From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B1750ECAAD5 for ; Fri, 2 Sep 2022 13:18:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:In-Reply-To: Date:References:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ChUfRsfD8L+7SwCVbWcoFqSYrMGEp01OgsJ8XSB78n0=; b=s63eZ4edi5YUEk 7f0hrt8ngXovDhNjjuGKwrMAgZ/LZ+twOj/yS7MavNqEjNYfzKd3+UrXYwr41D2yGSptqnZAgPBCJ f6wDhUdl8rITzdfjDbVIu/ezI+CqmdpMUb7i4ObjCYNfOHb6EJBFKJwMPqkD2B2Uq2N5Mz/6mzb2d aGz4X1oy9bhjG6D7z0GUAVZt1GbrexhTHtIsDveP28bpsQGCKFNKx8/08dzxQH8J0p/sgZtSPn9Kv wr6v2mSo2Vgqspz/r826cBlk2WfGKBTncrKV1Sxo9SGJwMpDITE6jfuYGKElzSzZ5gGX1VPDZn/PB 8kUwJ4OhzCdZG/A0K2WQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU6ZP-0051N0-Rz; Fri, 02 Sep 2022 13:18:51 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU6ZN-0051Lj-Fu for ath11k@lists.infradead.org; Fri, 02 Sep 2022 13:18:51 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BE4F161E87; Fri, 2 Sep 2022 13:18:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4E82FC433C1; Fri, 2 Sep 2022 13:18:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662124728; bh=U+StfWjaJx3Q8pTb5xgTAcDWSj97c67HkNE7F9KvhiM=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=dpuUrhRfChfa0AzcGf5dgsU9gienDb6agiTs8/SXnbLh7plzJf+a5SzoIywT2/EaR Sa5TqC9v3UUX18BT+9P0KYX9Kg2cHZCulXO9WBOIugJqIKFB3+Sw5dixOYBIKFGiwa iTsw5/Qn6p8mhHOiNc01P2zCIy1qvo6yAIUF9CAdaDgOpZJmDleUEbG+AE74a0RRdo W2bJUCxq/dx1OoQpNMmMkVcC3SRMmQxrivyXifWPEM/AOjDQSp61FxD2WDk8n9N6fp 6U8IjkvMBGJSvv1davQvvEKY/DMaKoDLUpw8kSQIciRSqujDSjvJjVCb9eUDij0SiL RAc7HJ5jZXxqA== From: Kalle Valo To: Manikanta Pubbisetty Cc: , Subject: Re: [PATCH v2 3/4] ath11k: Enable low power mode when WLAN is not active References: <20220825111818.30869-1-quic_mpubbise@quicinc.com> <20220825111818.30869-4-quic_mpubbise@quicinc.com> <874jxsdeov.fsf@kernel.org> Date: Fri, 02 Sep 2022 16:18:43 +0300 In-Reply-To: (Manikanta Pubbisetty's message of "Thu, 1 Sep 2022 13:43:05 +0530") Message-ID: <874jxpc3t8.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220902_061849_624693_73F5FF41 X-CRM114-Status: GOOD ( 17.32 ) X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath11k" Errors-To: ath11k-bounces+ath11k=archiver.kernel.org@lists.infradead.org Manikanta Pubbisetty writes: > On 8/31/2022 1:31 PM, Kalle Valo wrote: > >> With this patch 3 my regression tests on WCN6855 panic: >> >> [ 109.009427] rmmod ath11k_pci >> [ 109.437120] kworker/dying (1560) used greatest stack depth: 24704 bytes left >> [ 109.446051] general protection fault, probably for non-canonical >> address 0xdffffc000000003e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC >> KASAN >> [ 109.446133] KASAN: null-ptr-deref in range >> [0x00000000000001f0-0x00000000000001f7] >> [ 109.446211] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.0.0-rc2-wt-ath+ #683 >> [ 109.446315] Hardware name: Intel(R) Client Systems >> NUC8i7HVK/NUC8i7HVB, BIOS HNKBLi70.86A.0067.2021.0528.1339 >> 05/28/2021 >> [ 109.446393] RIP: 0010:ath11k_dp_process_rxdma_err+0x1c8/0x810 [ath11k] >> [ 109.446486] Code: d2 48 63 d8 48 8b 4c 24 38 48 8d 04 5b 48 c1 e0 >> 04 48 