Re: Breakage with "usb-storage: catch bad commands"

Matthew Dharm (mdharm-kernel@one-eyed-alien.net)
Tue, 16 Jul 2002 10:35:04 -0700


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Can you recompile with the verbose debugging turned on so we can see which
command caused the problem?

Matt

On Tue, Jul 16, 2002 at 04:07:22PM +0200, Stelian Pop wrote:
> Hi,
>=20
> Using the linux 2.5 BK head, I get an oops, just after:
> Initializing USB Mass Storage driver...
> usb.c: registered new driver usb-storage
> scsi0 : SCSI emulation for USB Mass Storage devices
> Vendor: Sony Model: MSC-U01N Rev: 1.00
> Type: Direct-Access ANSI SCSI revision: 02
>=20
> Just FYI, since the driver (probably more likely the SCSI layer)
> stopped working some (2-3) kernel releases ago...
>=20
> Thanks,
>=20
> Stelian.
>=20
> ksymoops 2.4.4 on i586 2.5.25. Options used
> -V (default)
> -k /proc/ksyms (default)
> -l /proc/modules (default)
> -o /lib/modules/2.5.25/ (default)
> -m /boot/System.map-2.5.25 (default)
>=20
> Warning: You did not tell me where to find symbol information. I will
> assume that the log matches the kernel and modules that are running
> right now and I'll use the default options above for symbol resolution.
> If the current kernel and/or modules do not match the log, you can get
> more accurate output by telling me the kernel version and where to find
> map, modules, ksyms etc. ksymoops -h explains the options.
>=20
> kernel BUG at transport.c:351!
> invalid operand: 0000
> CPU: 0
> EIP: 0010:[<c78ed363>] Not tainted
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00010293
> eax: 000000ff ebx: c137be00 ecx: c78efc20 edx: 00000024
> esi: ffffffff edi: 00000000 ebp: c137be00 esp: c4ebdf34
> ds: 0018 es: 0018 ss: 0018
> Stack: c137b800 c137be00 c137b800 c78edd1c c137be00 c137b800 00000000 c78=
ed7b5=20
> c137be00 c137b800 00000000 c5650580 00000246 00000000 00000001 c56=
50580=20
> c01128e1 c137be00 00000000 c137b800 c137b800 c78ed0ce c137be00 c13=
7b800=20
> Call Trace: [<c78edd1c>] [<c78ed7b5>] [<c01128e1>] [<c78ed0ce>] [<c78f126=
c>]=20
> [<c78ee74a>] [<c01122f0>] [<c0108519>] [<c78ee447>] [<c0106ea6>] [<c78=
ee447>]=20
> [<c78f126c>]=20
> Code: 0f 0b 5f 01 c4 02 8f c7 5b 89 d0 5e 5f c3 8b 44 24 04 8b 40=20
>=20
> >>EIP; c78ed363 <[usb-storage]usb_stor_transfer_length+16b/179> <=3D=3D=
=3D=3D=3D
> Trace; c78edd1c <[usb-storage]usb_stor_CB_transport+8c/b9>
> Trace; c78ed7b5 <[usb-storage]usb_stor_invoke_transport+1b/239>
> Trace; c01128e1 <default_wake_function+0/36>
> Trace; c78ed0ce <[usb-storage]usb_stor_ufi_command+10a/132>
> Trace; c78f126c <[usb-storage]usb_stor_sense_notready+0/14>
> Trace; c78ee74a <[usb-storage]usb_stor_control_thread+303/3aa>
> Trace; c01122f0 <schedule_tail+1a/1d>
> Trace; c0108519 <ret_from_fork+5/14>
> Trace; c78ee447 <[usb-storage]usb_stor_control_thread+0/3aa>
> Trace; c0106ea6 <kernel_thread+26/30>
> Trace; c78ee447 <[usb-storage]usb_stor_control_thread+0/3aa>
> Trace; c78f126c <[usb-storage]usb_stor_sense_notready+0/14>
> Code; c78ed363 <[usb-storage]usb_stor_transfer_length+16b/179>
> 00000000 <_EIP>:
> Code; c78ed363 <[usb-storage]usb_stor_transfer_length+16b/179> <=3D=3D=
