Re: [Dar-support] Exception in cache.cpp

[Robin A. <ro...@bi...>]

On Mon, 27 Dec 2021 10:24:19 +0100
Matus UHLAR - fantomas <uh...@fa...> wrote:

> >> On 26.12.21 14:57, Robin Atwood wrote:  
> >> >While performing a full backup last night I suddenly got this
> >> >exception:
> >> >
> >> >Final memory cleanup...
> >> >---- exception type = [BUG] ----------
> >> >[source]
> >> >	File cache.cpp line 562 : it seems to be a bug here
> >> >It is quite hard, repeating the run produced exactly the same
> >> >result.I have a completely current Gentoo system; dar is version
> >> >2.7.2 and was updated on 08-10-2021; glibc is 2.34-r4.  
> 
> >On Sun, 26 Dec 2021 17:45:10 +0100
> >Matus UHLAR - fantomas <uh...@fa...> wrote:  
> >> I guess compiler version is important too.  
> 
> On 27.12.21 15:54, Robin Atwood wrote:
> >Gcc is at 11.2.1. But dar has been running in its current
> >configuration for over two months;  
> 
> havent't you changed anything on the gentoo system?
> change of a library can cause problems similar to this one.
> (and it's often quite hard to track because of gentoo nature).
> 
> > I wonder if it is an environment problem. The
> >exception doesn't occur when I do a differential backup so I guess
> >archive size plays a part.  
> 
> 

OK, I have fixed the problem. I noticed an I/O error on the USB drive I
backup to so I ran fsck on the partition and that allowed the backup to
complete. It would be nice if dar could issue a helpful error message
when it gets an I/O error but maybe that is not easy to do.

Thanks
Robin
-- 
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Robin Atwood.

"Ship me somewheres east of Suez, where the best is like the worst,
 Where there ain't no Ten Commandments an' a man can raise a thirst"
         from "Mandalay" by Rudyard Kipling
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