[Prism54-devel] [Bug 93] New: kernel BUG at drivers/net/wireless/prism54/oid_mgt.c:491

[bugzilla-daemon at mcgrof.com]

http://localhost/cgi-bin/bugzilla/show_bug.cgi?id=93

           Summary: kernel BUG at drivers/net/wireless/prism54/oid_mgt.c:491
           Product: prim54
           Version: 1.2
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: critical
          Priority: P2
         Component: Device Driver
        AssignedTo: prism54-devel at prism54.org
        ReportedBy: spamhole at gmx.at


I use a Netgear WG511 pcmcia wireless card, connected to a Netgear WG602v2 AP.

Sometimes when I type iwconfig eth0 while the card is transfering a lot of data
(ping -f works well for testing), iwconfig exits with no output but
"Segmentation fault". dmesg shows this:

------------[ cut here ]------------
kernel BUG at drivers/net/wireless/prism54/oid_mgt.c:491!
invalid operand: 0000 [#1]
PREEMPT
Modules linked in: via_rhine crc32 prism54 snd_pcm_oss snd_mixer_oss snd_via82xx
 snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd
_seq_device snd soundcore yenta_socket pcmcia_core sd_mod isofs vfat fat usb_sto
rage scsi_mod ehci_hcd
CPU:    0
EIP:    0060:[<e09a006d>]    Not tainted
EFLAGS: 00010206   (2.6.7)
EIP is at mgt_get_request+0x2bd/0x2e0 [prism54]
eax: 00000003   ebx: 00000120   ecx: c157b220   edx: 00000018
esi: 00000014   edi: deba7428   ebp: d95d4e94   esp: d95d4e58
ds: 007b   es: 007b   ss: 0068
Process iwconfig (pid: 1127, threadinfo=d95d4000 task=df02ab90)
Stack: dca81058 00000000 12000003 00000000 00000004 d95d4e84 12000003 00000000
       dec5ad88 00000004 fffffffb 00000000 d95d4ec4 c157b220 deba7428 d95d4ed4
       e099c589 c157b220 00000018 00000014 00000000 d95d4ec4 00000000 00000001
Call Trace:
 [<c01048af>] show_stack+0x7f/0xa0
 [<c0104a48>] show_registers+0x158/0x1b0
 [<c0104bc8>] die+0x88/0x100
 [<c0105013>] do_invalid_op+0xb3/0xc0
 [<c0104525>] error_code+0x2d/0x38
 [<e099c589>] prism54_get_encode+0x129/0x1d0 [prism54]
 [<c02750c2>] wireless_process_ioctl+0x222/0x730
 [<c026bbe4>] dev_ioctl+0x244/0x370
 [<c026260f>] sock_ioctl+0x28f/0x2c0
 [<c015d2d4>] sys_ioctl+0xf4/0x260
 [<c010437b>] syscall_call+0x7/0xb

Code: 0f 0b eb 01 00 28 9a e0 e9 80 fd ff ff 0f 0b ea 01 00 28 9a

Max



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