8d bc 01 f4 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 >> c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 >> 0f 85 aa >> [ 109.446557] RSP: 0018:ffffc90000007b90 EFLAGS: 00010203 >> [ 109.446619] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 >> [ 109.446677] RDX: 000000000000003e RSI: 0000000000000000 RDI: 00000000000001f4 >> [ 109.446734] RBP: 0000000000000000 R08: ffff88814c0e1470 R09: ffff88814c0f6678 >> [ 109.446792] R10: dffffc0000000000 R11: ffffed102981ecd0 R12: 0000000000000000 >> [ 109.446903] R13: 0000000000000040 R14: 1ffff92000000f81 R15: ffff88814c0e0000 >> [ 109.446961] FS: 0000000000000000(0000) GS:ffff888233600000(0000) >> knlGS:0000000000000000 >> [ 109.447020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 109.447080] CR2: 000055570fe84cc8 CR3: 0000000152540006 CR4: 00000000003706f0 >> [ 109.447136] Call Trace: >> [ 109.447194] >> [ 109.447257] ? ath11k_dp_process_reo_status+0x3ce/0x560 [ath11k] >> [ 109.447349] ? ath11k_dp_rx_process_wbm_err+0x17d0/0x17d0 [ath11k] >> [ 109.447442] ath11k_dp_service_srng+0x358/0xab0 [ath11k] >> [ 109.447536] ath11k_pcic_ext_grp_napi_poll+0x40/0x1d0 [ath11k] >> [ 109.447628] __napi_poll.constprop.0+0x97/0x350 >> [ 109.447690] net_rx_action+0x7bf/0xbb0 >> [ 109.447749] ? __napi_poll.constprop.0+0x350/0x350 >> [ 109.447831] ? ktime_get+0x101/0x2f0 >> [ 109.447911] __do_softirq+0x1ca/0x897 >> [ 109.447989] __irq_exit_rcu+0xdb/0x180 >> [ 109.448049] irq_exit_rcu+0x5/0x20 >> [ 109.448109] sysvec_apic_timer_interrupt+0x8a/0xb0 >> [ 109.448168] >> [ 109.448226] >> [ 109.448284] asm_sysvec_apic_timer_interrupt+0x16/0x20 >> [ 109.448343] RIP: 0010:cpuidle_enter_state+0x1ef/0x9a0 >> [ 109.448407] Code: 00 00 8b 73 04 bf ff ff ff ff e8 8c f0 ff ff 31 >> ff e8 75 16 47 fe 80 7c 24 08 00 0f 85 a1 01 00 00 e8 75 7d 6a fe fb >> 45 85 f6 <0f> 88 6f 02 00 00 4d 63 ee 4b 8d 44 6d 00 49 8d 44 85 00 >> 48 8d 7c >> [ 109.448477] RSP: 0018:ffffffffb9407db8 EFLAGS: 00000202 >> [ 109.448540] RAX: 0000000000124987 RBX: ffff888114966400 RCX: 1ffffffff738a3e1 >> [ 109.448600] RDX: 0000000000000000 RSI: ffffffffb8a71bc0 RDI: ffffffffb8bec9c0 >> [ 109.448659] RBP: ffffffffb986efa0 R08: 0000000000000001 R09: ffffffffb9c54717 >> [ 109.448715] R10: fffffbfff738a8e2 R11: 00000000000002ec R12: 000000197b7a6a19 >> [ 109.448774] R13: 0000000000000002 R14: 0000000000000002 R15: ffff888114966404 >> [ 109.448871] ? cpuidle_enter_state+0x1eb/0x9a0 >> [ 109.448947] ? finish_task_switch.isra.0+0x120/0x870 >> [ 109.449006] cpuidle_enter+0x45/0xa0 >> [ 109.449065] cpuidle_idle_call+0x274/0x3f0 >> [ 109.449125] ? arch_cpu_idle_exit+0x30/0x30 >> [ 109.449187] ? tsc_verify_tsc_adjust+0x86/0x2d0 >> [ 109.449247] ? lockdep_hardirqs_off+0x90/0xd0 >> [ 109.449306] do_idle+0xe0/0x140 >> [ 109.449363] cpu_startup_entry+0x14/0x20 >> [ 109.449423] rest_init+0x135/0x1e0 >> [ 109.449482] arch_call_rest_init+0xa/0xb >> [ 109.449542] start_kernel+0x391/0x3af >> [ 109.449606] secondary_startup_64_no_verify+0xce/0xdb >> [ 109.449671] >> [ 109.449729] Modules linked in: ath11k_pci(-) ath11k mac80211 >> libarc4 