Re: hang during kldload if_bwn

I don't know why it's hanging; and unfortunately I'll have to
reinstall -head to get a working console (since the device I have here
for doing ppc+bwn work wants syscons, /not/ vt.. :( )


-a


On 6 November 2016 at 14:42, Justin Hibbits <chmeeedalf_at_gmail.com> wrote:
> Hi folks,
>
> I have a PowerBook G4 with an Airport Extreme card (bwi/bwn, can use
> either one), and found if I don't have the exact correct firmware it
> hangs.  Here's a snippet of WITNESS before it hangs:
>
> siba_bwn0: <Broadcom BCM4318 802.11b/g Wireless> mem
> 0xa0004000-0xa0005fff irq 52 at device 17.0 on pci1 bwn0 on siba_bwn0
> bwn0: bwn_attach_core: forcing 2GHz only; no dual-band support for PHY
> bwn0: WLAN (chipid 0x4318 rev 9) PHY (analog 3 type 2 rev 7) RADIO
> (manuf 0x17f ver 0x2050 rev 8) bwn0: DMA (32 bits)
> wlan0: Ethernet address: 00:14:51:7d:60:39
> bwn0: ucode fw: ucode5
> Sleeping on "fwload" with the following non-sleepable locks held:
> exclusive sleep mutex bwn0 (network driver) r = 0 (0xd2e57004) locked
> _at_ /usr/src/sys/modules/bwn/../../dev/bwn/if_bwn.c:814 stack backtrace:
> #0 0x50fd64 at witness_warn+0x2c0
> #1 0x49ef0c at _sleep+0xc8
> #2 0x4e2e10 at firmware_get+0x120
> #3 0xd2d0a6e4 at bwn_fw_get+0xe4
> #4 0xd2d1057c at bwn_fw_gets+0x1ac
> #5 0xd2d13130 at bwn_core_init+0x28c
> #6 0xd2d151f0 at bwn_init+0x310
> #7 0xd2d15408 at bwn_parent+0x80
> #8 0xd2da794c at parent_updown+0x1c
> #9 0x4fe6dc at taskqueue_run_locked+0x178
> #10 0x4ff468 at taskqueue_thread_loop+0xa8
> #11 0x44c99c at fork_exit+0xc0
> #12 0x8229dc at fork_trampoline+0xc
> bwn_v4_ucode5: could not load firmware image, error 2
> bwn0: the fw file(bwn_v4_ucode5) not found
> bwn0: ucode fw: ucode5
> Sleeping on "fwload" with the following non-sleepable locks held:
> exclusive sleep mutex bwn0 (network driver) r = 0 (0xd2e57004) locked
> _at_ /usr/src/sys/modules/bwn/../../dev/bwn/if_bwn.c:814 stack backtrace:
> #0 0x50fd64 at witness_warn+0x2c0
> #1 0x49ef0c at _sleep+0xc8
> #2 0x4e2e10 at firmware_get+0x120
> #3 0xd2d0a6e4 at bwn_fw_get+0xe4
> #4 0xd2d1057c at bwn_fw_gets+0x1ac
> #5 0xd2d13130 at bwn_core_init+0x28c
> #6 0xd2d151f0 at bwn_init+0x310
> #7 0xd2d15408 at bwn_parent+0x80
> #8 0xd2da794c at parent_updown+0x1c
> #9 0x4fe6dc at taskqueue_run_locked+0x178
> #10 0x4ff468 at taskqueue_thread_loop+0xa8
> #11 0x44c99c at fork_exit+0xc0
> #12 0x8229dc at fork_trampoline+0xc
> bwn-open_v4_ucode5: could not load firmware image, error 2
> bwn0: the fw file(bwn-open_v4_ucode5) not found
>
>
> Creating a symlink in /boot/modules of bwn_v4_ucode5.ko ->
> bwn_v4_ucode.ko makes it not hang, but it still triggers WITNESS.
>
> - Justin
> _______________________________________________
> freebsd-wireless_at_freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-wireless
> To unsubscribe, send any mail to "freebsd-wireless-unsubscribe_at_freebsd.org"