[9fans] arm & httpd

[Jeff Sickel]

Has anyone else experienced new builds of the sources arm tree getting hung up 
with semacquire?

 99:     httpd pc     cac0 dbgpc     cac0  Semacquire (Wakeme) ut 1 st 2 bss 
168000 qpc 608157d8 nl 0 nd 0 lpc 608758c4 pri 10



acid: lstk()
semacquire()+0xc /sys/src/libc/9syscall/semacquire.s:6
lock(l=0x31208)+0x20 /sys/src/libc/port/lock.c:10
plock()+0x8 /sys/src/libc/port/malloc.c:80
        pv=0x31208
poolalloc(p=0x35a24,n=0x2c)+0xc /sys/src/libc/port/pool.c:1223
        v=0xd970
mallocz(size=0x24,clr=0x1)+0x18 /sys/src/libc/port/malloc.c:221
        v=0x5ffffd39
getnetconninfo(fd=0xffffffff,dir=0x5ffffeec)+0x78 
/sys/src/libc/9sys/getnetconninfo.c:59
        path=0x0
        nci=0xb
        spec=0x0
        d=0x0
        netname=0x28
dolisten(address=0xd16dc)+0x134 /sys/src/cmd/ip/httpd/httpd.c:291
        spotchk=0x1
        dir=0x74656e2f
        ctl=0xa
        ndir=0x74656e2f
        nctl=0xb
        swamped=0x0
        nci=0x161c40
        data=0x313aa
        conn=0x73
        scheme=0xd16e6
        c=0x38898
        t=0x5ffffeb4
        ok=0xa284
main(argc=0x0,argv=0x5fffff9c)+0x1c0 /sys/src/cmd/ip/httpd/httpd.c:138
        address=0x38846
        _argc=0x0
        _args=0x0
_main+0x28 /sys/src/libc/arm/main9.s:19


I see this on the second http request, the first completes successfully, and 
don’t yet know if it’s a dns configuration error or something else.

-jas