cfg80211 qmi_helpers qrtr_mhi mhi qrtr nvme nvme_core >> [ 109.449846] ---[ end trace 0000000000000000 ]--- >> [ 109.449927] RIP: 0010:ath11k_dp_process_rxdma_err+0x1c8/0x810 [ath11k] >> [ 109.450073] Code: d2 48 63 d8 48 8b 4c 24 38 48 8d 04 5b 48 c1 e0 >> 04 48 8d bc 01 f4 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 >> c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 >> 0f 85 aa >> [ 109.450147] RSP: 0018:ffffc90000007b90 EFLAGS: 00010203 >> [ 109.450212] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 >> [ 109.450275] RDX: 000000000000003e RSI: 0000000000000000 RDI: 00000000000001f4 >> [ 109.450337] RBP: 0000000000000000 R08: ffff88814c0e1470 R09: ffff88814c0f6678 >> [ 109.450401] R10: dffffc0000000000 R11: ffffed102981ecd0 R12: 0000000000000000 >> [ 109.450465] R13: 0000000000000040 R14: 1ffff92000000f81 R15: ffff88814c0e0000 >> [ 109.450531] FS: 0000000000000000(0000) GS:ffff888233600000(0000) >> knlGS:0000000000000000 >> [ 109.450595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 109.450661] CR2: 000055570fe84cc8 CR3: 0000000152540006 CR4: 00000000003706f0 >> [ 109.450723] Kernel panic - not syncing: Fatal exception in interrupt >> [ 109.450794] Kernel Offset: 0x34e00000 from 0xffffffff81000000 >> (relocation range: 0xffffffff80000000-0xffffffffbfffffff) >> [ 109.450837] Rebooting in 10 seconds.. > > Thanks for the report. From the logs, I see the system crashed during > rmmod ath11k_pci. I have run rmmod & insmod tests several times on > WCN6855 before sending the revised version. Probably some tests before > rmmod would have led to this crash. Could you please let me know what > tests does the regression suite covers? I'll try repro the bug. This is early in the tests, IIRC there was only insmod followed by rmmod. Do you have KASAN etc enabled? -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches -- ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15014ECAAD5 for ; Fri, 2 Sep 2022 13:44:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235526AbiIBNoI (ORCPT ); Fri, 2 Sep 2022 09:44:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237773AbiIBNnN (ORCPT ); Fri, 2 Sep 2022 09:43:13 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED13BF5A4 for ; Fri, 2 Sep 2022 06:19:53 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 88E14B82A9D for ; Fri, 2 Sep 2022 13:18:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4E82FC433C1; Fri, 2 Sep 2022 13:18:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662124728; bh=U+StfWjaJx3Q8pTb5xgTAcDWSj97c67HkNE7F9KvhiM=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=dpuUrhRfChfa0AzcGf5dgsU9gienDb6agiTs8/SXnbLh7plzJf+a5SzoIywT2/EaR Sa5TqC9v3UUX18BT+9P0KYX9Kg2cHZCulXO9WBOIugJqIKFB3+Sw5dixOYBIKFGiwa iTsw5/Qn6p8mhHOiNc01P2zCIy1qvo6yAIUF9CAdaDgOpZJmDleUEbG+AE74a0RRdo W2bJUCxq/dx1OoQpNMmMkVcC3SRMmQxrivyXifWPEM/AOjDQSp61FxD2WDk8n9N6fp 6U8IjkvMBGJSvv1davQvvEKY/DMaKoDLUpw8kSQIciRSqujDSjvJjVCb9eUDij0SiL RAc7HJ5jZXxqA== From: Kalle Valo To: Manikanta Pubbisetty Cc: , Subject: Re: [PATCH v2 3/4] ath11k: Enable low power mode when WLAN is not active References: <20220825111818.30869-1-quic_mpubbise@quicinc.com> <20220825111818.30869-4-quic_mpubbise@quicinc.com> <874jxsdeov.fsf@kernel.org> Date: Fri, 02 Sep 2022 16:18:43 +0300 In-Reply-To: (Manikanta Pubbisetty's message of "Thu, 1 Sep 2022 13:43:05 +0530") Message-ID: <874jxpc3t8.