Problems using /proc/scsi/gdth/ with 2.4.20aa1

Oliver Jehle (oliver.jehle@monex.li)
10 Dec 2002 07:49:00 +0100


Running linux 2.4.20-aa1 and the gdth driver works ,but accessing
/proc/scsi/gdth/0 for example with cat or the supplied icpcon utility
don't work...

these messages are in system log when accessing /proc/scsi/gdth/0 with
cat for example (works with 2.4.18)
...

Dec 10 06:37:47 arena1 kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000000
Dec 10 06:37:47 arena1 kernel: printing eip:
Dec 10 06:37:47 arena1 kernel: c024c879
Dec 10 06:37:47 arena1 kernel: *pde = 00000000
Dec 10 06:37:47 arena1 kernel: Oops: 0002 2.4.20aa1 #2 SMP Mon Dec 9
16:55:18 CET 2002
Dec 10 06:37:47 arena1 kernel: CPU: 0
Dec 10 06:37:47 arena1 kernel: EIP:
0010:[scsi_release_commandblocks+17/92] Not tainted
Dec 10 06:37:47 arena1 kernel: EFLAGS: 00010046
Dec 10 06:37:47 arena1 kernel: eax: 00000000 ebx: c283c000 ecx:
00000000 edx: 000000bd
Dec 10 06:37:47 arena1 kernel: esi: c283c000 edi: c283c018 ebp:
00000246 esp: c96a1b24
Dec 10 06:37:47 arena1 kernel: ds: 0018 es: 0018 ss: 0018
Dec 10 06:37:47 arena1 kernel: Process cat (pid: 2573,
stackpage=c96a1000)
Dec 10 06:37:47 arena1 kernel: Stack: c283c000 c92ce600 c283c000
c039f000 c024da34 c283c000 c283c018 00000c44
Dec 10 06:37:47 arena1 kernel: c0258cd8 c283c000 c92ce600
00000c00 00000000 c96af000 00000c00 00000001
Dec 10 06:37:47 arena1 kernel: c96a1db4 00000a10 c044a0c4
00000060 00000296 c96a1be8 c96a1bd8 c96a1db4
Dec 10 06:37:47 arena1 kernel: Call Trace: [scsi_free_host_dev+44/56]
[gdth_get_info+4972/5048] [do_no_page+470/844] [handle_mm_fault+125/344]
[do_page_fault+0/1445]
Dec 10 06:37:47 arena1 kernel: [rb_insert_color+81/196]
[__vma_link+98/176] [error_code+52/60] [__vma_link+98/176]
[error_code+52/60] [clear_user+46/60]
Dec 10 06:37:47 arena1 kernel: [padzero+28/32]
[load_elf_binary+2381/2760] [load_elf_binary+0/2760]
[__alloc_pages+122/708] [getblk+56/108] [getblk+99/108]
Dec 10 06:37:47 arena1 kernel: [gdth_proc_info+144/152]
[proc_scsi_read+68/96] [proc_file_read+262/440] [sys_read+143/256]
[system_call+51/56]
Dec 10 06:37:47 arena1 kernel: Code: f0 fe 08 0f 88 68 14 00 00 8b 86 a8
00 00 00 85 c0 74 1c 8d

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