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Groups > linux.kernel > #1549309
| From | Jan Kara <jack@suse.cz> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: LTP rwtest01 blocks on DAX mountpoint |
| Date | 2017-01-02 18:20 +0100 |
| Message-ID | <sVer7-1K6-15@gated-at.bofh.it> (permalink) |
| References | <sRSn7-67J-5@gated-at.bofh.it> <sU1Pj-2xO-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri 30-12-16 17:33:53, Xiong Zhou wrote: > On Sat, Dec 24, 2016 at 07:07:14PM +0800, Xiong Zhou wrote: > > Hi lists, > > > > Since around 20161129 tag, LTP rwtest01 on dax mountpoint blocks > > on linux-next tree, now on Linus tree. > > > > In "normal", rwtest01 subcase ends in a few minutes, now it keeps > > running for hours on dax mountpoint, both ext4 and xfs. Ctrl + c > > can interrupt it. > > Test programme is waiting for a memcpy call to return. > > From sysrq output, kernel code is not blocking on somewhere, > it just wont return. I was trying to reproduce this but for me rwtest01 completes just fine on dax mountpoint (I've used your reproducer). So can you sample several kernel stack traces to get a rough idea where the kernel is running? Thanks! Honza -- Jan Kara <jack@suse.com> SUSE Labs, CR
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LTP rwtest01 blocks on DAX mountpoint Xiong Zhou <xzhou@redhat.com> - 2016-12-24 12:10 +0100
Re: LTP rwtest01 blocks on DAX mountpoint Xiong Zhou <xzhou@redhat.com> - 2016-12-30 10:40 +0100
Re: LTP rwtest01 blocks on DAX mountpoint Jan Kara <jack@suse.cz> - 2017-01-02 11:20 +0100
Re: LTP rwtest01 blocks on DAX mountpoint Jan Kara <jack@suse.cz> - 2017-01-02 18:20 +0100
Re: LTP rwtest01 blocks on DAX mountpoint Ross Zwisler <ross.zwisler@linux.intel.com> - 2017-01-03 05:00 +0100
Re: LTP rwtest01 blocks on DAX mountpoint Xiong Zhou <xzhou@redhat.com> - 2017-01-03 07:50 +0100
Re: LTP rwtest01 blocks on DAX mountpoint Ross Zwisler <ross.zwisler@linux.intel.com> - 2017-01-03 18:00 +0100
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