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Manikanta Pubbisetty writes: > On 8/31/2022 1:31 PM, Kalle Valo wrote: > >> With this patch 3 my regression tests on WCN6855 panic: >> >> [ 109.009427] rmmod ath11k_pci >> [ 109.437120] kworker/dying (1560) used greatest stack depth: 24704 bytes left >> [ 109.446051] general protection fault, probably for non-canonical >> address 0xdffffc000000003e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC >> KASAN >> [ 109.446133] KASAN: null-ptr-deref in range >> [0x00000000000001f0-0x00000000000001f7] >> [ 109.446211] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.0.0-rc2-wt-ath+ #683 >> [ 109.446315] Hardware name: Intel(R) Client Systems >> NUC8i7HVK/NUC8i7HVB, BIOS HNKBLi70.86A.0067.2021.0528.1339 >> 05/28/2021 >> [ 109.446393] RIP: 0010:ath11k_dp_process_rxdma_err+0x1c8/0x810 [ath11k] >> [ 109.446486] Code: d2 48 63 d8 48 8b 4c 24 38 48 8d 04 5b 48 c1 e0 >> 04 48 8d bc 01 f4 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 >> c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 >> 0f 85 aa >> [ 109.446557] RSP: 0018:ffffc90000007b90 EFLAGS: 00010203 >> [ 109.446619] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 >> [ 109.446677] RDX: 000000000000003e RSI: 0000000000000000 RDI: 00000000000001f4 >> [ 109.446734] RBP: 0000000000000000 R08: ffff88814c0e1470 R09: ffff88814c0f6678 >> [ 109.446792] R10: dffffc0000000000 R11: ffffed102981ecd0 R12: 0000000000000000 >> [ 109.446903] R13: 0000000000000040 R14: 1ffff92000000f81 R15: ffff88814c0e0000 >> [ 109.446961] FS: 0000000000000000(0000) GS:ffff888233600000(0000) >> knlGS:0000000000000000 >> [ 109.447020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 109.447080] CR2: 000055570fe84cc8 CR3: 0000000152540006 CR4: 00000000003706f0 >> [ 109.447136] Call Trace: >> [ 109.447194] >> [ 109.447257] ? ath11k_dp_process_reo_status+0x3ce/0x560 [ath11k] >> [ 109.447349] ? ath11k_dp_rx_process_wbm_err+0x17d0/0x17d0 [ath11k] >> [ 109.447442] ath11k_dp_service_srng+0x358/0xab0 [ath11k] >> [ 109.447536] ath11k_pcic_ext_grp_napi_poll+0x40/0x1d0 [ath11k] >> [ 109.447628] __napi_poll.constprop.0+0x97/0x350 >> [ 109.447690] net_rx_action+0x7bf/0xbb0 >> [ 109.447749] ? __napi_poll.constprop.0+0x350/0x350 >> [ 109.447831] ? ktime_get+0x101/0x2f0 >> [ 109.447911] __do_softirq+0x1ca/0x897 >> [ 109.447989] __irq_exit_rcu+0xdb/0x180 >> [ 109.448049] irq_exit_rcu+0x5/0x20 >> [ 109.448109] sysvec_apic_timer_interrupt+0x8a/0xb0 >> [ 109.448168] >> [ 109.448226] >> [ 109.448284] asm_sysvec_apic_timer_interrupt+0x16/0x20 >> [ 109.448343] RIP: 0010:cpuidle_enter_state+0x1ef/0x9a0 >> [ 109.448407] Code: 00 00 8b 73 04 bf ff ff ff ff e8 8c f0 ff ff 31 >> ff e8 75 16 47 fe 80 7c 24 08 00 0f 85 a1 01 00 00 e8 75 7d 6a fe fb >> 45 85 f6 <0f> 88 6f 02 00 00 4d 63 ee 4b 8d 