Daniel Schmitt wrote:
> Gábor Stefanik wrote:
>> Please enable CONFIG_KALLSYMS. This trace is useless without symbol
>> information.
> Sorry, I forgot.
>
> I figured out that there is a problem with reading SPROM of my bcm4306.
> I initialized a fallback SPROM at beginning of modinit of ssb.ko. I used this
> struct:
>
> static struct ssb_sprom bcm63xx2_sprom = {
> .revision = 0x01,
> .board_rev = 0x00,
> .country_code = 0xff,
> .ant_available_bg = 0xff,
> .pa0b0 = 0xffff,
> .pa0b1 = 0xffff,
> .pa0b2 = 0xffff,
> .pa1b0 = 0xffff,
> .pa1b1 = 0xffff,
> .pa1b2 = 0xffff,
> .gpio0 = 0xff,
> .gpio1 = 0xff,
> .gpio2 = 0xff,
> .gpio3 = 0xff,
> .maxpwr_bg = 0x004c,
> .itssi_bg = 0x00,
> .boardflags_lo = 0x2848,
> .boardflags_hi = 0x0000,
> };
>
> Before registering the fallback SPROM I initialized an MAC-Address:
>
> bcm63xx2_sprom.il0mac[0] = 0x00;
> bcm63xx2_sprom.il0mac[1] = 0x80;
> bcm63xx2_sprom.il0mac[2] = 0x23;
> bcm63xx2_sprom.il0mac[3] = 0xFE;
> bcm63xx2_sprom.il0mac[4] = 0xCD;
> bcm63xx2_sprom.il0mac[5] = 0x13;
>
>
> It works that I have a fallback SPROM. here the dmesg:
> DANIEL: fallback SRPM registeredPCI: enabling device 0000:00:02.0 (0140 ->
> 0142)
> ssb: Core 0 found: ChipCommon (cc 0x800, rev 0x02, vendor 0x4243)
> ssb: Core 1 found: IEEE 802.11 (cc 0x812, rev 0x04, vendor 0x4243)
> ssb: Core 2 found: PCMCIA (cc 0x80D, rev 0x01, vendor 0x4243)
> ssb: Core 3 found: V90 (cc 0x807, rev 0x01, vendor 0x4243)
> ssb: Core 4 found: PCI (cc 0x804, rev 0x07, vendor 0x4243)
> ssb: Core 5 found: IEEE 802.11 (cc 0x812, rev 0x04, vendor 0x4243)
> ssb: Ignoring additional 802.11 core
> ssb: Sonics Silicon Backplane found on PCI device 0000:00:02.0
> PCI: enabling device 0000:00:04.0 (0140 -> 0142)
> ssb: Core 0 found: ChipCommon (cc 0x800, rev 0x02, vendor 0x4243)
> ssb: Core 1 found: IEEE 802.11 (cc 0x812, rev 0x04, vendor 0x4243)
> ssb: Core 2 found: PCMCIA (cc 0x80D, rev 0x01, vendor 0x4243)
> ssb: Core 3 found: V90 (cc 0x807, rev 0x01, vendor 0x4243)
> ssb: Core 4 found: PCI (cc 0x804, rev 0x07, vendor 0x4243)
> ssb: Core 5 found: IEEE 802.11 (cc 0x812, rev 0x04, vendor 0x4243)
> ssb: Ignoring additional 802.11 core
> ssb: Sonics Silicon Backplane found on PCI device 0000:00:04.0
>
> But if I do a "cat /sys/devices/pci0000:00/0000:00:02.0/ssb_sprom" I get
>
> Bad mode in data abort handler detected
> Internal error: Oops - bad mode: 0 [#1]
> Modules linked in: ssb
> CPU: 0 Not tainted (2.6.28.10 #9)
> PC is at 0xffff01fc
> LR is at ssb_attr_sprom_show+0x7c/0x124 [ssb]
> pc : [<ffff01fc>] lr : [<bf002704>] psr: a0000092
> sp : c3aa3e5c ip : 00000001 fp : c3aa3ecc
> r10: c026e1e4 r9 : 00000000 r8 : 0000ffff
> r7 : c3a30ebe r6 : c3a24c00 r5 : 00000060 r4 : 00000002
> r3 : c48c90be r2 : c3aa3ea4 r1 : 00000003 r0 : 90be0000
> Flags: NzCv IRQs off FIQs on Mode IRQ_32 ISA ARM Segment user
> Control: 000039ff Table: 03a40000 DAC: 00000015
> Process cat (pid: 1461, stack limit = 0xc3aa2260)
> Stack: (0xc3aa3e5c to 0xc3aa4000)
> 3e40: 90be0000
> 3e60: 00000003 c3aa3ea4 c48c90be 00000002 00000060 c3a24c00 c3a30ebe 0000ffff
> 3e80: 00000000 c026e1e4 c3aa3ecc 00000001 c3aa3e5c bf002704 ffff01fc a0000092
> 3ea0: ffffffff c3aa3eb0 c3a24c00 000000dc bf002850 c3a30e00 c3a24c1c c3acb000
