INP3 patch + yam = kernel oops

From: Øyvind Hanssen (zwgzkdii@ldapalm.com.br)
Date: Wed Apr 02 2003 - 22:12:07 EEST

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    I use 2.4.19 with Debian unstable and got it nicely up and running with
    a Yam modem at 9k6. Then I tried the INP3 patch by pe1rqx, verson 004
    and the kernel goes down as soon as I try to do an actual call on the radio port.
    It also seems like something goes wrong as soon as I load YAM module
    The kernel reports: segmentation fault, at each call to ifconfig. The log
    shows (i removed the timestamps):
    ----------------------------------------------------------
    YAM driver version 0.8 by F1OAT/F6FBB
    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    printing eip:
    00000000
    *pde = 00000000
    Oops: 0000
    CPU: 0
     EIP: 0010:[<00000000>] Not tainted
     EFLAGS: 00010202
    eax: d8859000 ebx: d19ad680 ecx: d19ac160 edx: c029aa88
    esi: d19ac150 edi: d19ac040 ebp: d1b387a0 esp: d19bff40
    ds: 0018 es: 0018 ss: 0018
    Process ifconfig (pid: 813, stackpage=d19bf000)
    Stack: d8855c01 d19ad680 00000000 00000002 00000000 d19ac150 c142f1e0 c01c933c
       d19ac150 d19ac040 c01c9939 d19ac150 d2eea540 00000000 d2eea540 c0136ffc
       d19ac040 d2eea540 d2eea540 d6f5cbc0 00000000 bffffb18 c013563d d2eea540
    Call Trace: [<d8855c01>] [sock_set_timeout+60/160] [sock_getsockopt+73/816] [shmem_file_setup+76/352] [shmem_unuse_inode+93/320]
       [shmem_unuse_inode+222/320] [system_call+51/56]
     
     Code: Bad EIP value.
    ------------------------------------------------------------

    I was thinking of giving up and do without INP3, but if anyone knows this problem and
    perhaps a hint where to look?? I used the patch which was meant for a 2.4.19 prerelease, but
    agains the official 2.4.19 kernel source. I cant find any other info on this than:
    http://sharon.pi8zaa.ampr.org/users/pe1rxq/inp3.html

    Btw. What is the "sock_orphan patch"?

    73 de LA7ECA

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