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Re: handling device or resource busy errors.

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: handling device or resource busy errors.
From: Ed Peschko <horos22@xxxxxxxxx>
Date: Wed, 9 Dec 2015 23:58:41 -0800
Cc: xfs@xxxxxxxxxxx
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In-reply-to: <20151210021343.GI19802@dastard>
References: <CACQ+YcuwWv8g5zHk2sMfN_uRPGnW8Xb8WT6NGOLGigN2+0Toag@xxxxxxxxxxxxxx> <20151210021343.GI19802@dastard>
Dave,

futex comes from doing a simple strace, which showed the futex as the call that was being blocked. My fear is that it is a holdover from an old, dead process; we went through eachÂprocess on the system and lsof -p'd it, didn't see anything.

Thanks for the suggestion of sysrq btw, I'll try that the next time I have access to the box, but waiting doesn't help.Also, ÂI don't see in sysrq the actual ability to *kill* wayward locks however; but it will a great help us track down the underlying issue.

Thanks,

Ed

The one thing I don't see in sysrq is a way toÂ
As for sys
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