Re: Panic when loading if_ath

Jille Timmermans wrote:
> Hello list,
>
> A panic with if_ath (Atheros 2413)
>
> root /sys/modules/ath_rate_amrr# make
> root /sys/modules/ath_rate_amrr# make install
> root ~# kldload if_ath
> warning: KLD '/boot/kernel/if_ath.ko' is newer than the linker.hints file
> ath0: <Atheros 2413> mem 0xc9000000-0xc900ffff irq 18 at device 1.0 on pci5
> ath0: [ITHREAD]
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0x0
> fault code = supervisor read, page not present
> instruction pointer = 0x20:0x0
> stack pointer = 0x28:0xc43cc748
> frame pointer = 0x28:0xc43cc75c
> code segment = base 0x0, limit 0xfffff, type 0x1b
>              = DPL 0, pres 1, def32 1, gran 1
> processor eflags = interrupt enabled, resume, IOPL = 0
> current_process = 993 (kldload)
> trap number = 12
> panic: page fault
> cpuid = 0
>
> [dump]
> [reboot]
> WARNING: /tmp was not properly dismounted
> WARNING: /usr was not properly dismounted
> WARNING: /var was not properly dismounted
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address = 0x5bbfe499
> fault code = supervisor read, page not present
> instruction pointer  = 0x20:0xc0684c37
> stack pointer = 0x28:0xc4364a5c
> frame pointer = 0x28:0xc4364c28
> code segment = base 0x0, limit 0xfffff, type 0x1b
>              = DPL 0, pres 1, def32 1, gran 1
> processor eflags = interrupt enabled, resume, IOPL = 0
> current process = 136 (ifconfig)
> trap number = 12
> panic: page fault
> cpuid = 0
>
> [a few crashes later, when it comes to mind to get a backtrace]
> root ~# kldload ath_rate
> root ~# kldload if_ath
> ath0: <Atheros 2413> mem 0xc9000000-0xc900ffff irq 18 at device 1.0 on pci5
> ath0: [ITHREAD]
> [panic]
> uart_z8530_class(c4ac5000, 0, 1, 1, c4390000, ...) at 0
> ar5212Attach(1a, c48b0000, 1, c4389000, c437c8ec, ...) at ar5212Attach+0x211
> ath_hal_attach(1a, c48b0000, 1, c4389000, c437c8ec, ...) at
> ath_hal_attach+0x56
> ath_attach(1a, c48b0000, 3, c437c940, ffffffff, ...) at ath_attach+0x9e
> ath_pci_attach(c46bb200, c4823854, c09fcf80, c099dc60, 80000000, ...) at
> ath_pci_attach+0x332
> device_attach([snip]) at device_attach+0x36f
> device_probe_and_attach([snip) at ...+0x43
> pci_driver_added([snip]) at +0x104
> devclass_add_driver([snip]) at +0xe8
> driver_module_handler([snip]) at +0x79
> module_register_init()
> linker_load_module()
> kern_kldload()
>
> (Please don't tell me you want any of that snips.)
>
> Any extra information I can provide to you ?
> I am willing to help debugging / crashing.
>
>   
Try building the driver into the kernel.  Also use sample and not amrr.

    Sam