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 A5AE0C32771 for ; Fri, 19 Aug 2022 11:28:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348674AbiHSL2j (ORCPT ); Fri, 19 Aug 2022 07:28:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348105AbiHSL2h (ORCPT ); Fri, 19 Aug 2022 07:28:37 -0400 Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 982C4A00DF for ; Fri, 19 Aug 2022 04:28:36 -0700 (PDT) Received: by mail-pg1-x52e.google.com with SMTP id 12so3495181pga.1 for ; Fri, 19 Aug 2022 04:28:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc; bh=1yzawvpM6psLELBlu3zNIRtMo+QXvcoHxz+DdrFs9Fo=; b=bCZpD8pZaB4yaFkyaLxpAxa6Jg2CpwJgjhQoSUaaiGa5ZqG1sTWmpCL356S/ld4xas uLRYYQB18EQ0TitBFQZvpDq84AxlTAEz53QiPZDylgqxIuBsHjHWJf63cZFVc8/ymnbr WDP3iBMRwqgxMebl1dG0MJ1bXAIh6na0IaoqhuzPB/YJ9VP8l923H5ZOsbx69AA3F4fZ QKTNaJMe0KVT883qU4VppTt4Of5zHYtc8we5NY9823MsHvkQlvpV8gWInRIPJ4FMxcLn VQHJo5jlVb+uhvlKwm+2Lj3EbNOP4wTCFcB8gQAZwAFIVXftgKKdEJzd/HzVJIGppct5 vxDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc; bh=1yzawvpM6psLELBlu3zNIRtMo+QXvcoHxz+DdrFs9Fo=; b=MvISV33OHIuqXNX91ydyv+/RB0Hw+SKRN27nSd96D5q+VK9wih0KL31loJ4hzTL7XM Fz7Q+zNzStz+effT4qC9FLiEPCtd6VvQcGXY8hCGlx5uzr24cZZFhRlRJkQA4cjpRorf fqiVNbLO5dWCQ+iVWSzoBAePbB+IHdxu0I50hG/nVRYKRox6R053saW+ajB1hKwwX8u5 c3NJB6v79qnBQ4rnqFaAERA91TUaSEoWIuMLKNbonve96lB0cixjeG6u4Kow1ILa0l6P 8dKlNeImtnUIc0/VZvVewgrc3duWAQFqcu68cvgqszms46irSqKi1kwwYtHHtG39SRGT oXVw== X-Gm-Message-State: ACgBeo1Me+A/Hs4SnAv5Fe2ltmETSXlr3YtSDYjkEySq1W4wk5UwKB8x sNfpehoLDsbdxG2Mul41i6M= X-Google-Smtp-Source: AA6agR4M++z361C7Ysh3/+kVqw72y+PXaLblq7d0d+KK7jFpBBdt3lDeTXucOXgVMHI0nMLj65aDnA== X-Received: by 2002:a05:6a00:a04:b0:534:d8a6:40ce with SMTP id p4-20020a056a000a0400b00534d8a640cemr7502238pfh.15.1660908515978; Fri, 19 Aug 2022 04:28:35 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id l11-20020a170902f68b00b001709aea1516sm2996120plg.276.2022.08.19.04.28.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Aug 2022 04:28:34 -0700 (PDT) Sender: Guenter Roeck Date: Fri, 19 Aug 2022 04:28:32 -0700 From: Guenter Roeck To: Isaac Manjarres Cc: Greg Kroah-Hartman , "Rafael J. Wysocki" , Ulf Hansson , Tomeu Vizoso , Russell King , Marek Szyprowski , Saravana Kannan , stable@kernel.org, kernel-team@android.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] driver core: Fix bus_type.match() error handling Message-ID: <20220819112832.GA3106213@roeck-us.net> References: <20220815211919.2028890-1-isaacmanjarres@google.com> <20220816042507.GB1108868@roeck-us.net> <20220816111311.GC1108868@roeck-us.net> <20220817010559.GA1880847@roeck-us.net> <20220818225932.GA3433999@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 18, 2022 at 05:38:15PM -0700, Isaac Manjarres wrote: > On Thu, Aug 18, 2022 at 03:59:32PM -0700, Guenter Roeck wrote: > > Requesting system reboot > > sd 0:0:0:0: [sda] Synchronizing SCSI cache > > ci_hdrc ci_hdrc.1: remove, state 4 > > usb usb2: USB disconnect, device number 1 > > ci_hdrc ci_hdrc.1: USB bus 2 deregistered > > ci_hdrc ci_hdrc.0: remove, state 1 > > usb usb1: USB disconnect, device number 1 > > usb 1-1: USB disconnect, device number 2 > > sd 0:0:0:0: [sda] Synchronizing SCSI cache > > sd 0:0:0:0: [sda] Synchronize Cache(10) failed: Result: hostbyte=0x01 driverbyte=DRIVER_OK > > > > [ stuck here until qemu is killed ] > > > Hi Guenter, > > I'm actually observing the behavior described above even without my patch. > The tip of my tree is currently at 573ae4f13f63 ("tee: add overflow check in > register_shm_helper()"). I used git bisect to find what commit was > causing the problem, and narrowed it down to this series[1]. > > I reverted all 4 patches in that series, and I no longer see this hang > with my tree. > > [1]: https://lore.kernel.org/all/20220712221936.1199196-1-bvanassche@acm.org/ > > Are these patches part of the tree you're using for testing and > observing this hang in? > Yes, you are correct. I also see the problem in the mainline kernel, at SHA 3b06a2755758, and with a large number of boots from usb drive in various arm emulations. Sorry for the confusion. Too many crashes :-(. Guenter