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Re: uvideo: kill a quirk, fix frame sizes
On Sun, Mar 27, 2011 at 9:26 PM, Jacob Meuser jake...@sdf.lonestar.org wrote: dcoppa@ noticed that his camera still didn't work with ffmpeg after the latest uvideo changes. the problem was that the device reported a ridiculously large maximum frame size, and then malloc(9) failed because there wasn't enough free memory to allocate the frame buffer. this is similar to a problem with other cameras, and is why uvideo(4) has the UVIDEO_FLAG_FIX_MAX_VIDEO_FRAME_SIZE quirk. For the archives, mine is a: uvideo0 at uhub0 port 5 configuration 1 interface 0 Acer BisonCam, NB Pro rev 2.00/0.02 addr 2 And it's the integrated webcam of my MSI Wind U100 netbook... Cheers! David
Resending: duid support for ntfs
Hi,
adapted from msdosfs code + fixed one typo in debug printing. Tested on amd64.
--
Antti Harri
Index: sys/ntfs/ntfs_vfsops.c
===
RCS file: /OpenBSD/src/sys/ntfs/ntfs_vfsops.c,v
retrieving revision 1.24
diff -u -r1.24 ntfs_vfsops.c
--- sys/ntfs/ntfs_vfsops.c 21 Dec 2010 20:14:43 - 1.24
+++ sys/ntfs/ntfs_vfsops.c 9 Mar 2011 19:15:01 -
@@ -37,6 +37,7 @@
#include sys/vnode.h
#include sys/mount.h
#include sys/buf.h
+#include sys/disk.h
#include sys/fcntl.h
#include sys/malloc.h
#include sys/systm.h
@@ -167,6 +168,7 @@
struct ntfs_args args;
size_t size;
mode_t amode;
+ char *fspec = NULL;
/*
***
@@ -204,7 +206,13 @@
* Not an update, or updating the name: look up the name
* and verify that it refers to a sensible block device.
*/
- NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, p);
+ fspec = malloc(MNAMELEN, M_MOUNT, M_WAITOK);
+ err = copyinstr(args.fspec, fspec, MNAMELEN - 1, size);
+ if (err)
+ goto error_1;
+ disk_map(fspec, fspec, MNAMELEN, DM_OPENBLCK);
+
+ NDINIT(ndp, LOOKUP, FOLLOW, UIO_SYSSPACE, fspec, p);
err = namei(ndp);
if (err) {
/* can't get devvp!*/
@@ -273,8 +281,8 @@
(void) copyinstr(path, mp-mnt_stat.f_mntonname, MNAMELEN - 1,
size);
bzero(mp-mnt_stat.f_mntonname + size, MNAMELEN - size);
- (void) copyinstr(args.fspec, mp-mnt_stat.f_mntfromname,
- MNAMELEN - 1, size);
+
+ size = strlcpy(mp-mnt_stat.f_mntfromname, fspec, MNAMELEN - 1);
bzero(mp-mnt_stat.f_mntfromname + size, MNAMELEN - size);
bcopy(args, mp-mnt_stat.mount_info.ntfs_args, sizeof(args));
if ( !err) {
@@ -304,6 +312,9 @@
error_1: /* no state to back out*/
success:
+ if (fspec)
+ free(fspec, M_MOUNT);
+
return(err);
}
@@ -572,7 +583,7 @@
/* free the toupper table, if this has been last mounted ntfs volume */
ntfs_toupper_unuse(p);
- dprintf((ntfs_umount: freeing memory...\n));
+ dprintf((ntfs_unmount: freeing memory...\n));
mp-mnt_data = NULL;
mp-mnt_flag = ~MNT_LOCAL;
free(ntmp-ntm_ad, M_NTFSMNT);
IPv6 autoconfiguration and icmp6 redirects
Hi, CVSROOT:/cvs Module name:src Changes by: bl...@cvs.openbsd.org 2011/03/22 18:59:49 Modified files: usr.sbin/rtsold: if.c rtsold.8 rtsold.c rtsold.h Log message: Print a warning when rtsol or rtsold are used to do IPv6 autoconfiguration but accepting redirects is turned off. If the -F switch is given, set sysctl net.inet6.icmp6.rediraccept to 1 instead. ok claudio@ deraadt@ sthen@ May I ask why this is needed? I've run IPv6 autoconfigurations on my machines with net.inet6.icmp6.rediraccept=0 for years without visible trouble. I may be missing knowledge of parts of the protocol and the manual page doesn't help. Thanks. -- Matthieu Herrb
Re: ksh completion
On Thu, Mar 24, 2011 at 15:48:56 +0300, Alexander Polakov wrote: And just for the archives, a patch that really works as advertised (and using it for some time I feel like it *is* a good idea). One thing I've noticed: $ touch 'thing [another thing aaa' $ touch 'thing [another thing bbb' $ ls thingTAB $ ls thing\ \[another\ thing\ \\ now hitting 'a' or 'b' and then TAB does nothing. It does not complete further. However without the '[' character in the filename, it does. Daniel -- LIVAI Daniel PGP key ID = 0x83B63A8F Key fingerprint = DBEC C66B A47A DFA2 792D 650C C69B BE4C 83B6 3A8F
Re: patch for pppoe(8), ppp(8) - openbsd 4.8
On 2011/03/28 20:11, Ben Gould wrote: Hi, A bug fix, performance improvement and a new feature for pppoe(8); and a performance improvement for ppp(8). Hi Ben, please could you resend with diff -u... thanks! It would be good to report a bug for the pppoe(4) panics you see too if it's possible, I've been using pppoe(4) on UK ADSL for quite some time (v4 with aaisp, demon, zen; v4+v6 with bogons) without trouble, including on some quite heavily-loaded lines.
