[2.2.13-pre15] null pointer exception in find_inode

Peter Hanecak (hanecak@megaloman.com)
Tue, 12 Oct 1999 20:39:57 +0200 (CEST)


bug-report in "/usr/src/linux/REPORTING-BUGS" format

[1.]

i got an kernel oops in find_inode

[2.]

when upgrading kernel from 2.2.13-pre15 to 2.2.13-pre16 i experienced few
kernel OOPs.

i performed following:

cd /usr/src
rm -rf linux-2.2.13-pre15/*
mv linux-2.2.13-pre15 linux-2.2.13-pre16
rm linux.13p15; ln -s linux-2.2.13-pre16 linux.13p15 < that was mistake :) >
mc
{cp ./linux-2.2.12/* ./linux-2.2.13-pre16} - in MC
segmentation fault less than second after confirming copy by OK

after that, i switched to console and dumped some info (see section 7.5) and
when returning back to X computer hangs (maybe it hangs after pressing
Alt+Ctrl+BkSpace - i do not know).

(here i have to note that when starting copying in mc, mc is IMO making
"summary" of source directory because it "hangs" for a second or two before
first file is copied. xome disk activity is there while making this
"summary")

in /usr/src/linux-2.2.12 i got full 2.2.12 kernel source tree.
in /usr/src/linux-2.2.13-pre15 i got full 2.2.13-pre15 kernel source tree.

such problems i experiences also when upgrading from 2.2.13-pre11 to
2.2.13-pre15 (running 2.2.13-pre11 of course) - see previous reports.

when doing same thing under 2.2.13-pre16, no problems occured. maybe longer
uptime is required (but see some notes in 7.5 section).

[3.]

kernel, oops

[4.]

Linux version 2.2.13pre15 (root@m1.megaloman.sk) (gcc version egcs-2.91.66 \
19990314/Linux (egcs-1.1.2 release)) #3 Tue Oct 5 10:25:44 EDT 1999

[5.]

ksymoops 0.7c on i586 2.2.13pre15. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.2.13pre15/ (default)
-m /boot/System.map-2.2.13-pre15 (specified)

No modules in ksyms, skipping objects
Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid lsmod file?
Oct 12 10:20:57 m1 kernel: Unable to handle kernel paging request at virtual address 085da7cc
Oct 12 10:20:57 m1 kernel: current->tss.cr3 = 06c9c000, %cr3 = 06c9c000
Oct 12 10:20:57 m1 kernel: *pde = 00000000
Oct 12 10:20:57 m1 kernel: Oops: 0000
Oct 12 10:20:57 m1 kernel: CPU: 0
Oct 12 10:20:57 m1 kernel: EIP: 0010:[find_inode+26/56]
Oct 12 10:20:57 m1 kernel: EFLAGS: 00010207
Oct 12 10:20:57 m1 kernel: eax: 085da764 ebx: 000099cd ecx: c0264ef0 edx: 085da764
Oct 12 10:20:57 m1 kernel: esi: c7fc0c00 edi: 000099cd ebp: c7fc0c00 esp: c6c9bf0c
Oct 12 10:20:57 m1 kernel: ds: 0018 es: 0018 ss: 0018
Oct 12 10:20:57 m1 kernel: Process mc (pid: 3497, process nr: 62, stackpage=c6c9b000)
Oct 12 10:20:57 m1 kernel: Stack: c012fda9 c7fc0c00 000099cd c0264ef0 000099cd c4987a20 c2e63210 c6c9bf88
Oct 12 10:20:57 m1 kernel: c013d750 c7fc0c00 000099cd fffffff4 c4987a20 c2e63210 c160c050 c0129ff5
Oct 12 10:20:57 m1 kernel: c2e63210 c4987a20 c6c9bf88 00000000 c2db7033 00000000 c2e6325c c012a1d0
Oct 12 10:20:57 m1 kernel: Call Trace: [iget+49/96] [ext2_lookup+84/124] [real_lookup+85/132] [lookup_dentry+296/488] [__namei+40/88] [sys_newlstat+14/96] [system_call+52/56]
Oct 12 10:20:57 m1 kernel: Code: 39 70 68 75 0d 39 58 18 75 08 ff 40 1c eb 0b 8d 76 00 8b 12
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 39 70 68 cmpl %esi,0x68(%eax)
Code; 00000003 Before first symbol
3: 75 0d jne 12 <_EIP+0x12> 00000012 Before first symbol
Code; 00000005 Before first symbol
5: 39 58 18 cmpl %ebx,0x18(%eax)
Code; 00000008 Before first symbol
8: 75 08 jne 12 <_EIP+0x12> 00000012 Before first symbol
Code; 0000000a Before first symbol
a: ff 40 1c incl 0x1c(%eax)
Code; 0000000d Before first symbol
d: eb 0b jmp 1a <_EIP+0x1a> 0000001a Before first symbol
Code; 0000000f Before first symbol
f: 8d 76 00 leal 0x0(%esi),%esi
Code; 00000012 Before first symbol
12: 8b 12 movl (%edx),%edx

