From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH v9 00/25] gpio/omap: driver cleanup and fixes Date: Fri, 10 Feb 2012 11:24:16 -0800 Message-ID: <20120210192416.GW1426@atomide.com> References: <1328203851-20435-1-git-send-email-tarun.kanti@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1328203851-20435-1-git-send-email-tarun.kanti@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Tarun Kanti DebBarma Cc: linux-omap@vger.kernel.org, grant.likely@secretlab.ca, khilman@ti.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org Hi Tarun, * Tarun Kanti DebBarma [120202 09:00]: > > Used following patches to avoid exception during system suspend:- > [PATCH RFC 1/2] mtd : Prevent the NULL pointer access > [PATCH RFC 2/2] mtd : Make the mtd_suspend return 0 if the suspend is not implemented OK so MTD fixes those are supposedly going in during the -rc cycle.. > # echo mem > /sys/power/state > [ 47.128021] PM: Syncing filesystems ... done. > [ 47.144104] Freezing user space processes ... (elapsed 0.01 seconds) done. > [ 47.168243] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) don e. > [ 47.205139] Unable to handle kernel NULL pointer dereference at virtual addre ss 000000a0 > [ 47.213317] pgd = deaac000 > [ 47.216033] [000000a0] *pgd=9e932831, *pte=00000000, *ppte=00000000 > [ 47.222381] Internal error: Oops: 17 [#1] SMP > [ 47.226745] Modules linked in: > [ 47.229827] CPU: 0 Not tainted (3.3.0-rc2-00031-g12c5c5c #235) > [ 47.236022] PC is at mtd_cls_suspend+0x8/0x20 > [ 47.240386] LR is at mtd_cls_suspend+0x8/0x20 > [ 47.244750] pc : [] lr : [] psr: a0000013 > [ 47.244750] sp : dea1fe60 ip : 22222222 fp : c0ee7d40 > [ 47.256256] r10: c0ee7cf0 r9 : 00000000 r8 : c02e78f0 > [ 47.261474] r7 : 00000000 r6 : 00000000 r5 : 00000002 r4 : dea45800 > [ 47.268005] r3 : deb4cac0 r2 : 00000000 r1 : 00000002 r0 : 00000000 > [ 47.274536] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user > [ 47.281677] Control: 10c5387d Table: 9eaac019 DAC: 00000015 > [ 47.287445] Process sh (pid: 1177, stack limit = 0xdea1e2f8) > [ 47.293090] Stack: (0xdea1fe60 to 0xdea20000) > [...] ..but are there also some patches in your series that should also be applied separately as fixes for the -rc cycle? Regards, Tony