I was trying to add my own custom search engine entry and make it default to remedy issue #118, when suddenly the browser crashed. From then on, the browser would not start until I deleted the configuration folder. Trying to start the browser from the terminal gave the following error:
[11606:11606:1216/082555.860625:ERROR:vaapi_wrapper.cc(1212)] vaInitialize failed: unknown libva error
[11560:11560:1216/082556.037602:FATAL:url_fetcher_core.cc(107)] Check failed: original_url_.is_valid().
#0 0x561a1f0a6407
Received signal 6
#0 0x561a1f0a6407
r8: 0000000000000000 r9: 00007fff47c5d340 r10: 0000000000000008 r11: 0000000000000246
r12: 00007fab1f6166c0 r13: 00007fff47c5da50 r14: 0000000004b4312d r15: 00007fff47c5da48
di: 0000000000000002 si: 00007fff47c5d340 bp: 0000000000000068 bx: 0000000000000006
dx: 0000000000000000 ax: 0000000000000000 cx: 00007fab1ecf6860 sp: 00007fff47c5d340
ip: 00007fab1ecf6860 efl: 0000000000000246 cgf: 002b000000000033 erf: 0000000000000000
trp: 0000000000000000 msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
Calling _exit(1). Core file will not be generated.