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Re: kern/51275



The following reply was made to PR kern/51275; it has been noted by GNATS.

From: coypu%SDF.ORG@localhost
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/51275
Date: Wed, 3 Aug 2016 17:42:41 +0000

 Note that this isn't "LFS wedges", but "LFS wedges forever, and no
 writes will ever succeed"
 
 sync is irrelevant here.
 
 I've noted that the cleaner died when doing the big write (using crash
 and then ps/l |grep lfs, I didn't see the cleaner)
 
 After reboot:
 
 Cleaner trace wedges:
 crash> bt/a fffffe8132d42b60
 trace: pid 167 lid 1 at 0xfffffe80412888a0
 sleepq_block() at sleepq_block+0x97
 mtsleep() at mtsleep+0x102
 lfs_reserveavail.isra.2() at lfs_reserveavail.isra.2+0x173
 lfs_reserve() at lfs_reserve+0x140
 lfs_truncate() at lfs_truncate+0x162
 ulfs_inactive() at ulfs_inactive+0x11b
 VOP_INACTIVE() at VOP_INACTIVE+0x55
 vrelel() at vrelel+0x259
 lfs_bmapv() at lfs_bmapv+0x2a8
 lfs_fcntl() at lfs_fcntl+0xbcd
 VOP_FCNTL() at VOP_FCNTL+0x59
 sys_fcntl() at sys_fcntl+0x375
 syscall() at syscall+0x15b
 --- syscall (number 92) ---
 79468ce3dcba:
 
 All things hang there.
 


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