Re: [PATCH] Re: BUG: race-cond with partition-check

2001-06-08 Thread Malcolm Beattie
/* No Such Agen^Wdevice or no minors to use for partitions */ > + /* No such device or no minors to use for partitions */ Any reason why you're silently removing a good old anti-NSA joke? Conspiracy theorists may have fun with that... :-) --Malcolm -- Malcolm Beattie <[EMAIL PROT

Re: Why side-effects on open(2) are evil. (was Re: [RFD w/info-PATCH]device arguments from lookup)

2001-05-24 Thread Malcolm Beattie
d and reduce it again later. You'll end up with stingy storage admins who refuse to give you a bunch of extra filesystem space for a while because they can't get it back again afterwards. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University C

Re: LANANA: To Pending Device Number Registrants

2001-05-16 Thread Malcolm Beattie
could fit the network filesystems > into the same scheme and get rid of the kludges a-la ncpfs mount sequence. > > There's only one sore spot: how'd you mount _that_ fs? ;-) Start up init with fs_fd on file descriptor 3 and init can put it where it likes. --Malcolm --

Re: Not a typewriter

2001-05-11 Thread Malcolm Beattie
file or special file for which the operation was inappropriate. which is quite a nice way of putting it. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the line "unsubscribe linux-

Re: Wow! Is memory ever cheap!

2001-05-09 Thread Malcolm Beattie
ror. I heard a rumour (now I get to the unsubstantiated part :-) that Sun chose a higher-performing design for their cache subsystem but which has a nastier failure mode in the case of cache errors. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University

Block device strategy and requests

2001-04-26 Thread Malcolm Beattie
which is best or doesn't it matter too much? --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTE

Re: zSeries

2001-04-18 Thread Malcolm Beattie
orms. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-

Re: ftruncate not extending files?

2001-03-02 Thread Malcolm Beattie
elates to "SuSv2 standards compliant" is your call. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a messa

Re: Serious reproducible 2.4.x kernel hang

2001-02-01 Thread Malcolm Beattie
Chris Evans writes: > > On Thu, 1 Feb 2001, Malcolm Beattie wrote: > > > Mapping the addresses from whichever ScrollLock combination produced > > the task list to symbols produces the call trace > > do_exit <- do_signal <- tcp_destroy_sock <- inet_ioctl <

Re: Serious reproducible 2.4.x kernel hang

2001-02-01 Thread Malcolm Beattie
Malcolm Beattie writes: > Chris Evans writes: > > I've just managed to reproduce this personally on 2.4.0. I've had a report > > that 2.4.1 is also affected. Both myself and the other person who > > reproduced this have SMP i686 machines, which may or may not be

Re: Serious reproducible 2.4.x kernel hang

2001-02-01 Thread Malcolm Beattie
every so often to see what was going showed remove_wait_queue, add_wait_queue, skb_recv_datagram and wait_for_packet mostly. Random thought: if vsftpd did a sendfile and then exited, becoming a zombie, could there be a problem with tearing down a sendfile mapping? I'm off to read some code.

Re: [UPDATE] Fresh zerocopy patch on kernel.org

2001-02-01 Thread Malcolm Beattie
David S. Miller writes: > > Malcolm Beattie writes: > > David S. Miller writes: > > > > > > At the usual place: > > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/davem/zerocopy-2.4.1-1.diff.gz > > > > Hmm, disa

Re: [UPDATE] Fresh zerocopy patch on kernel.org

2001-01-31 Thread Malcolm Beattie
#x27;m missing or can change or do to help to improve matters or track down potential problems? --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the line "unsubscribe linux-kernel&quo

Re: Still not sexy! (Re: sendfile+zerocopy: fairly sexy (nothing to do with ECN)

2001-01-31 Thread Malcolm Beattie
n 8-port Escalade card with 8 x 46GB disks (117 MByte/s block writes as measured by Bonnie on a RAID1/0 mixed RAIDset) and there are also four dual-port eepro fast ethernet cards, a Cisco 8-port 3508G gigabit switch and a 24-port 3524 fast ethernet switch (gigastack linked to the 3508G). I'm

Re: Modprobe local root exploit

2000-11-14 Thread Malcolm Beattie
kernel call /sbin/kmodprobe instead of /sbin/modprobe. Then kmodprobe can sanitise all the data and exec the real modprobe. That way the only thing that needs auditing is a string munging/sanitising program. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University

Re: Topic for discussion: OS Design

2000-10-23 Thread Malcolm Beattie
oundaries) rather than IPCs. There are others, but PA-RISC > is the one I am aware of. Like S/390 secondary address space and cross-address-space services? --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscrib

Re: New Benchmark tools, lookie looky........

2000-10-17 Thread Malcolm Beattie
http://users.ox.ac.uk/~mbeattie/linux-kernel.html --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/

Re: mapping user space buffer to kernel address space

2000-10-13 Thread Malcolm Beattie
re recent than 2.4.0-test5 at the moment, I can't say if it's there or what it looks like. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the line "unsubscribe linux-kernel"

Re: large memory support for x86

2000-10-12 Thread Malcolm Beattie
kiobuf functions take struct page units and handle all the internal mapping gubbins without you having to worry about it. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/

Re: want tool to open RPM package on Window 95

2000-10-12 Thread Malcolm Beattie
\037\213)//s or next; $found_gzmagic = 1; } print; } > Can we go back now to kernel issues? Oops, yes, we now return you to your regularly scheduled kgcc wars. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/

Re: Availability of kdb

2000-09-18 Thread Malcolm Beattie
d "The Second System Effect" are quoted around the industry decades later? And you think that's only a small handful of people? --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe from this list: send the

Re: Adding set_system_gate fails in arch/i386/kernel/traps.

2000-09-12 Thread Malcolm Beattie
_EXTERNAL_VECTOR + i; if (vector != SYSCALL_VECTOR) set_intr_gate(vector, interrupt[i]); } and promptly zaps everything except SYSCALL_VECTOR. (FIRST_EXTERNAL_VECTOR is 0x20). Many thanks. --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Prog

Adding set_system_gate fails in arch/i386/kernel/traps.c

2000-09-12 Thread Malcolm Beattie
printk telemetry available on request). However, once the system has booted, a little module which simply updates idt_table[MY_NEW_VECTOR] directly works fine and "sticks". Help? (Or, more accurately "Aaarrrgh?"). --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Syst

Re: Flavours of deceased bovine

2000-09-08 Thread Malcolm Beattie
enever needed. For example, 0baff1ed acce55ed decea5ed d15ab1ed d15ea5ed along with multiword ones like fee1dead dead1055 badca5e5 --Malcolm -- Malcolm Beattie <[EMAIL PROTECTED]> Unix Systems Programmer Oxford University Computing Services - To unsubscribe fr