regression tests failing over ra_dav

Hello

With rev 3467 I'm seeing the following failures

FAIL: basic_tests.py 10: basic switch command
FAIL: switch_tests.py 1: test some basic switching operations
FAIL: switch_tests.py 2: commits after some basic switching operations
FAIL: switch_tests.py 3: update wc that contains switched things
FAIL: switch_tests.py 4: reverse update wc that contains switched things
FAIL: switch_tests.py 5: update switched wc things to HEAD
FAIL: switch_tests.py 6: reverse update switched wc things to an older rev
FAIL: module_tests.py 5: Update to receive a change to a modified external module.

Debugging basic_tests.py 10 I see that

$ svn switch switch http://localhost:8888/repositories/basic_tests-10/A/D/gamma working_copies/basic_tests-10/iota
Segmentation fault

In gdb

(gdb) bt
#0 0x404491b7 in memcpy () from /lib/libc.so.6
#1 0x400bd4a5 in svn_string_ncreate (
    bytes=0x8059ba0 "\020\224\005\bÀ7\t\b¸\226\005\b\024\224\005\b@;\t\b0\233\005\b", size=134852016, pool=0x8059ba0)
    at ../svn/subversion/libsvn_subr/svn_string.c:79
#2 0x400bd5f7 in svn_string_dup (original_string=0x809ad70, pool=0x8059ba0)
    at ../svn/subversion/libsvn_subr/svn_string.c:139
#3 0x4002653f in svn_client_switch (auth_baton=0x8079038,
    path=0x80785a8 "working_copies/basic_tests-10/iota",
    switch_url=0x80784c8 "http://localhost:8888/repositories/basic_tests-10/A/D/gamma", revision=0xbffff9c4, recurse=1, notify_func=0x804bc1c <notify>,
    notify_baton=0x807c0c8, pool=0x8059ba0)
    at ../svn/subversion/libsvn_client/switch.c:257
#4 0x08050b46 in svn_cl__switch (os=0x805a2c8, baton=0xbffff9c4,
    pool=0x8059ba0) at ../svn/subversion/clients/cmdline/switch-cmd.c:115
#5 0x0804e319 in main (argc=4, argv=0xbffffad4)
    at ../svn/subversion/clients/cmdline/main.c:814

(gdb) up 3
#3 0x4002653f in svn_client_switch (auth_baton=0x8079038,
    path=0x80785a8 "working_copies/basic_tests-10/iota",
    switch_url=0x80784c8 "http://localhost:8888/repositories/basic_tests-10/A/D/gamma", revision=0xbffff9c4, recurse=1, notify_func=0x804bc1c <notify>,
    notify_baton=0x807c0c8, pool=0x8059ba0)
    at ../svn/subversion/libsvn_client/switch.c:257
257 prop->value = svn_string_dup (val, pool);

(gdb) p ((svn_string_t*)val)[0]
$5 = {
  data = 0x8059ba0 "\020\224\005\bÀ7\t\b¸\226\005\b\024\224\005\b@;\t\b0\233\005\b", len = 134852016}

(gdb) p ((svn_stringbuf_t*)val)[0]
$6 = {pool = 0x8059ba0, data = 0x809adb0 "anonymous", len = 9, blocksize = 16}

-- 
Philip Martin
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