Re: kern/54541: kernel panic using "zfs diff"

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

The following reply was made to PR kern/54541; it has been noted by GNATS.

From: Patrick Welche <prlw1%cam.ac.uk@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/54541: kernel panic using "zfs diff"
Date: Tue, 10 Sep 2019 16:22:32 +0100

 > data-cc/pkgsrc   559M  30.2G   559M  /usr/pkgsrc
 ...
 I tried to reproduce this, but got stuck earlier:
 
   zfs create bpi/pkgsrc
   cd /bpi/pkgsrc
   ftp http://cdn.netbsd.org/pub/pkgsrc/current/pkgsrc.tar.bz2
   tar xzf pkgsrc.tar.bz2
   cd pkgsrc; mv * .. ; cd ..; rmdir pkgsrc
   zfs snapshot bpi/pkgsrc@orig
   cvs -z3 update -Pd
 
 and the update doesn't finish
 
 cvs update: Updating x11/zenity/patches
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
   880     1 root      85 zfscv/3    0:55  0.00%  0.00% -         cvs
   611     1 prlw      85 select/0   0:14  0.00%  0.00% -         sshd
     0   137 root     124 syncer/0   0:04  0.00%  0.00% ioflush   [system]
     0   223 root      96 zfscv/3    0:03  0.00%  0.00% zfs       [system]
     0   130 root     221 raidio/0   0:02  0.00%  0.00% raidio0   [system]
     0   362 root     127 zfscv/7    0:01  0.00%  0.00% zio_write [system]
     0   364 root     127 zfscv/2    0:01  0.00%  0.00% zio_write [system]
     0   363 root     127 zfscv/0    0:01  0.00%  0.00% zio_write [system]
     0   371 root     127 zfscv/2    0:01  0.00%  0.00% zio_write [system]
     0   370 root     127 zfscv/3    0:01  0.00%  0.00% zio_write [system]
     0   374 root     127 zfscv/1    0:01  0.00%  0.00% zio_write [system]
     0   372 root     127 zfscv/0    0:01  0.00%  0.00% zio_write [system]
     0   373 root     127 zfscv/7    0:01  0.00%  0.00% zio_write [system]
     0   376 root     126 zfscv/7    0:01  0.00%  0.00% zio_write [system]
     0   375 root     126 zfscv/6    0:01  0.00%  0.00% zio_write [system]
     0   369 root     126 zfscv/3    0:01  0.00%  0.00% zio_write [system]
     0   368 root     126 zfscv/4    0:01  0.00%  0.00% zio_write [system]
     0   367 root     126 zfscv/7    0:01  0.00%  0.00% zio_write [system]
     0   382 root     126 zfscv/2    0:01  0.00%  0.00% zio_write [system]
   337     1 root      85 select/2   0:01  0.00%  0.00% -         ssh
     0   173 root      43 atafin/1   0:01  0.00%  0.00% vdevsync  [system]
     0   170 root      43 atafin/3   0:01  0.00%  0.00% vdevsync  [system]