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SubjectOOPS in 2.6.0-test2 with USB flash reader
I have an Imation FlashGO! 2.0 USB 7-in-1 flash reader that
works a few times, then things go bad. I can mount, read from,
write to, and unmount a CF card a few times, but eventually it
quits working.

Here are the modules loaded:

Module Size Used by
sg 32716 0
snd_mixer_oss 19072 1
snd_emu10k1 93828 1
snd_rawmidi 24960 1 snd_emu10k1
snd_pcm 97472 1 snd_emu10k1
snd_timer 25728 1 snd_pcm
snd_seq_device 8068 2 snd_emu10k1,snd_rawmidi
snd_ac97_codec 49924 1 snd_emu10k1
snd_page_alloc 10436 2 snd_emu10k1,snd_pcm
snd_util_mem 4416 1 snd_emu10k1
snd_hwdep 8768 1 snd_emu10k1
snd 50820 9 snd_mixer_oss,snd_emu10k1,snd_rawmidi,snd_pcm,snd_timer,snd_seq_device,snd_ac97_codec,snd_util_mem,snd_hwdep
radeon 119704 30
via_agp 7168 1
agpgart 31336 2 via_agp
sd_mod 13664 2
usb_storage 26624 1
mousedev 8660 1
hid 32768 0
uhci_hcd 31816 0
usbcore 108500 5 usb_storage,hid,uhci_hcd
sr_mod 16288 0
cdrom 35168 1 sr_mod
ide_scsi 16192 0
scsi_mod 106772 5 sg,sd_mod,usb_storage,sr_mod,ide_scsi
8139too 24576 0
mii 5248 1 8139too
crc32 4352 1 8139too
nls_iso8859_1 3968 2
nls_cp437 5632 2
vfat 15872 3
fat 47584 1 vfat
ext3 117672 6
jbd 61528 1 ext3
unix 27276 211

The tail of dmesg:

hub 1-0:0: debounce: port 2: delay 100ms stable 4 status 0x101
hub 1-0:0: new USB device on port 2, assigned address 4
scsi2 : SCSI emulation for USB Mass Storage devices
Vendor: Generic Model: STORAGE DEVICE Rev: 0111
Type: Direct-Access ANSI SCSI revision: 02
SCSI device sda: 31232 512-byte hdwr sectors (16 MB)
sda: Write Protect is off
sda: Mode Sense: 00 06 00 00
SCSI device sda: drive cache: none
sda: sda1
Attached scsi removable disk sda at scsi2, channel 0, id 0, lun 0
WARNING: USB Mass Storage data integrity not assured
USB Mass Storage device found at 4
usb 1-2: USB disconnect, address 4
hub 1-0:0: debounce: port 2: delay 100ms stable 4 status 0x101
hub 1-0:0: new USB device on port 2, assigned address 5
scsi3 : SCSI emulation for USB Mass Storage devices
Vendor: Generic Model: STORAGE DEVICE Rev: 0111
Type: Direct-Access ANSI SCSI revision: 02
Attached scsi removable disk sda at scsi3, channel 0, id 0, lun 0
WARNING: USB Mass Storage data integrity not assured
USB Mass Storage device found at 5
usb 1-2: USB disconnect, address 5
drivers/usb/core/hub.c: USB device not accepting new address (error=-32)
Unable to handle kernel paging request at virtual address 4d554e95
printing eip:
e092d3d4
*pde = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<e092d3d4>] Not tainted
EFLAGS: 00010292
EIP is at scsi_try_host_reset+0x24/0xb0 [scsi_mod]
eax: 4d554e51 ebx: d4f61fa4 ecx: dcac7800 edx: 00000000
esi: d4f61fac edi: df8281c0 ebp: d4f61f50 esp: d4f61f38
ds: 007b es: 007b ss: 0068
Process scsi_eh_3 (pid: 3148, threadinfo=d4f60000 task=dc42f280)
Stack: 00002003 df8281c0 df8281c0 d4f61fa4 d4f61fac d4f61fac d4f61f6c e092d596
df8281c0 00000001 d4f61fa4 d4f61fac dcac7a00 d4f61f8c e092d9b7 d4f61fac
d4f61fa4 d4f61fa4 dcac7a20 d4f60000 00000282 d4f61fc0 e092db00 dcac7a00
Call Trace:
[<e092d596>] scsi_eh_host_reset+0x36/0x90 [scsi_mod]
[<e092d9b7>] scsi_eh_ready_devs+0x57/0x70 [scsi_mod]
[<e092db00>] scsi_unjam_host+0xc0/0xd0 [scsi_mod]
[<e092dbd6>] scsi_error_handler+0xc6/0x110 [scsi_mod]
[<e092db10>] scsi_error_handler+0x0/0x110 [scsi_mod]
[<c0107259>] kernel_thread_helper+0x5/0xc

Code: 8b 40 44 8b 40 2c 85 c0 75 10 b8 03 20 00 00 8b 5d f4 8b 75

What else would be helpful?

Thanks,

Andy Johnson

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