BUG? FC2 Kernel Panic with PCMCIA CF Card

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Hi,

	Should I file a bug report? Also, searching through bugzilla, ide_info
is definately not in FC2 as well as FC3-test. ( i don't think I'm gonna
worry about it though)

Description of Problem:
Kernel will hard_hang after subsequent
insertion/mounting/unmounting/re-insert/re-mount/re-unmount of a CF card
into a PCMCIA adapter.

Only seen on high capacity CF Card(512MB, not seen on 64MB, 32Mb and
16MB card)

Network connectivity is also lost. This is seen in both the
2.6.7(kernel.org) and the FC2 2.6.6-1.435 kernels

Issue is not seen under RH9 system running 2.6.3 kernel. Tested and
verified

System Info
Distro	 : FC2/RH9
Kerne	: 2.6.6-1.435, 2.6.7, 2.6.3(RH9)
Laptop	: Dell D600
pcmcia-cs-3.2.7-1.5.i386.rpm
kernel options root=/dev/hda9 resume=/dev/hda5 ro

CF Card Tested
  product info: "SanDisk", "SDP", "5/3 0.6"  (problematic 512MB)
  manfid: 0x0045, 0x0401
  function: 4 (fixed disk)

  product info: "SunDisk", "SDP", "5/3 0.6" (OK 32MB)
  manfid: 0x0045, 0x0401
  function: 4 (fixed disk)

  product info: "64MB", " " (OK 64MB PQI)
  manfid: 0x0000, 0x0000
  function: 4 (fixed disk)



How reproducible:
Always for 512mb Card. Seldom for smaller capacity.
Reproducible for few Kernel versions on FC2.
Not reproducible on RH9 (2.6.3 kernel) on same Laptop

Steps to Reproduce
1. Insert Card
2. Mount Card 
3. Unmount Card
4. Eject
5. Insert card
6. Mount Card
7. Unmount Card
8. Eject Card
9. Kernel Panic found in syslog (system still OK)
10. Insert Card (Full Kernel Hang. Reboot)

Expected Result:
Card should mount and unmount fine

Relevent Lines from /var/log/messages
====kernel 2.6.6-1.435======
kernel: hde: SanDisk SDCFB-512, DISK drive
kernel: ide2 at 0x100-0x107,0x10e irq 3
kernel: hde: max request 128KiB
kernel: hde: 1000944 sectors MB) w/1KiB Cache, CHS=993/16/63
kernel:  hde: hde1
kernel: ide-cs: hde: Vcc 3.3, Vpp = 0.0
cardmgr[4049]: executing: './ide start 2>&1'
cardmgr[4049]: + ./ide: line /sbin/ide_info: No such file or directory
kernel:  hde: hde1
cardmgr[4049]: executing: './ide stop 2>&1'
cardmgr[4049]: + ./ide: line /sbin/ide_info: No such file or directory
cardmgr[4049]: socket 0: ATA/IDE Disk
kernel: hde: SanDisk SDCFB-512, DISK drive
kernel: ide2 at 0x110-0x117,0x11e irq 3
kernel: hde: max request 128KiB
kernel: hde: 1000944 sectors MB) w/1KiB Cache, CHS=993/16/63
kernel:  hde: hde1
kernel: ide-cs: hde: Vcc 3.3, Vpp = 0.0
cardmgr[4049]: executing: './ide start 2>&1'
cardmgr[4049]: + ./ide: line /sbin/ide_info: No such file or directory
kernel:  hde: hde1
kernel: Unable to handle paging request at virtual address 5f6f6974
kernel:  printing eip:
kernel: 021e1053
kernel: *pde = 00000000
kernel: Oops: 0000 [#1]
kernel: Modules linked in: yenta_socket radeon autofs4 sunrpc 3c589_cs ds pcmcia_core tg3 snd_mixer_oss snd_in
tel8x0 snd_ac97_codec snd_pcm snd_timer gameport snd_mpu401_uart
kernel: CPU:   0
kernel: EIP:   0060:[<021e1053>]    Not tainted
kernel: EFLAGS: 00010002  (2.6.6-1.435)
kernel: EIP is at
kernel: eax: 5f6f6970  ebx: 00000084   ecx: 09a43628   edx: 00000000
kernel: esi: 00000021  edi: 0237c090   ebp: 022de668   esp: 09d3df14
kernel: ds: 007b  es: 007b   ss: 0068
kernel: Process pccardd (pid: threadinfo=09d3d000 task=0b06af30)
kernel: Stack: 00000000 00000246 0237c3f0 0237c238 21f75338 0237c080 021f4bd2
kernel:       0ae63974 ffffffff 00000001 00000002 21f75738 21f75738 21f757b0 213e4c2c
kernel:       22b61732 21f75638 00000008 00000001 22b617df 22b68150 213e4c2c 213e4d90
kernel: Call Trace:
kernel:  [<021f4bd2>] ide_unregister+0x30d/0x3b2
kernel:  [<22b61732>] ide_release+0x1c/0x7f
kernel:  [<22b617df>] ide_event+0x4a/0x8f
kernel:  [<22b68150>] send_event+0x35/0x4c
kernel:  [<22b68179>] socket_remove_drivers+0x12/0x2c
kernel:  [<22b6819b>] socket_shutdown+0x8/0x44
kernel:  [<22b685ef>] socket_remove+0x8/0x34
kernel:  [<22b68664>] socket_detect_change+0x49/0x5f
kernel:  [<22b68780>] pccardd+0x106/0x19d
kernel:  [<02115e4e>] default_wake_function+0x0/0xc
kernel:  [<02115e4e>] default_wake_function+0x0/0xc
kernel:  [<22b6867a>] pccardd+0x0/0x19d
kernel:  [<021041d9>] kernel_thread_helper+0x5/0xb
kernel:
kernel: Code: 39 70 74 07 83 38 00 89 c1 75 f2 8b 11 85 d2 17 8








-- 
Ow Mun Heng
Fedora GNU/Linux Core 2 (Tettnang) on D600 1.4Ghz CPU kernel
2.6.7-2.jul1-interactive 
Neuromancer 14:28:29 up 10 min, 4 users, load average: 0.16, 0.97, 0.69 



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