Re: Revealing secrets in netstart and other shell scripts

2011-01-23 Thread Vadim Zhukov 
On 23 January 2011 c. 10:11:52 Philip Guenther wrote:
 2011/1/22 Vadim Zhukov persg...@gmail.com:
  Just got that:
 
  1. ksh updates it's real argv when set -- is used.

 Can you give an example of when you see that?  I'm not seeing it when I
tried:

 $ cat /tmp/f
 #!/bin/ksh
 set -- foo bar baz
 echo $@
 sleep 120
 $ /tmp/f blah blah blah blah blah 
 [1] 19109
 $ foo bar baz
 $ ps -p $! -o command
 COMMAND
 /bin/ksh /tmp/f blah blah blah blah blah
 $

O-oh. Sorry. Looks like my imagination run before my mind. :(
Sorry again...

I found that shift command altered argv, and decided that set --
makes this too. Why did I thought such thing and didn't checked it -
don't know.

I promise to not to write here before sleep. Sorry again. :(

--
  Best wishes,
Vadim Zhukov

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?

Re: Workaround for data corruption issue with ALI M5229 IDE chip used with Sun Blade 100/Netra X1.

2011-01-23 Thread Brad 
On Wed, Jan 12, 2011 at 08:32:12PM -0500, Brad wrote:
 The following diff is ported from NetBSD (the workaround originated from
 OpenSolaris) to workaround the issue of data corruption with the ALI M5229
 IDE chipset when using UltraDMA. Same workaround is also used by 
 FreeBSD/Linux.
 This chipset is found in some sparc64 systems such as the Blade 100 and
 Netra X1.
 
 I don't have any such systems but I went digging for this being curious
 why the nasty hack was added to the kernel configs to disable UltraDMA
 to workaround this bug and thus penalizing other IDE/SATA controllers
 that could be in the same system. If you have one of the mentioned
 systems please test this.

Ok with a bit more digging I think I found out why the workaround
is not functioning correctly. I found in rev 1.90 of wdc.c jsg@
added the infrastructure to allow for the reset callback but
then part of it was reverted by miod@ in rev 1.93 due to an issue
with a NULL pointer dereference on some systems and no one bothered
to go back and fix it. I brought over the fix for this issue from
NetBSD. This needs testing on any IDE/SATA controllers.


Index: wdc.c
===
RCS file: /home/cvs/src/sys/dev/ic/wdc.c,v
retrieving revision 1.109
diff -u -p -r1.109 wdc.c
--- wdc.c   21 Sep 2010 03:33:32 -  1.109
+++ wdc.c   23 Jan 2011 19:46:03 -
@@ -589,6 +589,9 @@ wdcprobe(struct channel_softc *chp)
int savedmask = wdcdebug_mask;
 #endif
 
+   if (chp-wdc-reset == NULL)
+   chp-wdc-reset = wdc_do_reset;
+
if (chp-_vtbl == 0) {
int s = splbio();
chp-_vtbl = wdc_default_vtbl;
@@ -628,7 +631,7 @@ wdcprobe(struct channel_softc *chp)
}
 
/* reset the channel */
-   wdc_do_reset(chp);
+   chp-wdc-reset(chp);
 
ret_value = __wdcwait_reset(chp, ret_value);
WDCDEBUG_PRINT((%s:%d: after reset, ret_value=0x%d\n,


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remove

route: -iface vs. -interface

2011-01-23 Thread Henri Kemppainen 
I noticed route treats the flags -iface and -interface as synonyms.

Almost synonyms.

This little diff makes monitor accept -interface as the other commands
do.  It also makes the manual consistent such that only -iface is used
throughout it.

Index: src/sbin/route/route.8
===
RCS file: /cvs/src/sbin/route/route.8,v
retrieving revision 1.66
diff -u -p -r1.66 route.8
--- src/sbin/route/route.8  21 Sep 2010 14:46:40 -  1.66
+++ src/sbin/route/route.8  24 Jan 2011 03:29:47 -
@@ -271,7 +271,7 @@ or alternately
 If the destination is directly reachable
 via an interface requiring
 no intermediary system to act as a gateway, the
-.Fl interface
+.Fl iface
 modifier should be specified;
 the gateway given is the address of this host on the common network,
 indicating the interface to be used for transmission.
Index: src/sbin/route/route.c
===
RCS file: /cvs/src/sbin/route/route.c,v
retrieving revision 1.152
diff -u -p -r1.152 route.c
--- src/sbin/route/route.c  25 Oct 2010 19:39:55 -  1.152
+++ src/sbin/route/route.c  24 Jan 2011 03:29:47 -
@@ -1035,6 +1035,7 @@ monitor(int argc, char *argv[])
af = AF_INET6;
break;
case K_IFACE:
+   case K_INTERFACE:
filter = ROUTE_FILTER(RTM_IFINFO) |
ROUTE_FILTER(RTM_IFANNOUNCE);
break;

Re: Workaround for data corruption issue with ALI M5229 IDE chip used with Sun Blade 100/Netra X1.

2011-01-23 Thread Matthieu Herrb 
On Sun, Jan 23, 2011 at 04:27:15PM -0500, Brad wrote:
 
 Ok with a bit more digging I think I found out why the workaround
 is not functioning correctly. I found in rev 1.90 of wdc.c jsg@
 added the infrastructure to allow for the reset callback but
 then part of it was reverted by miod@ in rev 1.93 due to an issue
 with a NULL pointer dereference on some systems and no one bothered
 to go back and fix it. I brought over the fix for this issue from
 NetBSD. This needs testing on any IDE/SATA controllers.

FWIW, I tried this patch together with the workaround and a printf
added to acer_do_reset on my Blade 150. I'm seeing that

- acer_do_reset is beeing called
- there are still read errors  just after the resets:

Jan 23 23:16:12 gilda /bsd: acer_do_reset
Jan 23 23:16:13 gilda /bsd: wd0a: DMA error reading fsbn 14097936 of 
14097936-14097967 (wd0 bn 14097936; cn 3455 tn 6 sn 6), retrying
Jan 23 23:16:13 gilda /bsd: wd0: soft error (corrected)
Jan 24 01:30:30 gilda /bsd: acer_do_reset
Jan 24 01:30:31 gilda /bsd: wd0a: DMA error reading fsbn 10239004 of 
10239004-10239035 (wd0 bn 10239004; cn 2509 tn 8 sn 244), retrying
Jan 24 01:30:31 gilda /bsd: wd0: soft error (corrected)
Jan 24 01:30:35 gilda /bsd: acer_do_reset
Jan 24 01:30:37 gilda /bsd: wd0a: DMA error reading fsbn 10366820 of 
10366820-10366851 (wd0 bn 10366820; cn 2540 tn 14 sn 50), retrying
Jan 24 01:30:37 gilda /bsd: wd0: soft error (corrected)

As far as I'm concerned, I'd stick to UDMA2 for this stupid controller
rather than wasting more time on this.

-- 
Matthieu Herrb