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Message-ID: <20120210192416.GW1426@atomide.com>
Date: Fri, 10 Feb 2012 11:24:16 -0800
From: Tony Lindgren <tony@...mide.com>
To: Tarun Kanti DebBarma <tarun.kanti@...com>
Cc: linux-omap@...r.kernel.org, grant.likely@...retlab.ca,
khilman@...com, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v9 00/25] gpio/omap: driver cleanup and fixes
Hi Tarun,
* Tarun Kanti DebBarma <tarun.kanti@...com> [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 : [<c02e78f8>] lr : [<c02e78f8>] 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
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