Apologies for the cross post. Were trying out the ofed code and running
into some issues, so would love to discuss.
-vijay
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Hackers, what does hitting the following assert in vmspace_fork() imply?
3101 http://fxr.watson.org/fxr/source/vm/vm_map.c#L3101
new_map = vm2 http://fxr.watson.org/fxr/ident?im=3;i=vm2-vm_map
http://fxr.watson.org/fxr/ident?im=3;i=vm_map;
3102 http://fxr.watson.org/fxr/source/vm/vm_map.c#L3102
Hi, I was looking for some help with copyinstr() on an amd64 platform.
My from address happens to be in the kernel (stack). I am getting an
EFAULT, and I am wondering how to fix that.
Would using memory from malloc() make a difference?
-vijay
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All. KASSERT() is a really need way of expressing invariants when
INVARIANTS is defined. However for regular, non-INVARIANTS code folks
have the typical if() panic() combos, or private macros. Would a
KVERIFY() that does this in non-INVARIANTS code make sense?
-vijay
Need some expert help. I have a system that is hung hard, and I was
able to get it into gdb. From show_vmstat I see:
(kgdb-amd64-7.4-95) show_vmstat
SYSTEM MEMORY INFORMATION:
mem_wire: 285970432 (272MB) Wired: disabled for paging out
mem_active: +400105472 (381MB) Active:
Hi hackers. I am seeing an issue where the USB controller is
generating a large number of interrupts.
last pid: 6639; load averages: 1.39, 1.48, 2.46 up 0+01:07:1412:35:05
2590 processes:9 running, 462 sleeping, 3 zombie, 2116 waiting
CPU: 0.2% user, 0.0% nice, 11.5% system, 10.6%
Hi John,
(kgdb-amd64-6.8-71) f 5
#5 0x803b73e6 in softclock (arg=0x80c90f40) at
../../../../sys/kern/kern_timeout.c:461
461 class-lc_unlock(c_lock);
(kgdb-amd64-6.8-71) l
456 lastfunc =
Out of curiosity, where does your code comes from ? The same snippet
from the `release/8.1.0' branch does not refer to `Giant' at all, it
only reads:
if (c_lock != NULL) {
class-lc_lock(c_lock, sharedlock);
Arnaud, I added that code to track down the
Hackers. I am hitting a panic on 8.1 in the softclock() code. Anyone seen this?
PANIC : mutex Giant not owned at ../../../../sys/kern/kern_mutex.c:185
(kgdb-amd64-6.8-71) bt
#0 breakpoint () at ./machine/cpufunc.h:64
#1 0x803d8b82 in kdb_enter (why=0x806ca339 panic,
hello all, i am trying to understand the freebsd boot code. i saw that the
1st stage boot loader relocates itself from 7c00 to 700. why is this done?
if the run time kernel were to switch to real-mode and transfer control to
this location (0700) would the 1st stage boot program run again?
for
hello, i have some exposure to the freebsd code, but not extensive. i am
reading the sys/boot code, and saw that the 3 stage boot process involves a
jump from the loader to the kernel in the last phase. i was wondering if it
is possible to engineer the kernel to jump back to the loader in some
Hello hackers. What would be the FreeBSD 2.1
equivalent of the following sendfile code from
uipc_syscalls.c
for (off = uap-offset; ; off += xfsize, sbytes +=
xfsize) {
vm_pindex_t pindex;
vm_offset_t pgoff;
pindex = OFF_TO_IDX(off);
Hi, this is in no way related to the kqueue question asked below but to
event notification mechanisms in general. I was wondering if there is
some paper or design that talks about how such a facility could be
provided in a Unix type kernel. Kqueue is fairly recent, and I dont know
what its
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