Oct 12 10:25:00 m1 kernel: Unable to handle kernel paging request at virtual address 07070733
Oct 12 10:25:00 m1 kernel: current->tss.cr3 = 026de000, %cr3 = 026de000
Oct 12 10:25:00 m1 kernel: *pde = 00000000
Oct 12 10:25:00 m1 kernel: Oops: 0000
Oct 12 10:25:00 m1 kernel: CPU: 0
Oct 12 10:25:00 m1 kernel: EIP: 0010:[do_follow_link+34/132]
Oct 12 10:25:00 m1 kernel: EFLAGS: 00010202
Oct 12 10:25:00 m1 kernel: eax: 07070707 ebx: c4ac5e80 ecx: 00000001 edx: c2acda90
Oct 12 10:25:00 m1 kernel: esi: c4ac5e80 edi: c2abcb20 ebp: 00000001 esp: c1b39f30
Oct 12 10:25:00 m1 kernel: ds: 0018 es: 0018 ss: 0018
Oct 12 10:25:00 m1 kernel: Process mrtg (pid: 3634, process nr: 79, stackpage=c1b39000)
Oct 12 10:25:00 m1 kernel: Stack: c1aee01e c012a207 c2abcb20 c4ac5e80 00000001 c7736b40 ffffffe9 00000001
Oct 12 10:25:00 m1 kernel: bffff700 c1aee017 00000007 7065196d c012a34e c1aee000 c2abcb20 00000001
Oct 12 10:25:00 m1 kernel: c7736b40 ffffffe9 080bb1af bffff700 00000006 000081a4 c0122edc c1aee000
Oct 12 10:25:00 m1 kernel: Call Trace: [lookup_dentry+351/488] [open_namei+102/848] [filp_open+68/240] [sys_open+54/148] [system_call+52/56]
Oct 12 10:25:00 m1 kernel: Code: 83 78 2c 00 74 4a bb 00 e0 ff ff 21 e3 8b 83 cc 01 00 00 83

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 83 78 2c 00 cmpl $0x0,0x2c(%eax)
Code; 00000004 Before first symbol
4: 74 4a je 50 <_EIP+0x50> 00000050 Before first symbol
Code; 00000006 Before first symbol
6: bb 00 e0 ff ff movl $0xffffe000,%ebx
Code; 0000000b Before first symbol
b: 21 e3 andl %esp,%ebx
Code; 0000000d Before first symbol
d: 8b 83 cc 01 00 00 movl 0x1cc(%ebx),%eax
Code; 00000013 Before first symbol
13: 83 00 00 addl $0x0,(%eax)

