new installer disklabel question
Hello, As an OpenBSD hobby user, I really appreciate your new installer and your automatic disklabel feature it is of GREAT help. I'm not very comfortable with fdisk and disklabel so this is a really welcomed feature and aid. Though, I'm missing 1 disklabel, the /altroot label, as it helped me several times in the past. Is there any reason why you omit this label creation? Do you think it could be added in the future to the automatic label creation or may be adding it after f.ex. answering a question (do you want an /altroot blah blah ...?) ? I know it should not be considered as a standard backup solution, but it still is a nice help. Kind regards, Didier
Partition question (Was new installer disklabel question)
On Thursday 09 July 2009 12:44:40 Theo de Raadt wrote: As an OpenBSD hobby user, I really appreciate your new installer and your automatic disklabel feature it is of GREAT help. I'm not very comfortable with fdisk and disklabel so this is a really welcomed feature and aid. Though, I'm missing 1 disklabel, the /altroot label, as it helped me several times in the past. Is there any reason why you omit this label creation? Do you think it could be added in the future to the automatic label creation or may be adding it after f.ex. answering a question (do you want an /altroot blah blah ...?) ? I know it should not be considered as a standard backup solution, but it still is a nice help. We have 16 partitions. Amongst that are b and c. So we have 14 partitions. We can potentially discover i - p using MBR reading or whatnot on other architectures, so we have potentially even less. We never did altroot automatically, and we don't do it now. What reasons are there for not extending partitions to z? With 2T disks out, having 14 partitions means not being able to make smaller ones. --STeve Andre'
Re: Partition question (Was new installer disklabel question)
What reasons are there for not extending partitions to z? With 2T disks out, having 14 partitions means not being able to make smaller ones. I could make it 32 partitions, but utterly break backwards compatibility with previous releases... or accept that the current situation covers 99.99% of usage cases.
Re: Nixspam - spamd?
* Holger Hornung m...@hhornung.de [2009-07-09 01:27]: Hello! It seems that the nixspam-Filter is not automatically updated?! http://www.openbsd.org/spamd/nixspam.gz Is there any new location for this list? Hmm.. It seems they recently started blocking my connections. ... ftp: Receiving HTTP reply: Connection reset by peer ... I hit them every hour which was (at the time I set it up) within what they said was allowed. No, you could all dogpile nixspam for it directly but they seem to have blocked my connection attempts recently. perhaps someone who speaks German could explain it to them and get them to not screw with connections from 129.128.0.0/16 because I'm fanning their info out to lots of people. -Bob
Re: softraid.c: potential NULL pointer dereference ?
On Thu, Jul 09, 2009 at 08:37:38PM +0200, Remco wrote:
I noticed the following code path in /sys/dev/softraid.c:
int
sr_scsi_cmd(struct scsi_xfer *xs)
{
...
sd = sc-sc_dis[link-scsibus];
if (sd == NULL) {
s = splhigh();
sd = sc-sc_attach_dis;
splx(s);
DNPRINTF(SR_D_CMD, %s: sr_scsi_cmd: attaching %p\n,
DEVNAME(sc), sd);
if (sd == NULL) {
wu = NULL;
printf(%s: sr_scsi_cmd NULL discipline\n,
DEVNAME(sc));
goto stuffup;
...
stuffup:
if (sd-sd_scsi_sense.error_code) {
If I'm not mistaken this leads to dereferencing sd as a NULL pointer.
I'm not sure whether this causes an actual real world problem or where to put
a guard to avoid this.
If that situation would occur, we would indeed hit a NULL pointer deref,
which would crash the kernel.
We have fixed it now. Thanks for pointing it out.
Regards,
Remco
Regards,
Marcus
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