bitcoin: error: "Disk space is low!", ignoring disk space limitations

Describe the issue

Program ignore disk space limitation, what i set up on start

Can you reliably reproduce the issue?

If so, please list the steps to reproduce below:

1. start bitcoin-0.14.2/bin/bitcoin-qt
2. select checkbox what you want to limit data to 1024Mb (~6 days)
3. bitcoin use all disk space (~16Gb in my case) and throws an error.

Expected behaviour

Program syncing a blockchain using only 1Gb of free space on my hdd

Actual behaviour

Even if i selected to limit disk space to 1024Mb, program used all available space. folder .bitcoin/blocks/have size of 16Gb.

What version of Bitcoin Knots are you using?

bitcoin-0.14.2.knots20170618-x86_64-linux-gnu.tar.gz

Machine specs:

• OS: debian 8.8/4.9.0-0.bpo.2-amd64 #1 SMP Debian 4.9.18-1~bpo8+1 (2017-04-10) x86_64 GNU/Linux
• CPU: i5-i5200
• RAM: 8Gb (2x4Gb exact modules, i.e. model)
• Disk size: 1Tb
• Disk Type (HD/SDD): hdd

Any extra information that might be useful in the debugging process.

2017-07-06 05:53:20 UpdateTip: new best=00000000000000006abd2d638e7b532a9b5938af1449666dead4694b630d2cfa height=278269 version=0x00000002 log2_work=75.356384 tx=30280869 date=‘2014-01-02 11:55:20’ progress=0.128740 cache=318.1MiB(491213tx) 2017-07-06 05:53:20 UpdateTip: new best=00000000000000017bac9a8e85660ad348050c789922d5f8fe544d473368be1a height=278270 version=0x00000002 log2_work=75.356566 tx=30281382 date=‘2014-01-02 12:35:05’ progress=0.128742 cache=318.2MiB(491336tx) 2017-07-06 05:53:20 *** Disk space is low! 2017-07-06 05:53:30 GUI: QXcbConnection: XCB error: 3 (BadWindow), sequence: 17135, resource id: 19042778, major code: 40 (TranslateCoords), minor code: 0 2017-07-06 05:53:30 ERROR: ProcessNewBlock: ActivateBestChain failed 2017-07-06 05:53:30 tor: Thread interrupt 2017-07-06 05:53:30 net thread exit 2017-07-06 05:53:30 torcontrol thread exit 2017-07-06 05:53:30 opencon thread exit 2017-07-06 05:53:30 addcon thread exit 2017-07-06 05:53:31 *** Disk space is low! 2017-07-06 05:53:31 scheduler thread interrupt 2017-07-06 05:53:31 Shutdown: In progress… 2017-07-06 05:53:32 GUI: QXcbConnection: XCB error: 3 (BadWindow), sequence: 17327, resource id: 19043178, major code: 40 (TranslateCoords), minor code: 0 2017-07-06 05:53:32 ERROR: ProcessNewBlock: ActivateBestChain failed 2017-07-06 05:53:32 msghand thread exit 2017-07-06 05:53:32 Dumped mempool: 3e-06s to copy, 0.085057s to dump 2017-07-06 05:53:32 *** Disk space is low! 2017-07-06 05:53:33 Shutdown: done