Oct 12 10:26:30 m1 kernel: Unable to handle kernel paging request at virtual address 085da7cc
Oct 12 10:26:30 m1 kernel: current->tss.cr3 = 06c9c000, %cr3 = 06c9c000
Oct 12 10:26:30 m1 kernel: *pde = 00000000
Oct 12 10:26:30 m1 kernel: Oops: 0000
Oct 12 10:26:30 m1 kernel: CPU: 0
Oct 12 10:26:30 m1 kernel: EIP: 0010:[find_inode+26/56]
Oct 12 10:26:30 m1 kernel: EFLAGS: 00010207
Oct 12 10:26:30 m1 kernel: eax: 085da764 ebx: 0000a1bd ecx: c0264ef0 edx: 085da764
Oct 12 10:26:30 m1 kernel: esi: c7fc0c00 edi: 0000a1bd ebp: c7fc0c00 esp: c6c9bf0c
Oct 12 10:26:30 m1 kernel: ds: 0018 es: 0018 ss: 0018
Oct 12 10:26:30 m1 kernel: Process ls (pid: 3637, process nr: 62, stackpage=c6c9b000)
Oct 12 10:26:30 m1 kernel: Stack: c012fda9 c7fc0c00 0000a1bd c0264ef0 0000a1bd c1026b60 c36b7ba0 c6c9bf88
Oct 12 10:26:30 m1 kernel: c013d750 c7fc0c00 0000a1bd fffffff4 c1026b60 c36b7ba0 c09e56d0 c0129ff5
Oct 12 10:26:30 m1 kernel: c36b7ba0 c1026b60 c6c9bf88 00000000 c303c019 00000000 c36b7bec c012a1d0
Oct 12 10:26:30 m1 kernel: Call Trace: [iget+49/96] [ext2_lookup+84/124] [real_lookup+85/132] [lookup_dentry+296/488] [__namei+40/88] [sys_newlstat+14/96] [system_call+52/56]
Oct 12 10:26:30 m1 kernel: Code: 39 70 68 75 0d 39 58 18 75 08 ff 40 1c eb 0b 8d 76 00 8b 12

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 39 70 68 cmpl %esi,0x68(%eax)
Code; 00000003 Before first symbol
3: 75 0d jne 12 <_EIP+0x12> 00000012 Before first symbol
Code; 00000005 Before first symbol
5: 39 58 18 cmpl %ebx,0x18(%eax)
Code; 00000008 Before first symbol
8: 75 08 jne 12 <_EIP+0x12> 00000012 Before first symbol
Code; 0000000a Before first symbol
a: ff 40 1c incl 0x1c(%eax)
Code; 0000000d Before first symbol
d: eb 0b jmp 1a <_EIP+0x1a> 0000001a Before first symbol
Code; 0000000f Before first symbol
f: 8d 76 00 leal 0x0(%esi),%esi
Code; 00000012 Before first symbol
12: 8b 12 movl (%edx),%edx

Oct 12 10:30:01 m1 kernel: Unable to handle kernel paging request at virtual address 07070733
Oct 12 10:30:01 m1 kernel: current->tss.cr3 = 070d7000, %cr3 = 070d7000
Oct 12 10:30:01 m1 kernel: *pde = 00000000
Oct 12 10:30:01 m1 kernel: Oops: 0000
Oct 12 10:30:01 m1 kernel: CPU: 0
Oct 12 10:30:01 m1 kernel: EIP: 0010:[do_follow_link+34/132]
Oct 12 10:30:01 m1 kernel: EFLAGS: 00010202
Oct 12 10:30:01 m1 kernel: eax: 07070707 ebx: c4ac5e80 ecx: 00000001 edx: c2acda90
Oct 12 10:30:01 m1 kernel: esi: c4ac5e80 edi: c2abcb20 ebp: 00000001 esp: c272ff30
Oct 12 10:30:01 m1 kernel: ds: 0018 es: 0018 ss: 0018
Oct 12 10:30:01 m1 kernel: Process mrtg (pid: 3707, process nr: 77, stackpage=c272f000)
Oct 12 10:30:01 m1 kernel: Stack: c682f01e c012a207 c2abcb20 c4ac5e80 00000001 c075caa0 ffffffe9 00000001
Oct 12 10:30:01 m1 kernel: bffff700 c682f017 00000007 7065196d c012a34e c682f000 c2abcb20 00000001
Oct 12 10:30:01 m1 kernel: c075caa0 ffffffe9 080bb1af bffff700 00000006 000081a4 c0122edc c682f000
Oct 12 10:30:01 m1 kernel: Call Trace: [lookup_dentry+351/488] [open_namei+102/848] [filp_open+68/240] [sys_open+54/148] [system_call+52/56]
Oct 12 10:30:01 m1 kernel: Code: 83 78 2c 00 74 4a bb 00 e0 ff ff 21 e3 8b 83 cc 01 00 00 83

