* bug#30667: 'guix system vm' must keep mount_tag-length limited below 32 bytes for --expose and --share
@ 2018-03-01 18:05 Björn Höfling
2018-03-08 10:56 ` Ludovic Courtès
0 siblings, 1 reply; 3+ messages in thread
From: Björn Höfling @ 2018-03-01 18:05 UTC (permalink / raw)
To: 30667
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I prepared a QEMU VM with:
./pre-inst-env guix system vm \
--expose=/home/bjoern/digikam-testpool/=/image-pool \
../guix-systems/digikam-test.scm
Starting the VM it complained:
$> /gnu/store/zg5a42vcz4qf6h3yrdrijyaxkbhr967s-run-vm.sh
qemu-system-x86_64: -virtfs local,path=/home/bjoern/digikam-testpool/,security_model=none,mount_tag=TAG_home_bjoern_digikam-testpool_: mount tag 'TAG_home_bjoern_digikam-testpool_' (33 bytes) is longer than maximum (31 bytes)
I haven't looked into the Guix code, but I suppose there is somewhere
a place where the command line and the '/etc/fstab' file is filled
with the mount tags.
Here we should check the tag-length and shrink it (uniquely) if
it is more than 31 bytes in size.
Björn
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^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#30667: 'guix system vm' must keep mount_tag-length limited below 32 bytes for --expose and --share
2018-03-01 18:05 bug#30667: 'guix system vm' must keep mount_tag-length limited below 32 bytes for --expose and --share Björn Höfling
@ 2018-03-08 10:56 ` Ludovic Courtès
2018-03-10 14:46 ` Björn Höfling
0 siblings, 1 reply; 3+ messages in thread
From: Ludovic Courtès @ 2018-03-08 10:56 UTC (permalink / raw)
To: Björn Höfling; +Cc: 30667-done
Hi Björn,
Björn Höfling <bjoern.hoefling@bjoernhoefling.de> skribis:
> I prepared a QEMU VM with:
>
> ./pre-inst-env guix system vm \
> --expose=/home/bjoern/digikam-testpool/=/image-pool \
> ../guix-systems/digikam-test.scm
>
> Starting the VM it complained:
>
> $> /gnu/store/zg5a42vcz4qf6h3yrdrijyaxkbhr967s-run-vm.sh
> qemu-system-x86_64: -virtfs local,path=/home/bjoern/digikam-testpool/,security_model=none,mount_tag=TAG_home_bjoern_digikam-testpool_: mount tag 'TAG_home_bjoern_digikam-testpool_' (33 bytes) is longer than maximum (31 bytes)
Fixed in dffc5ab5e47e45b94188828205c8d567994926ad, thanks!
Ludo’.
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2018-03-01 18:05 bug#30667: 'guix system vm' must keep mount_tag-length limited below 32 bytes for --expose and --share Björn Höfling
2018-03-08 10:56 ` Ludovic Courtès
2018-03-10 14:46 ` Björn Höfling
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