Messages in this thread Patch in this message | | | From | Daniel Ritz <> | Subject | [PATCH 2.5] fix yenta unload oops | Date | Sat, 14 Jun 2003 21:12:42 +0200 |
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hi
rmmod yenta produces the following oops: Unable to handle kernel paging request at virtual address d084781e printing eip: d08a555f *pde = 013f1067 *pte = 00000000 Oops: 0002 [#1] CPU: 0 EIP: 0060:[<d08a555f>] Not tainted EFLAGS: 00010212 EIP is at yenta_config_init+0x18f/0x1e0 [yenta] eax: d084781e ebx: cfe16d08 ecx: c030d508 edx: 00000cfe esi: cef0d154 edi: c3236000 ebp: c3237f2c esp: c3237f10 ds: 007b es: 007b ss: 0068 Process pccardd (pid: 2618, threadinfo=c3236000 task=c988ae60) Stack: d084781e d08a63b6 00000079 00000500 05800000 cef0d154 cef0d21c c3237f44 d08a55ca cef0d154 c0134970 c988ae60 cef0d21c c3237f50 d08b3d1a cef0d21c c3237f68 d08b4657 cef0d21c d08b489b 00000000 cef0d21c c3237fec d08b4fe6 Call Trace: [<d08a63b6>] +0x0/0x6a [yenta] [<d08a55ca>] yenta_init+0x1a/0x50 [yenta] [<c0134970>] process_timeout+0x0/0x10 [<d08b3d1a>] init_socket+0x2a/0x30 [pcmcia_core] [<d08b4657>] shutdown_socket+0x17/0x100 [pcmcia_core] [<d08b489b>] socket_shutdown+0x4b/0x60 [pcmcia_core] [<d08b4fe6>] pccardd+0x346/0x360 [pcmcia_core] [<c0122e70>] default_wake_function+0x0/0x30 [<c010c092>] ret_from_fork+0x6/0x14 [<c0122e70>] default_wake_function+0x0/0x30 [<d08b4ca0>] pccardd+0x0/0x360 [pcmcia_core]
the attached patch fixes this. against 2.5.70-bk.
rgds -daniel
===== drivers/pcmcia/yenta.c 1.23 vs edited ===== --- 1.23/drivers/pcmcia/yenta.c Wed Jun 11 23:52:43 2003 +++ edited/drivers/pcmcia/yenta.c Sat Jun 14 19:37:24 2003 @@ -764,6 +764,9 @@ { struct yenta_socket *sock = pci_get_drvdata(dev); + /* we don't want a dying socket registered */ + pcmcia_unregister_socket(&sock->socket); + /* Disable all events so we don't die in an IRQ storm */ cb_writel(sock, CB_SOCKET_MASK, 0x0); exca_writeb(sock, I365_CSCINT, 0); @@ -777,7 +780,6 @@ iounmap(sock->base); yenta_free_resources(sock); - pcmcia_unregister_socket(&sock->socket); pci_set_drvdata(dev, NULL); } [<c010937d>] kernel_thread_helper+0x5/0x18
Code: c6 00 00 c7 44 24 08 79 00 00 00 c7 44 24 04 b6 63 8a d0 8b
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