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 83 78 2c 00 cmpl $0x0,0x2c(%eax)
Code; 00000004 Before first symbol
4: 74 4a je 50 <_EIP+0x50> 00000050 Before first symbol
Code; 00000006 Before first symbol
6: bb 00 e0 ff ff movl $0xffffe000,%ebx
Code; 0000000b Before first symbol
b: 21 e3 andl %esp,%ebx
Code; 0000000d Before first symbol
d: 8b 83 cc 01 00 00 movl 0x1cc(%ebx),%eax
Code; 00000013 Before first symbol
13: 83 00 00 addl $0x0,(%eax)

Oct 12 10:30:57 m1 kernel: Unable to handle kernel paging request at virtual address 085da7cc
Oct 12 10:30:57 m1 kernel: current->tss.cr3 = 02a45000, %cr3 = 02a45000
Oct 12 10:30:57 m1 kernel: *pde = 00000000
Oct 12 10:30:57 m1 kernel: Oops: 0000
Oct 12 10:30:57 m1 kernel: CPU: 0
Oct 12 10:30:57 m1 kernel: EIP: 0010:[find_inode+26/56]
Oct 12 10:30:57 m1 kernel: EFLAGS: 00010207
Oct 12 10:30:57 m1 kernel: eax: 085da764 ebx: 0000b9ad ecx: c0264ef0 edx: 085da764
Oct 12 10:30:57 m1 kernel: esi: c7fc0c00 edi: 0000b9ad ebp: c7fc0c00 esp: c6e45f0c
Oct 12 10:30:57 m1 kernel: ds: 0018 es: 0018 ss: 0018
Oct 12 10:30:57 m1 kernel: Process gdm (pid: 2052, process nr: 40, stackpage=c6e45000)
Oct 12 10:30:57 m1 kernel: Stack: c012fda9 c7fc0c00 0000b9ad c0264ef0 0000b9ad c3ef23c0 c7fbded0 c6e45f88
Oct 12 10:30:57 m1 kernel: c013d750 c7fc0c00 0000b9ad fffffff4 c3ef23c0 c7fbded0 c60e93e0 c0129ff5
Oct 12 10:30:57 m1 kernel: c7fbded0 c3ef23c0 c6e45f88 00000000 c326000b 00000000 c7fbdf1c c012a1d0
Oct 12 10:30:57 m1 kernel: Call Trace: [iget+49/96] [ext2_lookup+84/124] [real_lookup+85/132] [lookup_dentry+296/488] [__namei+40/88] [sys_newlstat+14/96] [system_call+52/56]
Oct 12 10:30:57 m1 kernel: Code: 39 70 68 75 0d 39 58 18 75 08 ff 40 1c eb 0b 8d 76 00 8b 12

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 39 70 68 cmpl %esi,0x68(%eax)
Code; 00000003 Before first symbol
3: 75 0d jne 12 <_EIP+0x12> 00000012 Before first symbol
Code; 00000005 Before first symbol
5: 39 58 18 cmpl %ebx,0x18(%eax)
Code; 00000008 Before first symbol
8: 75 08 jne 12 <_EIP+0x12> 00000012 Before first symbol
Code; 0000000a Before first symbol
a: ff 40 1c incl 0x1c(%eax)
Code; 0000000d Before first symbol
d: eb 0b jmp 1a <_EIP+0x1a> 0000001a Before first symbol
Code; 0000000f Before first symbol
f: 8d 76 00 leal 0x0(%esi),%esi
Code; 00000012 Before first symbol
12: 8b 12 movl (%edx),%edx

1 warning issued. Results may not be reliable.

[6.]

cd /usr/src
rm -rf linux-2.2.13-pre15/*
mv linux-2.2.13-pre15 linux-2.2.13-pre16
rm linux.13p15; ln -s linux-2.2.13-pre16 linux.13p15 < that was mistake :) >
mc
{cp ./linux-2.2.12/* ./linux-2.2.13-pre16} - in MC
segmentation fault less than second after confirming copy by OK

[7.]

[7.1.]

-- Versions installed: (if some fields are empty or looks
-- unusual then possibly you have very old versions)
Linux m1.megaloman.sk 2.2.13pre15 #3 Tue Oct 5 10:25:44 EDT 1999 i586
unknown
Kernel modules 2.1.121
Gnu C egcs-2.91.66
Binutils 2.9.1.0.23
Linux C Library 2.1.2
Dynamic linker ldd (GNU libc) 2.1.2
Procps 2.0.2
Mount 2.9s
Net-tools 1.53
Console-tools 1999.03.02
Sh-utils 1.16
Modules Loaded

[7.2.]

processor : 0
vendor_id : GenuineIntel
cpu family : 5
model : 4
model name : Pentium MMX
stepping : 3
cpu MHz : 200.458734
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : yes
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr mce cx8 mmx
bogomips : 399.77

[7.3.]

no modules

[7.4.]

