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Message-ID: <5041CA39.7080401@profihost.ag> Date: Sat, 01 Sep 2012 10:41:29 +0200 From: Stefan Priebe <s.priebe@...fihost.ag> To: Theodore Ts'o <tytso@....edu> CC: Jan Kara <jack@...e.cz>, stable@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>, adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org Subject: Re: ext4 hung tasks in linux-stable 3.0.41 Am 31.08.2012 19:59, schrieb Theodore Ts'o: > On Fri, Aug 31, 2012 at 11:28:59AM +0200, Jan Kara wrote: >>> >>> Is this problem known? Or is there a fix for 3.0.X available? >> From a quick look, processes are waiting for IO so it may be that your >> disk is just loaded... Did it start happening after some change? Or do you >> experience unexpectedly low performance? > > All of the processes waiting for I/O are waiting for a directory > block. This makes me suspicious that perhaps an interrupt or I/O > request got lost. > > Is this a repeatable failure, and is the stack traces always the same? > > If so, you might want to try running badblocks on the device and make > sure that hardware issues have been ruled out. But but SMART is OK and i see no I/O errors from AHCI. But i'll try to replace the disk and see if this fixes it. Stefan -- 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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