[arch-releng] ISO 2014.11.01: installing packages may cause system failure

Christian Hesse list at eworm.de
Mon Nov 10 16:18:07 UTC 2014

Peter Mattern <matternp at arcor.de> on Mon, 2014/11/10 17:14:
> As of ISO 2014.11.01 attempts to install packages within the live system 
> itself can cause complete system failure, apparently due to problems 
> affecting device mapper.
> The problem is a regression that can't be seen with ISO 2014.10.01.
> It doesn't always appear and I couldn't find out the exact conditions. 
> But it seems the number / volume of packages that are about to be 
> installed has to exceed some kind of threshold.
> Also, it doesn't affect running pacstrap the usual way.
> Attaching journalctl output from a KVM/QEMU instance (behaviour is the 
> same booting "bare metal", though).

The cowfile has a default size of 256MB now. Probably that filled up. Try to
boot with cowfile_size=2G and try again.
main(a){char*c=/*    Schoene Gruesse                         */"B?IJj;MEH"
"CX:;",b;for(a/*    Chris           get my mail address:    */=0;b=c[a++];)
putchar(b-1/(/*               gcc -o sig sig.c && ./sig    */b/42*2-3)*42);}
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