Date: Fri, 15 Apr 2022 09:55:30 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@freebsd.org> To: "J.R. Oldroyd" <fbsd@opal.com> Cc: Tomoaki AOKI <junchoon@dec.sakura.ne.jp>, Chris <bsd-lists@bsdforge.com>, =?UTF-8?Q?Eirik_=E3=80=93verby?= <ltning-freebsd-wireless@anduin.net>, FreeBSD wireless mailing list <wireless@freebsd.org> Subject: Re: 8265 / 9560 problems + 7260 + AX200 Message-ID: <alpine.BSF.2.00.2204150953380.68830@ai.fobar.qr> In-Reply-To: <20220415105009.0583fb26@opal.com> References: <alpine.BSF.2.00.2204071710370.68830@ai.fobar.qr> <20220408124814.7e7b03e2@opal.com> <bab0b660d7d67455dfe4762bab3fe8678d90e39a.camel@anduin.net> <alpine.BSF.2.00.2204081055000.68830@ai.fobar.qr> <alpine.BSF.2.00.2204081118370.68830@ai.fobar.qr> <20220409104532.5df1cb3edb14d85c25de9078@dec.sakura.ne.jp> <b7b12e1037b298195958b53476c72e97@bsdforge.com> <alpine.BSF.2.00.2204141808210.68830@ai.fobar.qr> <18a809cb00c2f93b212c51d8eb2b8b10@bsdforge.com> <20220415062448.e5a1f00dc989ab4e6c5f9afe@dec.sakura.ne.jp> <20220415105009.0583fb26@opal.com>
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On Fri, 15 Apr 2022, J.R. Oldroyd wrote: > I see that iwl_drv_stop() -- which I presume gets called when the interface > goes down -- it unloads the firmware and then iwl_drv_start() calls > iwl_request_firmware() to reload it. Remember we talked about the firmware > not loading if iwm had already been there? Both of these discoveries > suggest that either the firmware unload routine isn't clean or that the > firmware load needs to do some sort of reset to get things into a known > state for the load. > > I'll spend some time later today looking through that code to see if I can > help figure out what is going on. Remember that we do not automatically recover from a firmware crash; that code is not there so we catch the problems (like the ones you are seeing) at this stage and get a chance to fix them and not have them missed. /bz -- Bjoern A. Zeeb r15:7
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