Re: [BUG] PATA_PCMCIA does not work

[Komuro <komurojun-mbn@nifty.com>]

Hi,

The pata_pcmcia problem is fixed. Thanks!
(I tested it on kernel 2.6.20-git14)

But kernel 2.6.20-mm2 introduced new oops
when I insert the pata_pcmcia device.


pcmcia: registering new device pcmcia1.0
SCSI subsystem initialized
libata version 2.10 loaded.
ata1: PATA max PIO0 cmd 0x0001d100 ctl 0x0001d10e bmdma 0x00000000 irq 3
scsi0 : pata_pcmcia
BUG: unable to handle kernel NULL pointer dereference at virtual address 0000004d
 printing eip:
d8a1b10e
*pde = 00000000
Oops: 0000 [#1]
last sysfs file: /block/hda/size
Modules linked in: pata_pcmcia libata scsi_mod dm_mirror dm_multipath dm_mod pcmcia yenta_socket rsrc_nonstatic pcmcia_core
CPU:    0
EIP:    0060:[<d8a1b10e>]    Not tainted VLI
EFLAGS: 00010296   (2.6.20-mm2 #1)
EIP is at ata_acpi_exec_tfs+0x157/0x8ad [libata]
eax: 00000001   ebx: 00000000   ecx: d6d43c84   edx: d6d43c84
esi: d51f4514   edi: 00000000   ebp: d51f438c   esp: d6f2bcdc
ds: 007b   es: 007b   fs: 00d8  gs: 0000  ss: 0068
Process scsi_eh_0 (pid: 1647, ti=d6f2a000 task=c13c9a70 task.ti=d6f2a000)
Stack: d51f6190 00000246 00000246 00000000 d8a130b7 00000000 00000000 00000000 
       00000000 d6f2bd48 d6f2bdf0 d51f4514 ec000000 d51f6190 00000000 00000000 
       00000000 00000246 d6d43c84 00000000 00000000 00000000 00000000 ffffffff 
Call Trace:
 [<d8a130b7>] ata_exec_internal_sg+0x3ae/0x3b8 [libata]
 [<d8a125f8>] ata_dev_configure+0xc1/0x7d2 [libata]
 [<d8a10e87>] ata_dev_select+0xce/0x11a [libata]
 [<d8a1324e>] ata_dev_read_id+0xe0/0x2d1 [libata]
 [<d8a19c7f>] ata_do_eh+0x1235/0x16de [libata]
 [<d8a1234d>] ata_std_softreset+0x0/0xbe [libata]
 [<d8a14270>] ata_std_prereset+0x0/0x127 [libata]
 [<c011ebe9>] cancel_work_sync+0x1c/0x87
 [<d8a17c2a>] ata_bmdma_drive_eh+0xd2/0x167 [libata]
 [<d8a1234d>] ata_std_softreset+0x0/0xbe [libata]
 [<d8a17cf2>] ata_bmdma_error_handler+0x33/0x37 [libata]
 [<d8a1210e>] ata_std_postreset+0x0/0x7e [libata]
 [<d8a1a707>] ata_scsi_error+0x223/0x4b4 [libata]
 [<d885b956>] scsi_error_handler+0x0/0x490 [scsi_mod]
 [<d885ba16>] scsi_error_handler+0xc0/0x490 [scsi_mod]
 [<c02bb445>] _spin_unlock_irq+0x5/0x7
 [<c02b9d9c>] __sched_text_start+0x4e4/0x569
 [<c010eaca>] __wake_up_common+0x32/0x55
 [<d885b956>] scsi_error_handler+0x0/0x490 [scsi_mod]
 [<c0120b4f>] kthread+0xa0/0xc9
 [<c0120aaf>] kthread+0x0/0xc9
 [<c0103f3f>] kernel_thread_helper+0x7/0x10
 =======================
Code: 0f 84 e1 00 00 00 8b 54 24 48 c7 44 24 5c ff ff ff ff 8b 4c 24 48 c7 44 24 60 00 00 00 00 83 ea 48 8b 42 10 8b 5a 20 8b 54 24 48 <8b> 78 4c 8b 92 8c 01 00 00 89 54 24 44 8b 81 a4 00 00 00 8d 54 
EIP: [<d8a1b10e>] ata_acpi_exec_tfs+0x157/0x8ad [libata] SS:ESP 0068:d6f2bcdc

Best Regards
Komuro
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