000000 c0240d8d c04f22f8 f6527b00
    >> c02ff2d0 00000080 ffffffff f6527b00 e445c60e e4432e08 c015e93d e4432e44
    >> Call Trace:
    >> [<c012a8af>] ? __wake_up+0x4f/0x80
    >> [<c015e8b9>] ? __async_schedule+0x139/0x1a0
    >> [<c0240d8d>] ? ida_pre_get+0x11d/0x150
    >> [<c02ff2d0>] ? sd_probe_async+0x0/0x270
    >> [<c015e93d>] ? async_schedule+0xd/0x10
    >> [<c02ff748>] ? sd_probe+0x208/0x2a0
    >> [<c02e6df6>] ? really_probe+0x156/0x220
    >> [<c02e6fbc>] ? __device_attach+0x4c/0x60
    >> [<c02e5b0b>] ? bus_for_each_drv+0x5b/0x80
    >> [<c02e6c7b>] ? device_attach+0xeb/0x110
    >> [<c02e6f70>] ? __device_attach+0x0/0x60
    >> [<c02e5a7f>] ? bus_attach_device+0x3f/0x70
    >> [<c02e442e>] ? device_add+0x65e/0x830
    >> [<c02ea8e0>] ? transport_configure+0x0/0x30
    >> [<c02fb3b2>] ? scsi_sysfs_add_sdev+0x62/0x2a0
    >> [<c0241592>] ? kobject_get+0x12/0x20
    >> [<c02f779d>] ? scsi_finish_async_scan+0x11d/0x160
    >> [<c02f9920>] ? do_scan_async+0x0/0x90
    >> [<c02f9978>] ? do_scan_async+0x58/0x90
    >> [<c02f9920>] ? do_scan_async+0x0/0x90
    >> [<c015558c>] ? kthread+0x3c/0x70
    >> [<c0155550>] ? kthread+0x0/0x70
    >> [<c0103f5f>] ? kernel_thread_helper+0x7/0x18
    >> Code: Bad EIP value.
    >> EIP: [<00000000>] 0x0 SS:ESP 0068:e4432dac
    >> CR2: 0000000000000000
    >> ---[ end trace fefef3dd1f6b4bd0 ]---
    >> note: scsi_scan_2[5579] exited with preempt_count 1
    >>
    >
    > Rafael
    >
    >
    Yes, this has been fixed -- close the bug.
    I'm currently running .30-rc2 and all is well (except for #13067).

    Justin Madru


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