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SubjectRe: Updated Linux 2.4 Status/TODO List (from the ALS show)
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Greg KH wrote:
<blockquote TYPE=CITE>On Thu, Oct 12, 2000 at 08:06:46AM -0400,
<br>>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; * USB: booting with USB compiled into
kernel causes a lot of syslog
<br>>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; entries as the root hubs
are probed by all drivers (this is
<br>>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; especially obnoxious as
the usb-serial drivers start up)
<br>Fixed in test9.&nbsp; If anyone still sees this, please let me know.
<p>>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; * USB: fix setting urb->dev in printer,
acm, bluetooth, all serial
<br>>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; drivers (Greg KH) {CRITICAL}
<br>Fixed in test10-pre1.
<p>>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; * USB: fix usb-uhci setting urb->dev
= NULL at correct places only
<br>>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {CRITICAL}
<br>Fixed in test10-pre1.
<p>greg k-h
<br><a href=""></a>
<br><a href=""></a>&nbsp;</blockquote>
USB still have problems, when starting to grab with my ov511 webcam i got
the attached oops. This bug appeared
<br>in test9-preX(X&nbsp;beeing at least > 2) series. Some people have
claimed that test10-pre1 fixed the problem, but
<br>the bug is still present in the last two pre(test10-pre1 and test10-pre2).
<br>To be noted:
<br>-this oops is obtained with "Enforce USB bandwidth allocation", but
it occurs in the same place when disabled
<br>-I'm using usb-uhci
<br>-the attached oops is truncated as each following schedule call produce
a new oops
% FORT David,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %
% 7 avenue de la morvandi&egrave;re&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0240726275 %
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% ICU:78064991&nbsp;&nbsp; AIM: enlighted popo&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %
%&nbsp; -datamining &lt;-/&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp;&nbsp; .~.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %
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%&nbsp; -GNOME/enlightenment/GIMP&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | /(&nbsp;&nbsp; )\&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %
%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; feel enlighted....&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; |&nbsp; ^^-^^&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %
%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <A HREF=""></A> when connected %
ksymoops 2.3.4 on i686 2.4.0-test10. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.0-test10/ (default)
-m /usr/src/linux/ (default)

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.

Unable to handle kernel NULL pointer dereference at virtual address 000000a0
*pde = 00000000
Oops: 0000
CPU: 1
EIP: 0010:[<c8c7365d>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00013246
eax: 00000000 ebx: c6e26480 ecx: 00000000 edx: 00000028
esi: c6e26480 edi: c2bb8d9c ebp: 00000000 esp: c0d05f28
ds: 0018 es: 0018 ss: 0018
Process X (pid: 974, stackpage=c0d05000)
Stack: c1b236a8 c8c84814 00000000 c6e26480 00000001 c1b236a8 c2bb8d80 c2bb8d9c
00000001 00000000 00000000 c8c849bf c2bb8d80 c6e26488 c2fc4b60 04000001
00000020 0000000a c0020020 c010be71 0000000a c2bb8d80 c0d05fc4 c0282740
Call Trace: [<c8c84814>] [<c8c849bf>] [<c010be71>] [<c010c056>] [<c010a7c0>]
Code: 8b 91 a0 00 00 00 8b 43 30 29 42 28 83 7c 24 10 00 74 10 8b

>>EIP; c8c7365d <[usbcore]usb_release_bandwidth+9/60> <=====
Trace; c8c84814 <[usb-uhci]process_urb+d4/1f0>
Trace; c8c849bf <[usb-uhci]uhci_interrupt+8f/e8>
Trace; c010be71 <handle_IRQ_event+4d/78>
Trace; c010c056 <do_IRQ+a6/f4>
Trace; c010a7c0 <ret_from_intr+0/20>
Code; c8c7365d <[usbcore]usb_release_bandwidth+9/60>
00000000 <_EIP>:
Code; c8c7365d <[usbcore]usb_release_bandwidth+9/60> <=====
0: 8b 91 a0 00 00 00 mov 0xa0(%ecx),%edx <=====
Code; c8c73663 <[usbcore]usb_release_bandwidth+f/60>
6: 8b 43 30 mov 0x30(%ebx),%eax
Code; c8c73666 <[usbcore]usb_release_bandwidth+12/60>
9: 29 42 28 sub %eax,0x28(%edx)
Code; c8c73669 <[usbcore]usb_release_bandwidth+15/60>
c: 83 7c 24 10 00 cmpl $0x0,0x10(%esp,1)
Code; c8c7366e <[usbcore]usb_release_bandwidth+1a/60>
11: 74 10 je 23 <_EIP+0x23> c8c73680 <[usbcore]usb_release_bandwidth+2c/60>
Code; c8c73670 <[usbcore]usb_release_bandwidth+1c/60>
13: 8b 00 mov (%eax),%eax

