Problem with mount/umount in 2.3.99

From: Robert L. Harris (Robert.L.Harris@rnd-consulting.com)
Date: Wed May 17 2000 - 22:28:59 EST


{0}:lh:/tmp>uname -a
Linux lh 2.3.99-pre8 #6 SMP Sat May 13 13:29:08 MDT 2000 i686 unknown

{0}:lh:/tmp>mount | grep tmp
/mnt/images/Books/BookCollection-01.raw on /tmp/mnt type iso9660 (rw,loop=/dev/loop1)

{0}:lh:/tmp>umount /tmp/mnt
Memory fault

{0}:lh:/tmp>mount | grep tmp
/mnt/images/Books/BookCollection-01.raw on /tmp/mnt type iso9660 (rw,loop=/dev/loop1)

And I found this in /var/adm/messages:
May 17 21:27:40 lh kernel: kernel BUG at /usr/src/linux-2.3.99-pre8/include/linux/mount.h:44!
May 17 21:27:40 lh kernel: invalid operand: 0000
May 17 21:27:40 lh kernel: CPU: 1
May 17 21:27:40 lh kernel: EIP: 0010:[sys_truncate+289/552]
May 17 21:27:40 lh kernel: EFLAGS: 00010282
May 17 21:27:40 lh kernel: eax: 00000043 ebx: ced03f98 ecx: 00000000 edx: c0284c8c
May 17 21:27:40 lh kernel: esi: c5926000 edi: ffffffea ebp: 08054650 esp: ced03f74
May 17 21:27:40 lh kernel: ds: 0018 es: 0018 ss: 0018
May 17 21:27:40 lh kernel: Process umount (pid: 7727, stackpage=ced03000)
May 17 21:27:40 lh kernel: Stack: c022bcb1 c022bc80 0000002c ced03f98 c0138a76 ced03f98 ced02000 08054651
May 17 21:27:40 lh kernel: 0804fba0 c35da260 c980c0c0 cd1960e0 c012570c cefe1200 00000009 00000001
May 17 21:27:40 lh kernel: c0138acc 08054620 00000000 c010b0fc 08054620 0000006d ffffffff 08054651
May 17 21:27:40 lh kernel: Call Trace: [unix_shutdown+373/432] [unix_shutdown+324/432] [kmem_cache_free+858/1056] [release+460/596] [kmem_cache_free+944/1056] [sys_rt_sigreturn+240/416]
May 17 21:27:40 lh kernel: Code: 0f 0b 83 c4 0c bb 00 e0 ff ff 21 e3 83 7b 1c 00 7d 16 6a 3e

:wq!
---------------------------------------------------------------------------
Robert L. Harris | Microso~1 :
Senior System Engineer | For when quality, reliability
  at RnD Consulting | and security just aren't
                                \_ that important!
DISCLAIMER:
      These are MY OPINIONS ALONE. I speak for no-one else.
FYI:
 perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'

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