Found this while investigating memory leaks (T122455):
Dec 20 20:48:42 cp3047 vhtcpd[57924]: TCP connect() failed: Connection refused
Dec 20 20:48:42 cp3047 frontend[88946]: Child (88956) died signal=11
Dec 20 20:48:42 cp3047 frontend[88946]: Child (88956) Panic message: Assert error in VGZ_Ibuf(), cache_gzip.c line 221:#012 Condition((vg->vz.avail_in) == 0) not true.#012thread = (cache-worker)#012ident = Linux,3.19.0-1-amd64,x86_64,-smalloc,-smalloc,-hcritbit,epoll#012Backtrace:#012 0x433924: /usr/sbin/varnishd() [0x433924]#012 0x428aa9: /usr/sbin/varnishd(VGZ_Ibuf+0x79) [0x428aa9]#012 0x429e2d: /usr/sbin/varnishd() [0x429e2d]#012 0x427d4b: /usr/sbin/varnishd(FetchBody+0x46b) [0x427d4b]#012 0x4191ed: /usr/sbin/varnishd() [0x4191ed]#012 0x41a42d: /usr/sbin/varnishd(CNT_Session+0x9dd) [0x41a42d]#012 0x4356f0: /usr/sbin/varnishd() [0x4356f0]#012 0x7f63fb63d0a4: /lib/x86_64-linux-gnu/libpthread.so.0(+0x80a4) [0x7f63fb63d0a4]#012 0x7f63fb37204d: /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7f63fb37204d]#012sp = 0x7f5018b91008 {#012 fd = 0, id = 0, xid = 0,#012 client = ?.?.?.? ?,#012 step = STP_WAIT,#012 handling = deliver,#012 restarts = 0, esi_level = 0#012 flags =
Dec 20 20:48:42 cp3047 frontend[88946]: Child cleanup complete
Dec 20 20:48:42 cp3047 frontend[88946]: child (40862) StartedThe cleaned-up backtrace is:
Dec 20 20:48:42 cp3047 frontend[88946]: Child (88956) Panic message: Assert error in VGZ_Ibuf(), cache_gzip.c line 221:
Condition((vg->vz.avail_in) == 0) not true.
thread = (cache-worker)
ident = Linux,3.19.0-1-amd64,x86_64,-smalloc,-smalloc,-hcritbit,epoll
Backtrace:
0x433924: /usr/sbin/varnishd() [0x433924]
0x428aa9: /usr/sbin/varnishd(VGZ_Ibuf+0x79) [0x428aa9]
0x429e2d: /usr/sbin/varnishd() [0x429e2d]
0x427d4b: /usr/sbin/varnishd(FetchBody+0x46b) [0x427d4b]
0x4191ed: /usr/sbin/varnishd() [0x4191ed]
0x41a42d: /usr/sbin/varnishd(CNT_Session+0x9dd) [0x41a42d]
0x4356f0: /usr/sbin/varnishd() [0x4356f0]
0x7f63fb63d0a4: /lib/x86_64-linux-gnu/libpthread.so.0(+0x80a4) [0x7f63fb63d0a4]
0x7f63fb37204d: /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7f63fb37204d]
sp = 0x7f5018b91008 {
fd = 0, id = 0, xid = 0,
client = ?.?.?.? ?,
step = STP_WAIT,
handling = deliver,
restarts = 0, esi_level = 0
flags =