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Message-Id: <6085340.JSrffQ0Szo@localhost.localdomain> Date: Wed, 04 Jan 2017 11:32:42 +0530 From: Chandan Rajendra <chandan@...ux.vnet.ibm.com> To: Anton Blanchard <anton@...ba.org> Cc: jack@...e.cz, Michael Ellerman <mpe@...erman.id.au>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Paul Mackerras <paulus@...ba.org>, Stephen Rothwell <sfr@...b.auug.org.au>, axboe@...com, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org Subject: Re: ext4 filesystem corruption with 4.10-rc2 on ppc64le On Wednesday, January 04, 2017 04:18:08 PM Anton Blanchard wrote: > Hi, > > I'm consistently seeing ext4 filesystem corruption using a mainline > kernel. It doesn't take much to trigger it - download a ppc64le Ubuntu > cloud image, boot it in KVM and run: > > sudo apt-get update > sudo apt-get dist-upgrade > sudo reboot > > And it never makes it back up, dying with rather severe filesystem > corruption. Hi, The patch at https://patchwork.kernel.org/patch/9488235/ should fix the bug. > > I've narrowed it down to: > > 64e1c57fa474 ("ext4: Use clean_bdev_aliases() instead of iteration") > e64855c6cfaa ("fs: Add helper to clean bdev aliases under a bh and use it") > ce98321bf7d2 ("fs: Remove unmap_underlying_metadata") > > Backing these patches out fixes the issue. > > Anton > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- chandan -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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