Attached devices:
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: SEAGATE Model: ST51080N Rev: 0913
Type: Direct-Access ANSI SCSI revision: 02

[7.5]

info dumped after oopses:

Oct 12 10:31:13 m1 kernel: Mem-info:
Oct 12 10:31:13 m1 kernel: Free pages: 50968kB
Oct 12 10:31:13 m1 kernel: ( Free: 12742 (256 512 768)
Oct 12 10:31:13 m1 kernel: NonDMA: 1781*4kB 1447*8kB 707*16kB 230*32kB 54*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB = 40828kB)
Oct 12 10:31:13 m1 kernel: DMA: 269*4kB 185*8kB 136*16kB 59*32kB 29*64kB 5*128kB 0*256kB 0*512kB 1*1024kB 0*2048kB = 10140kB)
Oct 12 10:31:13 m1 kernel: Swap cache: add 602, delete 533, find 304/427
Oct 12 10:31:13 m1 kernel: Free swap: 153948kB
Oct 12 10:31:13 m1 kernel: 32768 pages of RAM
Oct 12 10:31:13 m1 kernel: 799 reserved pages
Oct 12 10:31:13 m1 kernel: 6195 pages shared
Oct 12 10:31:13 m1 kernel: 69 pages swap cached
Oct 12 10:31:13 m1 kernel: 11340 pages in file cache
Oct 12 10:31:13 m1 kernel: 11409 pages in page cache
Oct 12 10:31:13 m1 kernel: 50 pages in page table cache
Oct 12 10:31:13 m1 kernel: Buffer memory: 3916kB
Oct 12 10:31:13 m1 kernel: Buffer heads: 3898
Oct 12 10:31:13 m1 kernel: Buffer blocks: 3862
Oct 12 10:31:13 m1 kernel: Buffer hashed: -26589
Oct 12 10:31:13 m1 kernel: CLEAN: 3822 buffers, 60 used (last=3791), 0 locked, 0 protected, 0 dirty
Oct 12 10:31:13 m1 kernel: DIRTY: 22 buffers, 0 used (last=0), 0 locked, 0 protected, 22 dirty
Oct 12 10:31:13 m1 kernel: Networking buffers in use : 33
Oct 12 10:31:13 m1 kernel: Total network buffer allocations : 3157598
Oct 12 10:31:13 m1 kernel: Total failed network buffer allocs : 0
Oct 12 10:31:13 m1 kernel: IP fragment buffer size : 0
Oct 12 10:31:16 m1 kernel:
Oct 12 10:31:16 m1 kernel: free sibling
Oct 12 10:31:16 m1 kernel: task PC stack pid father child younger older
Oct 12 10:31:16 m1 kernel: init 1 S C7FF9F1C 5240 1 0 3642
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: kflushd 2 S C7FE9FB0 6476 2 1 3
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: kupdate 3 S C7FE7FC8 6064 3 1 4 2
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 fffffffffffdffff : X
Oct 12 10:31:16 m1 kernel: kpiod 4 S 00000F00 7048 4 1 5 3
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 ffffffffffffffff : X
Oct 12 10:31:16 m1 kernel: kswapd 5 S C7FE3FC4 6088 5 1 281 4
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 ffffffffffffffff : X
Oct 12 10:31:16 m1 kernel: portmap 9 S 7FFFFFFF 5340 281 1 314 5
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: ypbind 13 S 7FFFFFFF 5076 314 1 315 395 281
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: ypbind 14 S C1CD1F7C 0 315 314
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: syslogd 10 S 7FFFFFFF 0 395 1 406 314
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: klogd 11 R C7C5A000 5312 406 1 422 395
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: crond 15 S C1D09F7C 0 422 1 438 406
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: inetd 16 S 7FFFFFFF 0 438 1 454 422
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: snmpd 17 S 7FFFFFFF 36 454 1 463 438
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: sshd 19 S 7FFFFFFF 36 463 1 479 454
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: atd 18 S C1DE3F7C 12 479 1 495 463
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000010000 : X
Oct 12 10:31:16 m1 kernel: lpd 20 S 7FFFFFFF 36 495 1 534 479
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: sendmail 21 S C2037F1C 36 534 1 551 495
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: gpm 8 D C7FBDF1C 5216 551 1 567 534
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: httpd 23 S C20B9F1C 5220 567 1 1986 588 551
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: httpd 24 S C218DEC4 1492 574 567 575
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: httpd 25 S C1EC39C0 0 575 567 576 574