44 6d 00 49 8d 44 85 00 >> 48 8d 7c >> [ 109.448477] RSP: 0018:ffffffffb9407db8 EFLAGS: 00000202 >> [ 109.448540] RAX: 0000000000124987 RBX: ffff888114966400 RCX: 1ffffffff738a3e1 >> [ 109.448600] RDX: 0000000000000000 RSI: ffffffffb8a71bc0 RDI: ffffffffb8bec9c0 >> [ 109.448659] RBP: ffffffffb986efa0 R08: 0000000000000001 R09: ffffffffb9c54717 >> [ 109.448715] R10: fffffbfff738a8e2 R11: 00000000000002ec R12: 000000197b7a6a19 >> [ 109.448774] R13: 0000000000000002 R14: 0000000000000002 R15: ffff888114966404 >> [ 109.448871] ? cpuidle_enter_state+0x1eb/0x9a0 >> [ 109.448947] ? finish_task_switch.isra.0+0x120/0x870 >> [ 109.449006] cpuidle_enter+0x45/0xa0 >> [ 109.449065] cpuidle_idle_call+0x274/0x3f0 >> [ 109.449125] ? arch_cpu_idle_exit+0x30/0x30 >> [ 109.449187] ? tsc_verify_tsc_adjust+0x86/0x2d0 >> [ 109.449247] ? lockdep_hardirqs_off+0x90/0xd0 >> [ 109.449306] do_idle+0xe0/0x140 >> [ 109.449363] cpu_startup_entry+0x14/0x20 >> [ 109.449423] rest_init+0x135/0x1e0 >> [ 109.449482] arch_call_rest_init+0xa/0xb >> [ 109.449542] start_kernel+0x391/0x3af >> [ 109.449606] secondary_startup_64_no_verify+0xce/0xdb >> [ 109.449671] >> [ 109.449729] Modules linked in: ath11k_pci(-) ath11k mac80211 >> libarc4 cfg80211 qmi_helpers qrtr_mhi mhi qrtr nvme nvme_core >> [ 109.449846] ---[ end trace 0000000000000000 ]--- >> [ 109.449927] RIP: 0010:ath11k_dp_process_rxdma_err+0x1c8/0x810 [ath11k] >> [ 109.450073] Code: d2 48 63 d8 48 8b 4c 24 38 48 8d 04 5b 48 c1 e0 >> 04 48 8d bc 01 f4 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 >> c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 >> 0f 85 aa >> [ 109.450147] RSP: 0018:ffffc90000007b90 EFLAGS: 00010203 >> [ 109.450212] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 >> [ 109.450275] RDX: 000000000000003e RSI: 0000000000000000 RDI: 00000000000001f4 >> [ 109.450337] RBP: 0000000000000000 R08: ffff88814c0e1470 R09: ffff88814c0f6678 >> [ 109.450401] R10: dffffc0000000000 R11: ffffed102981ecd0 R12: 0000000000000000 >> [ 109.450465] R13: 0000000000000040 R14: 1ffff92000000f81 R15: ffff88814c0e0000 >> [ 109.450531] FS: 0000000000000000(0000) GS:ffff888233600000(0000) >> knlGS:0000000000000000 >> [ 109.450595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> [ 109.450661] CR2: 000055570fe84cc8 CR3: 0000000152540006 CR4: 00000000003706f0 >> [ 109.450723] Kernel panic - not syncing: Fatal exception in interrupt >> [ 109.450794] Kernel Offset: 0x34e00000 from 0xffffffff81000000 >> (relocation range: 0xffffffff80000000-0xffffffffbfffffff) >> [ 109.450837] Rebooting in 10 seconds.. > > Thanks for the report. From the logs, I see the system crashed during > rmmod ath11k_pci. I have run rmmod & insmod tests several times on > WCN6855 before sending the revised version. Probably some tests before > rmmod would have led to this crash. Could you please let me know what > tests does the regression suite covers? I'll try repro the bug. This is early in the tests, IIRC there was only insmod followed by rmmod. Do you have KASAN etc enabled? -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches