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Sat, 9 Apr 2022 20:37:31 +0000 Received: by kubenode527.mail-prod1.omega.gq1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 12b666cd54d983777e52d819a3cef342; Sat, 09 Apr 2022 20:37:25 +0000 (UTC) Content-Type: text/plain; charset=us-ascii List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Subject: Re: Rpi3 panic, data abort with spinlock held on -current From: Mark Millard In-Reply-To: <20220409150242.GA55458@www.zefox.net> Date: Sat, 9 Apr 2022 13:37:24 -0700 Cc: Free BSD Content-Transfer-Encoding: 7bit Message-Id: <38809217-92FE-4A3C-9618-14186F466341@yahoo.com> References: <20220408230853.GA51713@www.zefox.net> <0E6E478E-2644-4EF4-B750-AB6CC5DD7AF7@yahoo.com> <88ca08fe-88ef-8ef2-a3e6-da13e068af74@selasky.org> <20220409150242.GA55458@www.zefox.net> To: bob prohaska , Hans Petter Selasky X-Mailer: Apple Mail (2.3654.120.0.1.13) X-Rspamd-Queue-Id: 4KbRkp24R2z4Sqg X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; 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MLMMJ_DEST(0.00)[freebsd-arm]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.64.84:from]; RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: N Status: O Content-Length: 917 Lines: 29 On 2022-Apr-9, at 08:02, bob prohaska wrote: > On Sat, Apr 09, 2022 at 09:47:34AM +0200, Hans Petter Selasky wrote: >> On 4/9/22 02:15, Mark Millard wrote: >>> generic_bs_rr_4() at generic_bs_rr_4+0xc >>> dwc_otg_interrupt_poll_locked() at dwc_otg_interrupt_poll_locked+0x69c >>> dwc_otg_filter_interrupt() at dwc_otg_filter_interrupt+0x130 >>> intr_event_handle() at intr_event_handle+0xf0 > >> >> Is it possible to get and verify the arguments for generic_bs_rr_4() ? >> >> My guess is that the destination buffer is no longer available. >> > > That particular panic hasn't repeated, yet. If it does repeat I can > try with sufficient instruction. > I do not know if just working from the ddb> prompt would be sufficient. May be code changes are needed to set up the context to examine? If so, then getting those in place would be appropriate. === Mark Millard marklmi at yahoo.com