> 3ec0: c3aa3ef8 c3aa3ed0 bf002704 bf00285c c3acb000 fffffffb c39f1ab4 00000fff
> 3ee0: c0267420 c396c8f4 c3aa3f80 c3aa3f0c c3aa3efc bf002cc4 bf002694 bf008730
> 3f00: c3aa3f24 c3aa3f10 c012e43c bf002ca0 c396c8e0 c38114c0 c3aa3f5c c3aa3f28
> 3f20: c00c7548 c012e420 00000003 00001000 beb23d90 c3869340 00001000 beb23d90
> 3f40: c3aa3f80 c0021f84 c3aa2000 00000001 c3aa3f7c c3aa3f60 c008ac1c c00c74b0
> 3f60: c3869340 00000000 00000000 00000003 c3aa3fa4 c3aa3f80 c008af0c c008ab78
> 3f80: 00000000 00000000 00000000 00001000 4009c614 beb23d90 00000000 c3aa3fa8
> 3fa0: c0021de0 c008aecc 00001000 4009c614 00000003 beb23d90 00001000 00074b70
> 3fc0: 00001000 4009c614 beb23d90 00000003 00000000 00000001 00000001 00000003
> 3fe0: 40052660 beb23d74 0000db54 40052668 20000010 00000003 00000000 00000000
> Backtrace:
> [<bf002850>] (sprom_do_read+0x0/0xf0 [ssb]) from [<bf002704>]
> (ssb_attr_sprom_show+0x7c/0x124 [ssb])
> [<bf002688>] (ssb_attr_sprom_show+0x0/0x124 [ssb]) from [<bf002cc4>]
> (ssb_pci_attr_sprom_show+0x30/0x40 [ssb])
> [<bf002c94>] (ssb_pci_attr_sprom_show+0x0/0x40 [ssb]) from [<c012e43c>]
> (dev_attr_show+0x28/0x54)
> r4:bf008730
> [<c012e414>] (dev_attr_show+0x0/0x54) from [<c00c7548>]
> (sysfs_read_file+0xa4/0x138)
> r5:c38114c0 r4:c396c8e0
> [<c00c74a4>] (sysfs_read_file+0x0/0x138) from [<c008ac1c>]
> (vfs_read+0xb0/0xfc)
> [<c008ab6c>] (vfs_read+0x0/0xfc) from [<c008af0c>] (sys_read+0x4c/0x84)
> r7:00000003 r6:00000000 r5:00000000 r4:c3869340
> [<c008aec0>] (sys_read+0x0/0x84) from [<c0021de0>] (ret_fast_syscall+0x0/0x2c)
> r6:beb23d90 r5:4009c614 r4:00001000
> Code: 00000000 00000000 00000000 00000000 (00000000)
> ---[ end trace dffef674132f720b ]---
>
> So I decided to return the same data in sprom_do_read as in my fallback image.
> This works now:
> r...@openwrt:/tmp/root/lib/modules/2.6.28.10# cat
> /sys/devices/pci0000:00/0000:0
> 0:02.0/ssb_sprom
> 00012380CDFE00130000000000000000000000000000000000FF00FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00004C0000004828000000000000000000000000000000000000000000
> r...@openwrt:/tmp/root/lib/modules/2.6.28.10#
>
> But when I now try to load b43legacy it crashed again :(
> r...@openwrt:/tmp/root/lib/modules/2.6.28.10# insmod b43legacy.ko
> b43legacy-phy0: Broadcom 4306 WLAN found
> b43legacy: probe of ssb0:0 failed with error -2
> b43legacy-phy1: Broadcom 4306 WLAN found
> b43legacy: probe of ssb1:0 failed with error -2
> Unable to handle kernel NULL pointer dereference at virtual address 00000000
> pgd = c3860000
> [00000000] *pgd=0313a031, *pte=00000000, *ppte=00000000
> Internal error: Oops: 817 [#1]
> Modules linked in: b43legacy(+) mac80211 cfg80211 ssb
> CPU: 0 Not tainted (2.6.28.10 #9)
> PC is at sysfs_create_file+0x34/0x40
> LR is at driver_create_file+0x20/0x2c
> pc : [<c00c78ac>] lr : [<c0131758>] psr: 60000013
> sp : c30efd60 ip : c30efd70 fp : c30efd6c
> r10: bf008644 r9 : bf08c000 r8 : c398f5a0
> r7 : 00000000 r6 : 00075030 r5 : bf088bb8 r4 : 00000000
> r3 : 00000000 r2 : 00000020 r1 : c02674b0 r0 : 00000000
> Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
> Control: 000039ff Table: 03860000 DAC: 00000015
> Process insmod (pid: 1508, stack limit = 0xc30ee260)
