Date: Mon, 1 Jun 2009 16:22:01 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r193236 - head/sys/dev/bwi Message-ID: <200906011622.n51GM1O4084183@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: imp Date: Mon Jun 1 16:22:01 2009 New Revision: 193236 URL: http://svn.freebsd.org/changeset/base/193236 Log: Add a comment about what may be happening when we get certain messages. No change to actual code. Modified: head/sys/dev/bwi/if_bwi.c Modified: head/sys/dev/bwi/if_bwi.c ============================================================================== --- head/sys/dev/bwi/if_bwi.c Mon Jun 1 16:14:38 2009 (r193235) +++ head/sys/dev/bwi/if_bwi.c Mon Jun 1 16:22:01 2009 (r193236) @@ -1628,6 +1628,23 @@ bwi_intr(void *xsc) /* Disable all interrupts */ bwi_disable_intrs(sc, BWI_ALL_INTRS); + /* + * http://bcm-specs.sipsolutions.net/Interrupts + * Says for this bit (0x800): + * "Fatal Error + * + * We got this one while testing things when by accident the + * template ram wasn't set to big endian when it should have + * been after writing the initial values. It keeps on being + * triggered, the only way to stop it seems to shut down the + * chip." + * + * Suggesting that we should never get it and if we do we're not + * feeding TX packets into the MAC correctly if we do... Apparently, + * it is valid only on mac version 5 and higher, but I couldn't + * find a reference for that... Since I see them from time to time + * on my card, this suggests an error in the tx path still... + */ if (intr_status & BWI_INTR_PHY_TXERR) { if (mac->mac_flags & BWI_MAC_F_PHYE_RESET) { if_printf(ifp, "%s: intr PHY TX error\n", __func__);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200906011622.n51GM1O4084183>