Re: patch for pppoe(8), ppp(8) - openbsd 4.8
Resend with unified diffs, sorry...
On 28 March 2011 20:11, Ben Gould ben.go...@gmail.com wrote:
Hi,
A bug fix, performance improvement and a new feature for pppoe(8); and
a performance improvement for ppp(8).
pppoe(8):
- Under load my low power atom-based router kept hitting the
usleep(10); case in pppoe which seemed to throw LCP echos off
causing line drops, this is now gone and the line doesn't drop.
- select() replaced for kqueue()/kevent() calls in pppoe's client loop.
- RFC 4638 support added to pppoe's client mode for negotiating 1500
byte mtu with the server.
ppp(8)
- A very quick and dirty drop-in kqueue()/kevent() replacement for
select() in the main loop. B It works for me, works well with the above
pppoe mods, you'll flame. B Suggestions would be welcome. B Can anyone
test this with dialup?
Some background for these changes: B Faster broadband got rolled out
here; all was working on ADSL 2+ (with random but tolerable line drops
during bittorrent downloads). B Upgraded to VDSL (here in the UK BT are
rolling out fibre to a roadside cabinet...) which is provided as a
PPPoE mode. B Line now drops were happening under normal usage so I
investigated... B Once all that was fixed I thought I'd add support for
the larger MTU. B I probably wouldn't have needed to rewrite the
select() calls as kqueue()/kevent() if I had a faster computer acting
as a router. B pppoe(4) seems to cause panics and wasn't setting up
IPv6 properly for me - sorry I've not investigated that further.
Diffs and dmesg follow.
-- ben
diff -upr ppp/ppp/main.c ppp.kqueue/ppp/main.c
--- ppp/ppp/main.c Wed Nov 12 16:01:08 2008
+++ ppp.kqueue/ppp/main.c Mon Mar 28 19:14:59 2011
@@ -48,6 +48,8 @@
#include termios.h
#include unistd.h
#include sys/stat.h
+#include sys/types.h
+#include sys/event.h
#ifndef NONAT
#ifdef LOCALNAT
@@ -533,27 +535,47 @@ main(int argc, char **argv)
static void
DoLoop(struct bundle *bundle)
{
- fd_set *rfds, *wfds, *efds;
- int i, nfds, nothing_done;
+ int kq;
+ struct kevent *changelist, *pevent;
+ fd_set *rfds, *wfds, *efds;
+ int i, nfds, nfds_done, nothing_done, x, nchanges, maxnchanges, neret;
- if ((rfds = mkfdset()) == NULL) {
-log_Printf(LogERROR, DoLoop: Cannot create fd_set\n);
-return;
- }
+ nfds_done = 0;
+ nchanges = 0;
+ maxnchanges = getdtablesize();
+ changelist = malloc(maxnchanges * sizeof(struct kevent));
- if ((wfds = mkfdset()) == NULL) {
-log_Printf(LogERROR, DoLoop: Cannot create fd_set\n);
-free(rfds);
-return;
- }
+ kq = kqueue();
+ if (kq 0) {
+ log_Printf(LogERROR, DoLoop: Cannot create kqueue\n);
+ free(changelist);
+ return;
+ }
- if ((efds = mkfdset()) == NULL) {
-log_Printf(LogERROR, DoLoop: Cannot create fd_set\n);
-free(rfds);
-free(wfds);
-return;
- }
+ if ((rfds = mkfdset()) == NULL) {
+ log_Printf(LogERROR, DoLoop: Cannot create fd_set\n);
+ free(changelist);
+ close(kq);
+ return;
+ }
+ if ((wfds = mkfdset()) == NULL) {
+ log_Printf(LogERROR, DoLoop: Cannot create fd_set\n);
+ free(changelist);
+ close(kq);
+ free(rfds);
+ return;
+ }
+
+ if ((efds = mkfdset()) == NULL) {
+ log_Printf(LogERROR, DoLoop: Cannot create fd_set\n);
+ free(changelist);
+ close(kq);
+ free(rfds);
+ free(wfds);
+ return;
+ }
+
for (; !bundle_IsDead(bundle); bundle_CleanDatalinks(bundle)) {
nfds = 0;
zerofdset(rfds);
@@ -571,6 +593,28 @@ DoLoop(struct bundle *bundle)
/* Don't select - we'll be here forever */
break;
+ /* Quick and dirty way to convert a complicated use of
+* select into a quicker call to kevent(2)
+*/
+ nfds_done = nfds nfds_done ? nfds : nfds_done;
+ for (x = 0; x nfds; ++x) {
+ int r = 0, w = 0;
+ if (FD_ISSET(x, rfds)) {
+ EV_SET(changelist + nchanges, x, EVFILT_READ,
EV_ADD|EV_ONESHOT, 0, 0,
0);
+ ++nchanges;
+ r = 1;
+ }
+ if (FD_ISSET(x, wfds)) {
+ EV_SET(changelist + nchanges, x, EVFILT_WRITE,
EV_ADD|EV_ONESHOT, 0, 0,
0);
+ ++nchanges;
+ w = 1;
+ }
+ if (!r !w FD_ISSET(x, efds)) {
+ EV_SET(changelist + nchanges, x, EVFILT_READ,
EV_ADD|EV_ONESHOT, 0, 0,
0);
+ ++nchanges;
+ }
+ }
+
/*
* It's possible that we've had a signal since we last checked. If
* we don't check again before calling select(), we may end up stuck
@@ -582,48 +626,36 @@ DoLoop(struct bundle
