I get this error whenever cardmgr detects my 3Com TokenLink III (3c689) It happends with both the 2.3.99-pre9 and 2.4.0-test1-ac22-classproc kernels. The token ring driver is built in the kernel. Before I updated to 3.1.17, I think I was using version 3.1.9 (not sure). The box is an Ascentia 910N from AST (part number 501589-301). Note that the serial part (an 14.4 kbps data/fax modem from AST, part number 234091-001) does not cause any problem at all. [nuitari@gandalf nuitari]$ cat bug.cardmgr Jun 24 02:50:33 zifnab cardmgr[684]: starting, version is 3.1.11 Jun 24 02:50:33 zifnab cardmgr[684]: watching 2 sockets Jun 24 02:50:33 zifnab kernel: cs: IO port probe 0x0c00-0x0cff: clean. Jun 24 02:50:33 zifnab kernel: cs: IO port probe 0x0800-0x08ff: clean. Jun 24 02:50:33 zifnab kernel: cs: IO port probe 0x0100-0x04ff: excluding 0x100-0x107 Jun 24 02:50:33 zifnab kernel: cs: IO port probe 0x0a00-0x0aff: clean. Jun 24 02:50:33 zifnab cardmgr[684]: initializing socket 1 Jun 24 02:50:33 zifnab cardmgr[684]: socket 1: IBM Token Ring Adapter Jun 24 02:50:33 zifnab kernel: invalid operand: 0000 Jun 24 02:50:33 zifnab kernel: CPU: 0 Jun 24 02:50:33 zifnab kernel: EIP: 0010:[ibmtr_probe+32/128] Jun 24 02:50:33 zifnab kernel: EFLAGS: 00010a07 Jun 24 02:50:33 zifnab kernel: eax: c02b2fe0 ebx: c14c2600 ecx: c1a5d30c edx: c14c2600 Jun 24 02:50:33 zifnab kernel: esi: 0000002b edi: c03a7a24 ebp: c10d2400 esp: c03a79a4 Jun 24 02:50:33 zifnab kernel: ds: 0018 es: 0018 ss: 0018 Jun 24 02:50:33 zifnab kernel: Process cardmgr (pid: 684, stackpage=c03a7000) Jun 24 02:50:33 zifnab kernel: Stack: c01c94cf c14c2600 c03a79dc c01df6a8 c14c2600 c14c2600 c10d2400 c14c2600 Jun 24 02:50:33 zifnab kernel: c1a5d358 c1a5d300 c10d249c c10d24c8 c14c2600 c10d2400 000cc000 c03a0000 Jun 24 02:50:33 zifnab kernel: 08002101 c01dff0b c10f6ba0 c03a7b00 c03a7b44 c03a7b44 c10f6ba0 42490104 Jun 24 02:50:33 zifnab kernel: Call Trace: [register_trdev+15/48] [ibmtr_config+760/976] [tok_interrupt+443/3584] [pcmcia_get_next_tuple+125/560] [pcmcia_get_next_tuple+163/560] [<ffffc0c6>] [pcmcia_validate_cis+278/336] Jun 24 02:50:33 zifnab kernel: [msstab+28574/29086] [kfree_skbmem+38/128] [__kfree_skb+265/272] [ibmtr_event+202/416] [pcmcia_register_client+503/528] [register_netdevice+397/416] [tr_configure+0/96] [init_netdev+182/208] Jun 24 02:50:33 zifnab kernel: [CardServices+414/848] [list.927+6827/11800] [ibmtr_attach+364/416] [ibmtr_event+0/416] [bind_request+352/432] [bind_request+392/432] [ds_ioctl+1213/1488] [do_anonymous_page+92/272] Jun 24 02:50:34 zifnab kernel: [do_no_page+48/176] [handle_mm_fault+240/352] [do_page_fault+391/1360] [msstab+28574/29086] [proc_get_inode+65/288] [proc_lookup+154/176] [vsprintf+822/880] [free_page_and_swap_cache+470/480] Jun 24 02:50:34 zifnab kernel: [zap_page_range+358/480] [unmap_fixup+283/304] [do_munmap+612/640] [sys_ioctl+359/400] [system_call+52/64] [stext+43/309] Jun 24 02:50:34 zifnab kernel: Code: ff eb 57 50 57 e8 56 00 00 00 83 c4 08 85 c0 75 44 31 c0 eb uname -rv 2.4.0-test1-ac22-class #1 Sat Jun 24 00:47:33 EDT 2000 cardctl -V cardctl version 3.1.11 [nuitari@gandalf nuitari]$ |