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: httpd 26 S C21F3EC4 0 576 567 577 575
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: httpd 27 S C2251EC4 0 577 567 578 576
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: httpd 28 S C21E7EC4 0 578 567 1984 577
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: ircd 29 S C1953F1C 4 588 1 596 567
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: nessusd 30 S C1EC3180 1492 596 1 621 588
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000080000000 : X
Oct 12 10:31:16 m1 kernel: xfs 32 S C2479F1C 0 621 1 637 596
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: smbd 31 S 7FFFFFFF 5528 637 1 648 621
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000001080 : X
Oct 12 10:31:16 m1 kernel: nmbd 33 S C23EFF1C 8 648 1 669 637
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000001080 : X
Oct 12 10:31:16 m1 kernel: mingetty 22 S 7FFFFFFF 5304 669 1 670 648
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: mingetty 34 S 7FFFFFFF 1532 670 1 671 669
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: mingetty 37 S 7FFFFFFF 0 671 1 672 670
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: mingetty 36 S 7FFFFFFF 8 672 1 673 671
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: mingetty 35 S 7FFFFFFF 3808 673 1 861 672
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: gdm 39 S 7FFFFFFF 0 861 1 2041 1253 673
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: rpciod 70 S C6B0FFCC 8 1252 1 2183 1253
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 fffffffffffffeff : X
Oct 12 10:31:16 m1 kernel: lockd 71 S 7FFFFFFF 3136 1253 1 1252 861
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 fffffffffffffeff : X
Oct 12 10:31:16 m1 kernel: httpd 49 S C06CFEC4 0 1984 567 1985 578
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: httpd 53 S C7C4BEC4 0 1985 567 1986 1984
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: httpd 61 S C09C5EC4 0 1986 567 1985
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: X 38 S C5BC5F1C 36 2041 861
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000010000 0000000000010000 : X
Oct 12 10:31:16 m1 kernel: mingetty 7 S 7FFFFFFF 5132 2183 1 2969 1252
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: xscreensaver 51 S C5CDFF1C 0 2969 1 2976 2183
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: gnome-name-serv 68 S 7FFFFFFF 4 2976 1 3441 2969
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000000000 0000000000000000 : X
Oct 12 10:31:16 m1 kernel: su 59 D C36B7BEC 0 3441 1 3642 2976
Oct 12 10:31:16 m1 kernel: sig: 0 0000000000030003 fffffffffffb9eff : X
Oct 12 10:31:16 m1 kernel: su 54 D C36B7BEC 0 3642 1 3441
Oct 12 10:31:16 m1 kernel: sig: 1 0000000000000003 0000000000000000 : X

'su' processes were in 'D' state. here's 'ps' output for them:

$ ps auxw
root 3441 0.0 0.7 1996 1020 ? D 10:19 0:00 su
root 3642 0.2 0.7 1996 1012 ttyp5 D 10:27 0:00 su
$ ps axlwww
000 0 3441 1 0 0 1996 1020 down_f D ? 0:00 su
000 0 3642 3592 0 0 1996 1012 down_f D ttyp5 0:00 su

no other processes seems to hang when started after oops (i opened few
Eterms after oops messages sucessfuly).

and while i'm finishing this report running 2.2.13-pre16 and after trying
'trigger' operations i'm feeling i made kernel somehow unstable while normal
scrolling of text in 'joe' keeping 'down arrow' pressed is "slow" (muxh
slower than normal) in Eterm under Xwindows. and also it looks like that
much more CPU is used even when "doing nothing" (i have GNOME desktop with
CPU monitor, so i think i can tell that by "eye observation").

but no oops or crash yet.

and my 'image conversion' have been just completed under this latest
2.2 AC kernel - 2.2.13-pre16 - (it tooks about 7 hours).

sincerely

hany

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