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    SubjectRe: oops mounting reiserFS with 2.5.7
    There is a patch for this, it is on our website I believe.  The bug was 
    not introduced by the ReiserFS team.....

    Linus is out or we'd be sending it to him.

    Hans

    bvermeul@devel.blackstar.nl wrote:

    >Hi,
    >
    >I've seen the same on an Athlon 700 MHz with 1.2 GB of memory.
    >2.4.12-ac5 could read it just fine.
    >
    >I can't test or reproduce, since I've since replaced reiserfs with ext3
    >on that box.
    >
    >Bas Vermeulen
    >
    >>here is the oops i get mounting reiserFS filesystem with kernel 2.5.7,
    >>just after the message:
    >>
    >>found reiserfs format "3.6" with standard journal
    >>
    >>
    >>Unable to handle kernel NULL pointer dereference at virtual address
    >>00000010
    >>c013415a
    >>*pde = 00000000
    >>Oops: 0000
    >>CPU: 0
    >>EIP: 0010:[<c013415a>] Not tainted
    >>Using defaults from ksymoops -t elf32-i386 -a i386
    >>EFLAGS: 00010282
    >>eax: 00001000 ebx: 0000000f ecx: 00000009 edx: 00002012
    >>esi: 00000009 edi: 00002012 ebp: 00000000 esp: df97fd94
    >>ds: 0018 es: 0018 ss: 0018
    >>Stack: 00001000 00002012 00000000 df80b000 df80b000 c0134858 00000000 00002012
    >> 00001000 df80b000 e08a7000 e08b83ec c0134a97 00000000 00002012 00001000
    >> df80b000 c017b30c 00000000 00002012 00001000 00000811 00000000 df80b154
    >>Call Trace: [<c0134858>] [<c0134a97>] [<c017b30c>] [<c01338b0>] [<c016d439>]
    >> [<c016dd4c>] [<c01858a4>] [<c01393e1>] [<c0137fa0>] [<c016e13f>] [<c016dc20>]
    >> [<c01381a0>] [<c0149679>] [<c0149960>] [<c014979d>] [<c0149d84>] [<c0107047>]
    >>Code: 0f b7 45 10 b0 00 66 0f b6 55 10 01 d0 0f b7 c0 89 44 24 10
    >>
    >>
    >>>>EIP; c013415a <__get_hash_table+1a/c0> <=====
    >>>>
    >>>>eax; 00001000 Before first symbol
    >>>>edx; 00002012 Before first symbol
    >>>>edi; 00002012 Before first symbol
    >>>>esp; df97fd94 <_end+1f6aa7e8/2052ca54>
    >>>>
    >>Trace; c0134858 <__getblk+18/40>
    >>Trace; c0134a97 <__bread+17/70>
    >>Trace; c017b30c <journal_init+dc/690>
    >>Trace; c01338b0 <__wait_on_buffer+80/90>
    >>Trace; c016d439 <read_bitmaps+c9/160>
    >>Trace; c016dd4c <reiserfs_fill_super+12c/4b0>
    >>Trace; c01858a4 <sprintf+14/20>
    >>Trace; c01393e1 <bdevname+31/3a>
    >>Trace; c0137fa0 <get_sb_bdev+1e0/250>
    >>Trace; c016e13f <reiserfs_get_sb+1f/30>
    >>Trace; c016dc20 <reiserfs_fill_super+0/4b0>
    >>Trace; c01381a0 <do_kern_mount+50/d0>
    >>Trace; c0149679 <do_add_mount+69/140>
    >>Trace; c0149960 <do_mount+170/190>
    >>Trace; c014979d <copy_mount_options+4d/a0>
    >>Trace; c0149d84 <sys_mount+a4/110>
    >>Trace; c0107047 <syscall_call+7/b>
    >>
    >>Code; c013415a <__get_hash_table+1a/c0>
    >>00000000 <_EIP>:
    >>Code; c013415a <__get_hash_table+1a/c0> <=====
    >> 0: 0f b7 45 10 movzwl 0x10(%ebp),%eax <=====
    >>Code; c013415e <__get_hash_table+1e/c0>
    >> 4: b0 00 mov $0x0,%al
    >>Code; c0134160 <__get_hash_table+20/c0>
    >> 6: 66 0f b6 55 10 movzbw 0x10(%ebp),%dx
    >>Code; c0134165 <__get_hash_table+25/c0>
    >> b: 01 d0 add %edx,%eax
    >>Code; c0134167 <__get_hash_table+27/c0>
    >> d: 0f b7 c0 movzwl %ax,%eax
    >>Code; c013416a <__get_hash_table+2a/c0>
    >> 10: 89 44 24 10 mov %eax,0x10(%esp,1)
    >>
    >>
    >>The hardware is an AMD Athlon 1300 Mhz 200 MhzFSB,
    >>MB Abit KT133A (via chipset), with 512MB RAM,
    >>and three scsi disks on an adaptec 2940,
    >>
    >>kernel is compiled with gcc 2.95.3 and binutils 2.12.90.0.1
    >>
    >>This oops is coerent with the message i get booting
    >>a Pentium III 1Ghz on i810 chipset,
    >>at less seeing the EIP (rootfs is reiserFS, and i could not
    >>save the oops).
    >>
    >>I am willing to test any patch.
    >>
    >>Hope this helps
    >>
    >>Luigi
    >>
    >>-
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    >>
    >



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