> Stack: (0xc30efd60 to 0xc30f0000)
> fd60: c30efd7c c30efd70 c0131758 c00c7884 c30efda8 c30efd80 c0130d88 c0131744
> fd80: bf0838a8 00000000 bf088bb8 00075030 00000000 c30ee000 be842e98 c30efdcc
> fda0: c30efdac c01315a0 c0130cb8 00000000 bf088f00 00075030 00000000 c30ee000
> fdc0: c30efddc c30efdd0 bf0010c0 c0131558 c30efdfc c30efde0 bf08c01c bf0010a4
> fde0: 00000001 00000000 00000000 bf088f00 c30eff80 c30efe00 c00212b0 bf08c00c
> fe00: c026d2d8 00000000 c30efe14 c0069438 c0067fe8 00000000 c026d2fc 00000003
> fe20: c026d2d8 00000001 00000000 00000003 c02f7b20 c026d2f0 c026d2d8 40000013
> fe40: 00000000 00000018 c313ee20 c30efe7c c30efe5c c0069804 c0069388 00000000
> fe60: 00000020 c4936000 00000001 c4936000 c30efe8c c30efe80 c00698a0 c006969c
> fe80: c30efea0 c30efe90 c393e780 00000021 c4936000 c30efec0 c30efea4 c007d634
> fea0: c008652c c396cb60 bf088f00 00000001 00000001 c30efed0 c30efec4 c007d704
> fec0: c007d5a8 c30eff80 c30efed4 c005e888 c007d6e0 00000000 c30eff50 c30eff48
> fee0: bf067818 bf088f0c c494e41c c494e304 c494e3f4 bf084718 c494e084 c494dfb6
> ff00: c393e760 c4954fdc 00000016 0000000b 00000000 00000245 00000245 bf084754
> ff20: bf086b94 bf0429dc 00000018 c494e444 00000000 00000000 00000000 00000000
> ff40: 00000000 00000000 00020fd1 bf088f00 00075030 00000000 00020fd1 bf088f00
> ff60: 00075030 00000000 c0021f84 c30ee000 be842e98 c30effa4 c30eff84 c005e974
> ff80: c0021284 c0088398 00020fd1 00075030 00000002 00000080 00000000 c30effa8
> ffa0: c0021de0 c005e8f0 00020fd1 00075030 00075030 00020fd1 00075020 00075030
> ffc0: 00020fd1 00075030 00000002 be842f5d be842bec 00000002 be842e98 0000c8c0
> ffe0: 40051a94 be841bcc 0001181c 40051aa0 20000010 00075030 00305021 00305421
> Backtrace:
> [<c00c7878>] (sysfs_create_file+0x0/0x40) from [<c0131758>]
> (driver_create_file+0x20/0x2c)
> [<c0131738>] (driver_create_file+0x0/0x2c) from [<c0130d88>]
> (bus_add_driver+0xdc/0x22c)
> [<c0130cac>] (bus_add_driver+0x0/0x22c) from [<c01315a0>]
> (driver_register+0x54/0x130)
> [<c013154c>] (driver_register+0x0/0x130) from [<bf0010c0>]
> (__ssb_driver_register+0x28/0x30 [ssb])
> r8:c30ee000 r7:00000000 r6:00075030 r5:bf088f00 r4:00000000
> [<bf001098>] (__ssb_driver_register+0x0/0x30 [ssb]) from [<bf08c01c>]
> (b43legacy_init+0x1c/0x74 [b43legacy])
> [<bf08c000>] (b43legacy_init+0x0/0x74 [b43legacy]) from [<c00212b0>]
> (do_one_initcall+0x38/0x1b0)
> r5:bf088f00 r4:00000000
> [<c0021278>] (do_one_initcall+0x0/0x1b0) from [<c005e974>]
> (sys_init_module+0x90/0x18c)
> [<c005e8e4>] (sys_init_module+0x0/0x18c) from [<c0021de0>]
> (ret_fast_syscall+0x0/0x2c)
> r7:00000080 r6:00000002 r5:00075030 r4:00020fd1
> Code: e3a02002 ebffffee e89da800 e3a03000 (e5833000)
> ---[ end trace dffef674132f720b ]---
> Segmentation fault
> r...@openwrt:/tmp/root/lib/modules/2.6.28.10#
>
> this happens with b43legacy driver from compat-wireless_2009-08-20.
>
> I will try to use 2009-08-15 I trink it worked for one time.
I think you may have a hardware problem. I just tested b43legacy with
my Cardbus device using the 2.6.31-wl kernel with no problems.
Larry
_______________________________________________
Bcm43xx-dev mailing list
[email protected]
https://lists.berlios.de/mailman/listinfo/bcm43xx-dev
