Date: Wed, 21 Dec 2011 20:59:09 -0300 From: Ramiro Caso <ramirocaso08@gmail.com> To: freebsd-questions@freebsd.org Subject: DMA problems with Broadcom 4312 under FreeBSD 9.0-RC3 Message-ID: <4EF272CD.9060906@gmail.com>
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I have a Broadcom BCM4312 LP PHY that is giving me a hard time. I installed FreeBSD 9.0-RC3 a few days ago and it was working just fine. Here is the card info: Dec 21 13:06:12 apeiron kernel: siba_bwn0: <Broadcom BCM4312 802.11b/g Wireless> mem 0xf6cfc000-0xf6cfffff irq 17 at device 0.0 on pci12 Dec 21 13:06:12 apeiron kernel: bwn0 on siba_bwn0 Dec 21 13:06:12 apeiron kernel: bwn0: WLAN (chipid 0x4312 rev 15) PHY (analog 6 type 5 rev 1) RADIO (manuf 0x17f ver 0x2062 rev 2) Dec 21 13:06:12 apeiron kernel: bwn0: DMA (64 bits) Dec 21 13:06:12 apeiron kernel: bwn0: Using 1 MSI messages Dec 21 13:06:12 apeiron kernel: wlan0: Ethernet address: 00:24:2b:b0:d6:a4 As I said, it used to work perfectly fine with the usual setup: if_bwn_load="YES" wlan_ccmp_load="YES" wlan_tkip_load="YES" bwn_v4_lp_ucode_load="YES" firmware_load="YES" wlans_bwn0="wlan0" ifconfig_wlan0="WPA DHCP" However, a few hours ago it started failing ocassionally, and now it fails almost all the time. The error message is: Dec 21 13:16:42 apeiron kernel: bwn0: Fatal DMA error: 0x800 0 0 0 0 0 Dec 21 13:16:42 apeiron kernel: bwn0: HW reset: DMA error Dec 21 13:16:42 apeiron kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657) Dec 21 13:16:42 apeiron kernel: bwn0: Fatal DMA error: 0x400 0 0 0 0 0 Dec 21 13:16:42 apeiron kernel: bwn0: HW reset: DMA error Dec 21 13:16:42 apeiron kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657) ...... Dec 21 13:16:44 apeiron kernel: bwn0: Fatal DMA error: 0x400 0x400 0 0 0 0 Dec 21 13:16:44 apeiron kernel: bwn0: HW reset: DMA error Dec 21 13:16:44 apeiron kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657) Dec 21 13:16:44 apeiron kernel: bwn0: Fatal DMA error: 0x400 0 0 0 0 0 Dec 21 13:16:44 apeiron kernel: bwn0: HW reset: DMA error Dec 21 13:16:44 apeiron kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657) ...... Dec 21 13:16:55 apeiron kernel: bwn0: Fatal DMA error: 0x400 0 0 0 0 0 Dec 21 13:16:55 apeiron kernel: bwn0: HW reset: DMA error Dec 21 13:16:55 apeiron kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657) ...... Any ideas? Best, Ramiro
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