=3D=3D=3D
> 0: 0f 0b ud2a <=3D=3D=3D=3D=3D
> Code; c78ed365 <[usb-storage]usb_stor_transfer_length+16d/179>
> 2: 5f pop %edi
> Code; c78ed366 <[usb-storage]usb_stor_transfer_length+16e/179>
> 3: 01 c4 add %eax,%esp
> Code; c78ed368 <[usb-storage]usb_stor_transfer_length+170/179>
> 5: 02 8f c7 5b 89 d0 add 0xd0895bc7(%edi),%cl
> Code; c78ed36e <[usb-storage]usb_stor_transfer_length+176/179>
> b: 5e pop %esi
> Code; c78ed36f <[usb-storage]usb_stor_transfer_length+177/179>
> c: 5f pop %edi
> Code; c78ed370 <[usb-storage]usb_stor_transfer_length+178/179>
> d: c3 ret =20
> Code; c78ed371 <[usb-storage]usb_stor_blocking_completion+0/c>
> e: 8b 44 24 04 mov 0x4(%esp,1),%eax
> Code; c78ed375 <[usb-storage]usb_stor_blocking_completion+4/c>
> 12: 8b 40 00 mov 0x0(%eax),%eax
>=20
> kernel BUG at scsiglue.c:150!
> invalid operand: 0000
> CPU: 0
> EIP: 0010:[<c78ec18f>] Not tainted
> EFLAGS: 00010002
> eax: 00000003 ebx: 00000001 ecx: c137be00 edx: c137b800
> esi: 00000292 edi: c137be00 ebp: c4efff28 esp: c4effef4
> ds: 0018 es: 0018 ss: 0018
> Stack: c4efe000 c788356b c137be00 c788303e c137ba00 00000000 00000000 000=
00000=20
> c4efff34 c4efff34 43434700 00000086 c0256e90 00000000 00000000 000=
00000=20
> c4efff34 c4efff34 00000246 c4efff58 c4efe000 c137be00 c137be58 000=
00000=20
> Call Trace: [<c788356b>] [<c788303e>] [<c7883398>] [<c7883f02>] [<c78ec06=
6>]=20
> [<c78846aa>] [<c0108519>] [<c78ec066>] [<c0106ea6>] [<c788454a>]=20
> Code: 0f 0b 96 00 c8 01 8f c7 8b 44 24 0c 89 81 00 01 00 00 89 8a=20
>=20
> >>EIP; c78ec18f <[usb-storage]queuecommand+32/60> <=3D=3D=3D=3D=3D
> Trace; c788356b <[scsi_mod]scsi_send_eh_cmnd+ac/1e0>
> Trace; c788303e <[scsi_mod]scsi_eh_done+0/6c>
> Trace; c7883398 <[scsi_mod]scsi_test_unit_ready+85/10b>
> Trace; c7883f02 <[scsi_mod]scsi_unjam_host+31f/967>
> Trace; c78ec066 <[usb-storage]detect+0/28>
> Trace; c78846aa <[scsi_mod]scsi_error_handler+160/1b2>
> Trace; c0108519 <ret_from_fork+5/14>
> Trace; c78ec066 <[usb-storage]detect+0/28>
> Trace; c0106ea6 <kernel_thread+26/30>
> Trace; c788454a <[scsi_mod]scsi_error_handler+0/1b2>
> Code; c78ec18f <[usb-storage]queuecommand+32/60>
> 00000000 <_EIP>:
> Code; c78ec18f <[usb-storage]queuecommand+32/60> <=3D=3D=3D=3D=3D
> 0: 0f 0b ud2a <=3D=3D=3D=3D=3D
> Code; c78ec191 <[usb-storage]queuecommand+34/60>
> 2: 96 xchg %eax,%esi
> Code; c78ec192 <[usb-storage]queuecommand+35/60>
> 3: 00 c8 add %cl,%al
> Code; c78ec194 <[usb-storage]queuecommand+37/60>
> 5: 01 8f c7 8b 44 24 add %ecx,0x24448bc7(%edi)
> Code; c78ec19a <[usb-storage]queuecommand+3d/60>
> b: 0c 89 or $0x89,%al
> Code; c78ec19c <[usb-storage]queuecommand+3f/60>
> d: 81 00 01 00 00 89 addl $0x89000001,(%eax)
> Code; c78ec1a2 <[usb-storage]queuecommand+45/60>
> 13: 8a 00 mov (%eax),%al
>=20
>=20
> 1 warning issued. Results may not be reliable.
> --=20
> Stelian Pop <stelian.pop@fr.alcove.com>
> Alcove - http://www.alcove.com

--=20
Matthew Dharm Home: mdharm-usb@one-eyed-alien.=
net=20
Maintainer, Linux USB Mass Storage Driver

God, root, what is difference?
-- Pitr
User Friendly, 11/11/1999

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