Re: Steve's crashing 1.3 machine, cured?

Steven L Baur (steve@miranova.com)
13 Apr 1996 09:48:13 -0700


>>>>> "Linus" =3D=3D Linus Torvalds <torvalds@cs.Helsinki.FI> writes:

sb> This is from starting xmixer (prior to accessing an audio cd). Sou=
nd
sb> support is compiled as a module, and I got an earlier message:
sb>=20
sb> Apr 11 10:18:29 deanna insmod: A module named sound already exists
sb> Apr 11 10:18:30 deanna kernel: Detected scsi CD-ROM sr0 at scsi0, c=
hannel 0, id 5, lun 0
sb>=20
sb> Which is abnormal -- I don't think the first message should have oc=
curred.

Linus> Sounds like a bad kerneld/module interaction. Maybe the sound
Linus> module was busy being loaded when kerneld started loading it
Linus> again, or something like this. Bj=F6rn, is there anything that
Linus> protects against that kind of "re-entrancy" problem?

I upgraded to 1.3.87 and something similar occurred. The only
activity was netscape on an xterminal not on the system console.

Apr 13 06:25:43 deanna kernel: Detected scsi CD-ROM sr0 at scsi0, chann=
el 0, id 5, lun 0
Apr 13 06:50:16 deanna kernel: general protection: 0000
Apr 13 06:50:16 deanna kernel: CPU: 0
Apr 13 06:50:16 deanna kernel: EIP: 0010:[wake_up_interruptible+34/2=
16]
Apr 13 06:50:16 deanna kernel: EFLAGS: 00010202
Apr 13 06:50:16 deanna kernel: eax: 01afe6d4 ebx: 00804000 ecx: 000=
0014c edx: 7273752f
Apr 13 06:50:16 deanna kernel: esi: 0000014c edi: 01afe6d4 ebp: 01a=
ebc80 esp: 01aebc74
Apr 13 06:50:16 deanna kernel: ds: 0018 es: 0018 fs: 002b gs: 002=
b ss: 0018
Apr 13 06:50:16 deanna kernel: Process rpc.nfsd (pid: 75, process nr: 2=
3, stackpage=3D01aeb000)
Apr 13 06:50:16 deanna kernel: Stack: 01b82214 0000014c 00000000 001a2e=
f0 0014b376 01afe6d4 01b82214 00134f14=20
Apr 13 06:50:16 deanna kernel: 01b82214 01b82214 009e94d0 001351=
ff 01b82214 009e94d0 00000300 00000000=20
Apr 13 06:50:16 deanna kernel: 00000320 0013565e 009e94d0 000000=
00 00000320 009e94be 001774dd 009e94d0=20
Apr 13 06:50:16 deanna kernel: Call Trace: [def_callback3+42/64] [sock_=
wfree+36/48] [kfree_skb+167/232] [dev_kfree_skb+62/76] [el3_start_xmit+=
425/528] [dev_queue_xmit+399/468] [ip_build_xmit+1652/3520]=20
Apr 13 06:50:16 deanna kernel: [get_command+510/512] [do_sd_requ=
est+281/364] [do_IRQ+57/72] [udp_send+208/244] [udp_getfrag+0/192] [udp=
_sendto+220/292] [skb_free_datagram+106/112] [udp_sendmsg+52/188]=20
Apr 13 06:50:16 deanna kernel: [inet_sendmsg+153/176] [sys_sendt=
o+290/316] [do_bottom_half+59/96] [handle_bottom_half+11/32] [cp_new_st=
at+33/284] [ext2_check_blocks_bitmap+155/644] [sys_socketcall+495/732] =
[system_call+89/160]=20
Apr 13 06:50:16 deanna kernel: Code: 8b 02 83 f8 01 75 61 9c 5e fa c7 0=
2 00 00 00 00 83 7a 4c 00=20
Apr 13 06:50:16 deanna kernel: Aiee, killing interrupt handler
Apr 13 06:50:16 deanna kernel: general protection: 0000
Apr 13 06:50:16 deanna kernel: CPU: 0
Apr 13 06:50:16 deanna kernel: EIP: 0010:[wake_up_interruptible+34/2=
16]
Apr 13 06:50:16 deanna kernel: EFLAGS: 00010212
Apr 13 06:50:16 deanna kernel: eax: 01afe6d4 ebx: 00804000 ecx: 000=
00000 edx: 7273752f
Apr 13 06:50:16 deanna kernel: general protection: 0000
Apr 13 06:50:16 deanna kernel: CPU: 0
Apr 13 06:50:16 deanna kernel: EIP: 0010:[wake_up_interruptible+34/2=
16]
Apr 13 06:50:16 deanna kernel: EFLAGS: 00010202
Apr 13 06:50:16 deanna kernel: eax: 01afe6d4 ebx: 00804000 ecx: 000=
00206 edx: 7273752f
Apr 13 06:50:16 deanna kernel: esi: 01b82214 edi: 01afe6d4 ebp: 01a=
eb99c esp: 01aeb990
Apr 13 06:50:16 deanna kernel: ds: 0018 es: 0018 fs: 002b gs: 002=
b ss: 0018
Apr 13 06:50:16 deanna kernel: Process rpc.nfsd (pid: 75, process nr: 2=
3, stackpage=3D01aeb000)
Apr 13 06:50:16 deanna kernel: Stack: 01b82214 01b82214 0153bece 001400=
a0 0014b338 01afe6d4 009e94f0 00148071=20
Apr 13 06:50:16 deanna kernel: 01b82214 000000a0 01b82214 009e94=
44 001400a0 00147fab 01b82214 009e9444=20

--=20
steve@miranova.com baur
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