Date: Fri, 26 Aug 2022 07:32:24 +0200 From: Berislav Purgar <bpurgar@gmail.com> To: "Bjoern A. Zeeb" <bz@freebsd.org> Cc: FreeBSD wireless mailing list <wireless@freebsd.org> Subject: Re: Request for testing for iwlwifi Message-ID: <CAAUsrB415dE5ZA9d-rJjFvOjCsW3FbOPnwDT-j%2Bc2XRqTyqYsA@mail.gmail.com> In-Reply-To: <r7875p0-np54-r85o-o624-nq9922sq9p7o@mnoonqbm.arg>
index | next in thread | previous in thread | raw e-mail
[-- Attachment #1 --] Hi I just recompiled kernel with this patch and for now i don't see any problem 14.0-CURRENT #8 main-n257521-97be6fced7db-dirty On Fri, 26 Aug 2022, 01:39 Bjoern A. Zeeb, <bz@freebsd.org> wrote: > Hi, > > could some of you please test this small patch and let me know: > > https://people.freebsd.org/~bz/tmp/20220825-01-lkpi-bssid.diff > > In theory this should be fine. But it does crash firmware on one of my > test machines reliably while other cards are okay. If the firmware crash > happens it should be in scan_to_auth with the backtrace after the firmware > register dump as below. > > It's a prereq for enabling some more of iwlwifi so it would be good > to know that it's a one-off problem here rather than more people seeing > my problem. > > > Bjoern > > > Sample backtrace: > > #0 0xffffffff80e5f85b at linux_dump_stack+0x1b > #1 0xffffffff8297c044 at iwl_trans_txq_send_hcmd+0x414 > #2 0xffffffff829230fe at iwl_trans_send_cmd+0xce > #3 0xffffffff82963383 at iwl_mvm_send_cmd_status+0x53 > #4 0xffffffff8296348f at iwl_mvm_send_cmd_pdu_status+0x4f > #5 0xffffffff8292baa6 at iwl_mvm_binding_update+0x216 > #6 0xffffffff8293d42e at __iwl_mvm_assign_vif_chanctx+0x9e > #7 0xffffffff82939d28 at iwl_mvm_assign_vif_chanctx+0x68 > #8 0xffffffff80e59df2 at lkpi_80211_mo_assign_vif_chanctx+0x22 <<< > #9 0xffffffff80e52dc9 at lkpi_sta_scan_to_auth+0x409 <<< > #10 0xffffffff80e595ed at lkpi_iv_newstate+0x27d > #11 0xffffffff80d93015 at ieee80211_newstate_cb+0x1f5 > #12 0xffffffff80c4f8da at taskqueue_run_locked+0xaa > #13 0xffffffff80c50982 at taskqueue_thread_loop+0xc2 > #14 0xffffffff80ba2e80 at fork_exit+0x80 > #15 0xffffffff810a044e at fork_trampoline+0xe > > -- > Bjoern A. Zeeb r15:7 > > [-- Attachment #2 --] <div dir="auto">Hi <div dir="auto"><br></div><div dir="auto">I just recompiled kernel with this patch and for now i don't see any problem </div><div dir="auto"><br></div><div dir="auto">14.0-CURRENT #8 main-n257521-97be6fced7db-dirty</div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 26 Aug 2022, 01:39 Bjoern A. Zeeb, <<a href="mailto:bz@freebsd.org">bz@freebsd.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br> <br> could some of you please test this small patch and let me know:<br> <br> <a href="https://people.freebsd.org/~bz/tmp/20220825-01-lkpi-bssid.diff" rel="noreferrer noreferrer" target="_blank">https://people.freebsd.org/~bz/tmp/20220825-01-lkpi-bssid.diff</a><br>; <br> In theory this should be fine. But it does crash firmware on one of my<br> test machines reliably while other cards are okay. If the firmware crash<br> happens it should be in scan_to_auth with the backtrace after the firmware<br> register dump as below.<br> <br> It's a prereq for enabling some more of iwlwifi so it would be good<br> to know that it's a one-off problem here rather than more people seeing<br> my problem.<br> <br> <br> Bjoern<br> <br> <br> Sample backtrace:<br> <br> #0 0xffffffff80e5f85b at linux_dump_stack+0x1b<br> #1 0xffffffff8297c044 at iwl_trans_txq_send_hcmd+0x414<br> #2 0xffffffff829230fe at iwl_trans_send_cmd+0xce<br> #3 0xffffffff82963383 at iwl_mvm_send_cmd_status+0x53<br> #4 0xffffffff8296348f at iwl_mvm_send_cmd_pdu_status+0x4f<br> #5 0xffffffff8292baa6 at iwl_mvm_binding_update+0x216<br> #6 0xffffffff8293d42e at __iwl_mvm_assign_vif_chanctx+0x9e<br> #7 0xffffffff82939d28 at iwl_mvm_assign_vif_chanctx+0x68<br> #8 0xffffffff80e59df2 at lkpi_80211_mo_assign_vif_chanctx+0x22 <<<<br> #9 0xffffffff80e52dc9 at lkpi_sta_scan_to_auth+0x409 <<<<br> #10 0xffffffff80e595ed at lkpi_iv_newstate+0x27d<br> #11 0xffffffff80d93015 at ieee80211_newstate_cb+0x1f5<br> #12 0xffffffff80c4f8da at taskqueue_run_locked+0xaa<br> #13 0xffffffff80c50982 at taskqueue_thread_loop+0xc2<br> #14 0xffffffff80ba2e80 at fork_exit+0x80<br> #15 0xffffffff810a044e at fork_trampoline+0xe<br> <br> -- <br> Bjoern A. Zeeb r15:7<br> <br> </blockquote></div>help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAAUsrB415dE5ZA9d-rJjFvOjCsW3FbOPnwDT-j%2Bc2XRqTyqYsA>