Date: Fri, 27 May 2011 10:37:32 +0200 From: Goran Lowkrantz <glz@hidden-powers.com> To: freebsd-current@freebsd.org Subject: Testing new nfs and VIMAGE Message-ID: <C156F9765AD2E599FA5BDC0A@syn>
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I have been testing VIMAGE a lot lately to see how it works an all my test
cases works as expected except when I use NFSv4 from an NFS client with a
kerrel with VIMAGE enabled.
All other permutations work and this error is very specific. All crashes
occurs when trying to read or write to an NFS v4 volume. I have seen it on
both i386 and amd64.
#12 0xc0a73c15 in rt_tables_get_rnh (table=0, fam=2)
at /usr/src/sys/net/route.c:153
static __inline struct radix_node_head **
rt_tables_get_rnh_ptr(int table, int fam)
{
struct radix_node_head **rnh;
KASSERT(table >= 0 && table < rt_numfibs, ("%s: table out of
bounds.",
__func__));
KASSERT(fam >= 0 && fam < (AF_MAX+1), ("%s: fam out of bounds.",
__func__));
/* rnh is [fib=0][af=0]. */
---> rnh = (struct radix_node_head **)V_rt_tables;
/* Get the offset to the requested table and fam. */
rnh += table * (AF_MAX+1) + fam;
return (rnh);
}
Any ideas?
Cores and dumps are available plus a vmware player setup to test and debug.
/glz
Dump header from device /dev/da0p3
Architecture: i386
Architecture Version: 2
Dump Length: 105414656B (100 MB)
Blocksize: 512
Dumptime: Fri May 27 09:54:13 2011
Hostname: vserver.test.ismobile.com
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 9.0-CURRENT #2: Fri May 27 03:45:23 CEST 2011
root@nfsserver.test.hidden-powers.com:/usr/obj/usr/src/sys/VSERVER
Panic String: from debugger
Dump Parity: 3851082861
Bounds: 3
Dump Status: good
---
"There is hopeful symbolism in the fact that flags do not wave in a vacuum."
-- Arthur C. Clarke
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