2.4.20/2.4.21-pre3 usb Oops

Hello!

I've got ide disk connected as usb-storage device.

Oops is reproductable (output from ksymoops below). I had to copy it from screen (I hope effects are reliable).

How I reproduced it:
--------------------
I loaded usb-storage (which loaded sd_mod), then sg, made copy of /proc/ksyms then tried to fdisk /dev/sda.

System:
-------

I've got 2.4.20 with preempt, but effect is similar while running 2.4.21-pre3. I'm quite sure I could use it with 2.4.17/18.

While I was composing this message and tried to disconnect mentioned device system froze.

config: http://zeus.polsl.gliwice.pl/~jfk/kernel/2.4/config-2.4.20+p.gz
dmesg: http://zeus.polsl.gliwice.pl/~jfk/kernel/dmesg.gz

Logs (not 'directly' oops related)
----------------------------------
/etc/hotplug/usb.agent: Setup usb-storage for USB product 55aa/103/904 SCSI subsystem driver Revision: 1.00
Initializing USB Mass Storage driver...
usb.c: registered new driver usb-storage
usb-uhci.c: interrupt, status 3, frame# 245 usb_control/bulk_msg: timeout
scsi0 : SCSI emulation for USB Mass Storage devices
Vendor: Model: Rev:
Type: Direct-Access ANSI SCSI revision: 02
WARNING: USB Mass Storage data integrity not assured
USB Mass Storage device found at 2
USB Mass Storage support registered.

----------------------------------
<Output from ksymoops:>

ksymoops 2.4.8 on i686 2.4.20+p. Options used
-V (default)
-k ./ksyms (specified)
-l /proc/modules (default)
-o /lib/modules/2.4.20+p (specified)
-m /boot/System.map-2.4.20+p (specified)

Warning (compare_ksyms_lsmod): module input is in lsmod but not in ksyms, probably no symbols exported Warning (compare_ksyms_lsmod): module snd-mixer-oss is in lsmod but not in ksyms, probably no symbols exported Warning (compare_ksyms_lsmod): module snd-pcm-oss is in lsmod but not in ksyms, probably no symbols exported Error (compare_ksyms_lsmod): module sg is in ksyms but not in lsmod

Oops: 0000d
CPU: 0 <EIP: 0010:[<c012e548>] Not tainted

EFLAGS: 00010002
eax: 01e27c98 ebx: 6f732e78 ecx: 00000000 edx: c100001c
esi: 00000000 edi: 00000206 ebp: 00000000 esp: c8a03e84
ds: 0018 es: 0018 ss: 0018
Process usb.agent (pid 1560 stackpage=c8a03000)

Stack:    cfd54980 00000000 cff2ada0 00000000 c01b8b07 6f732e78 cff24800 00000000
          cff2ada0 00000000 00000000 d081e159 00000001 cfd54980 c01b7eec cff24800
          cff24800 00000000 d081eadf cff24800 c12e587c c12e5860 00000000 00000000
Call Trace: [<c01b8b07>] [<d081e159>] [<c01b7eec>] [<d081eadf>] [<d081ebca>] [<c010811d>] [<c0108311>] [<c0121274>] [<c0106d7b>] 
Code: 2b 59 0c 89 d8 31 d2 f7 76 18 89 c3 8b 41 14 89 44 99 18 89

Using defaults from ksymoops -t elf32-i386 -a i386

Trace; c01b8b07 <usb_destroy_configuration+163/1b4> Trace; d081e159 <[usb-uhci]uhci_free_dev+2d/34> Trace; c01b7eec <usb_free_dev+24/3c>
Trace; d081eadf <[usb-uhci]process_urb+243/254> Trace; d081ebca <[usb-uhci]uhci_interrupt+da/154> Trace; c010811d <handle_IRQ_event+31/5c> Trace; c0108311 <do_IRQ+b9/118>
Trace; c0121274 <sys_rt_sigprocmask+1f0/234> Trace; c0106d7b <system_call+33/38>

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 2b 59 0c sub 0xc(%ecx),%ebx
Code; 00000003 Before first symbol
3: 89 d8 mov %ebx,%eax
Code; 00000005 Before first symbol
5: 31 d2 xor %edx,%edx
Code; 00000007 Before first symbol
7: f7 76 18 divl 0x18(%esi)
Code; 0000000a Before first symbol
a: 89 c3 mov %eax,%ebx
Code; 0000000c Before first symbol
c: 8b 41 14 mov 0x14(%ecx),%eax
Code; 0000000f Before first symbol
f: 89 44 99 18 mov %eax,0x18(%ecx,%ebx,4)
Code; 00000013 Before first symbol
13: 89 00 mov %eax,(%eax)

<0> Kernel panic: Aiee, killing interrupt handler!

3 warnings and 1 error issued. Results may not be reliable.

Jacek

Jacek Kawa

I wrote:

[...]

                 ^^

I've checked 2.4.18 and 2.4.19 and oops 'is still there'. I cannot boot 2.4.17 to verify.

[...]

bye

Jacek Kawa

Can you switch UHCI drivers and see if the problem is still there?

thanks,

greg k-h

Hello!

It's better (no oops anyway). I'm not sure if problem it's still usb-related now (?).

BTW. I booted to 2.5.58 (CONFIG_USB_UHCI_HCD=m)
and there was no oops, but fdisk fell in 'D' state. I can try to extract something more from logs if it could be helpful.

2.4.20, uhci:
-------------
Initializing USB Mass Storage driver...
usb.c: registered new driver usb-storage
scsi0 : SCSI emulation for USB Mass Storage devices
Vendor: Model: Rev:
Type: Direct-Access ANSI SCSI revision: 02
WARNING: USB Mass Storage data integrity not assured USB Mass Storage device found at 2
usb.c: usb-storage driver claimed interface ce462700 USB Mass Storage support registered.
Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0 SCSI device sda: 80043265 512-byte hdwr sectors (40982 MB)
sda: Write Protect is off
sda: sda1 sda2 sda3 sda4

after fdisk /dev/sda
--------------------
hub.c: port 1, portstatus 103, change 0, 12 Mb/s
usb.c: ignoring set_interface for dev 2, iface 0, alt 0
scsi: device set offline - not ready or command retry failed after bus reset: host 0 channel 0 id 0 lun 0
I/O error: dev 08:00, sector 0

bye

PS

Jacek Kawa