Aiee, killing interrupt handler
invalid operand: 0000
CPU: 1
EIP: 0010:[<c0116889>]
EFLAGS: 00013282
eax: 0000001b ebx: 00000000 ecx: 0000001b edx: c021a8e8
esi: c5bce9e0 edi: c0d04000 ebp: c0d05cec esp: c0d05cac
ds: 0018 es: 0018 ss: 0018
Process X (pid: 974, stackpage=c0d05000)
Stack: c01e6e45 c01e7016 000002b8 00000000 c5bce9e0 c0d04000 00003286 c5bce9e0
c0d04000 c5bcea28 c0185373 c12b9e60 00000000 00000001 c0d04000 00000000
c5bcea28 c0131bd9 c13dc080 c13dfc00 00000000 00000000 c0d05d08 01234567
Call Trace: [<c01e6e45>] [<c01e7016>] [<c0185373>] [<c0131bd9>] [<c0132bf9>] [<c014eb64>] [<c014ed35>]
[<c014ee67>] [<c010a8b6>] [<c0150bbd>] [<c014fca8>] [<c0131901>] [<c0130892>] [<c011b0cb>] [<c011b89c>]
[<c010abf2>] [<c01127a7>] [<c01e661e>] [<c0112470>] [<c010a830>] [<c8c7365d>] [<c8c84814>] [<c8c849bf>]
[<c010be71>] [<c010c056>] [<c010a7c0>]
Code: 0f 0b 90 8d 74 26 00 8d 65 cc 5b 5e 5f 89 ec 5d c3 89 f6 55

>>EIP; c0116889 <schedule+611/624> <=====
Trace; c01e6e45 <call_spurious_interrupt+5925/7a88>
Trace; c01e7016 <call_spurious_interrupt+5af6/7a88>
Trace; c0185373 <do_ide_request+f/14>
Trace; c0131bd9 <__wait_on_buffer+b9/e0>
Trace; c0132bf9 <bread+45/64>
Trace; c014eb64 <read_block_bitmap+38/84>
Trace; c014ed35 <__load_block_bitmap+185/198>
Trace; c014ee67 <ext2_free_blocks+11f/2a8>
Trace; c010a8b6 <nmi+1e/30>
Trace; c0150bbd <ext2_discard_prealloc+59/94>
Trace; c014fca8 <ext2_release_file+14/1c>
Trace; c0131901 <fput+39/e8>
Trace; c0130892 <filp_close+b2/bc>
Trace; c011b0cb <put_files_struct+4f/b8>
Trace; c011b89c <do_exit+130/284>
Trace; c010abf2 <die+56/58>
Trace; c01127a7 <do_page_fault+337/410>
Trace; c01e661e <call_spurious_interrupt+50fe/7a88>
Trace; c0112470 <do_page_fault+0/410>
Trace; c010a830 <error_code+34/3c>
Trace; c8c7365d <[usbcore]usb_release_bandwidth+9/60>
Trace; c8c84814 <[usb-uhci]process_urb+d4/1f0>
Trace; c8c849bf <[usb-uhci]uhci_interrupt+8f/e8>
Trace; c010be71 <handle_IRQ_event+4d/78>
Trace; c010c056 <do_IRQ+a6/f4>
Trace; c010a7c0 <ret_from_intr+0/20>
Code; c0116889 <schedule+611/624>
00000000 <_EIP>:
Code; c0116889 <schedule+611/624> <=====
0: 0f 0b ud2a <=====
Code; c011688b <schedule+613/624>
2: 90 nop
Code; c011688c <schedule+614/624>
3: 8d 74 26 00 lea 0x0(%esi,1),%esi
Code; c0116890 <schedule+618/624>
7: 8d 65 cc lea 0xffffffcc(%ebp),%esp
Code; c0116893 <schedule+61b/624>
a: 5b pop %ebx
Code; c0116894 <schedule+61c/624>
b: 5e pop %esi
Code; c0116895 <schedule+61d/624>
c: 5f pop %edi
Code; c0116896 <schedule+61e/624>
d: 89 ec mov %ebp,%esp
Code; c0116898 <schedule+620/624>
f: 5d pop %ebp
Code; c0116899 <schedule+621/624>
10: c3 ret
Code; c011689a <schedule+622/624>
11: 89 f6 mov %esi,%esi
Code; c011689c <__wake_up+0/18c>
13: 55 push %ebp

1 warning issued. Results may not be reliable.
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