Re: dump trying to access incorrect block numbers?

2017-07-12 Thread Mark Millard
I have extracted material from the list-exchanges related to this and submitted: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220693 against the kernel for the issue. I placed emphasis on the SSD-trim related "freeing free block" panics that "fsck -B" can lead to after it gets the g_vfs_don

Re: dump trying to access incorrect block numbers?

2017-07-08 Thread Rodney W. Grimes
> On 07/08/17 12:28, Rodney W. Grimes wrote: > > > Since it has been speculated that this is occuring during the > > creation of the snapshot, could you try just creating a snapshot > > using mksnap_ffs and see if any errors occur? > > After a short pause with disk activity, the same sorts of err

Re: dump trying to access incorrect block numbers?

2017-07-08 Thread Mark Millard
[A normal multi-user boot's fsck activity can do fsck -B activity that gets the problem.] On 2017-Jul-8, at 9:45 AM, Mark Millard wrote: > [I add notes about a problem that happens after the > "fsck -B". Also forgot to mention: production style > kernel world builds were in use. And a tried a

Re: dump trying to access incorrect block numbers?

2017-07-08 Thread Mark Millard
[I add notes about a problem that happens after the "fsck -B". Also forgot to mention: production style kernel world builds were in use. And a tried a powerpc64 build and it works the same.] On 2017-Jul-7, at 11:09 PM, Mark Millard wrote: > [This note has more information than one sent with ext

Re: dump trying to access incorrect block numbers?

2017-07-08 Thread Rodney W. Grimes
> On 07/07/17 21:53, Peter Jeremy wrote: > > On 2017-Jul-07 10:44:36 -0400, Michael Butler > > wrote: > >> Recent builds doing a backup (dump) cause nonsensical errors in syslog: > > > > I can't directly offer any ideas but some more background might help: > > When did you first notice this (wha

Re: dump trying to access incorrect block numbers?

2017-07-08 Thread Michael Butler
On 07/08/17 12:28, Rodney W. Grimes wrote: Since it has been speculated that this is occuring during the creation of the snapshot, could you try just creating a snapshot using mksnap_ffs and see if any errors occur? After a short pause with disk activity, the same sorts of errors are logged w

Re: dump trying to access incorrect block numbers?

2017-07-07 Thread Mark Millard
[This note has more information than one sent with extra text in the subject but with a partially different "to" list.] Peter Jeremy peter at rulingia.com wrote on Sat Jul 8 02:00:47 UTC 2017 : > When did you first notice this (what SVN revision)? > Do you know what the last good SVN revision was

Re: dump trying to access incorrect block numbers?

2017-07-07 Thread Michael Butler
On 07/07/17 21:53, Peter Jeremy wrote: On 2017-Jul-07 10:44:36 -0400, Michael Butler wrote: Recent builds doing a backup (dump) cause nonsensical errors in syslog: I can't directly offer any ideas but some more background might help: When did you first notice this (what SVN revision)? I wa

Re: dump trying to access incorrect block numbers?

2017-07-07 Thread Peter Jeremy
On 2017-Jul-07 10:44:36 -0400, Michael Butler wrote: >Recent builds doing a backup (dump) cause nonsensical errors in syslog: I can't directly offer any ideas but some more background might help: When did you first notice this (what SVN revision)? Do you know what the last good SVN revision was?

Re: dump trying to access incorrect block numbers? [It is not just dump that can get such]

2017-07-07 Thread Mark Millard
On 2017-Jul-7, at 4:49 PM, Michael Butler wrote: > On 07/07/17 19:02, Mark Millard wrote: >> Michael Butler imb at protected-networks.net wrote on >> Fri Jul 7 14:45:12 UTC 2017 : >>> Recent builds doing a backup (dump) cause nonsensical errors in syslog: >>> >>> Jul 7 00:10:24 toshi kernel:

Re: dump trying to access incorrect block numbers? [It is not just dump that can get such]

2017-07-07 Thread Michael Butler
On 07/07/17 19:02, Mark Millard wrote: Michael Butler imb at protected-networks.net wrote on Fri Jul 7 14:45:12 UTC 2017 : Recent builds doing a backup (dump) cause nonsensical errors in syslog: Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=6050375794688, length=32768)]error

Re: dump trying to access incorrect block numbers? [It is not just dump that can get such]

2017-07-07 Thread Mark Millard
Michael Butler imb at protected-networks.net wrote on Fri Jul 7 14:45:12 UTC 2017 : > Recent builds doing a backup (dump) cause nonsensical errors in syslog: > > Jul 7 00:10:24 toshi kernel: > g_vfs_done():ada0s3a[READ(offset=6050375794688, length=32768)]error = 5 > Jul 7 00:10:24 toshi kern

dump trying to access incorrect block numbers?

2017-07-07 Thread Michael Butler
Recent builds doing a backup (dump) cause nonsensical errors in syslog: Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=6050375794688, length=32768)]error = 5 Jul 7 00:10:24 toshi kernel: g_vfs_done():ada0s3a[READ(offset=546222112768, length=32768)]error = 5 Jul 7 00:10:24 tosh