Re: PROBLEM: Segmentation fault [SIGSEGV] reading from /proc/tty/driver/serial

2000-09-18 Thread Igmar Palsenberg
> reproduce the exact kernel configuration of my running 2.2.14 system > and a 2.2.17 kernel. (It would be extremely useful to have a pointer > to a tool which would duplicate the configs rather than going through > the manual process of configuring the kernel build). cp .config new_kernel_dir

Re: PROBLEM: Segmentation fault [SIGSEGV] reading from /proc/tty/driver/serial

2000-09-17 Thread Igmar Palsenberg
On Sat, 16 Sep 2000, David Ford wrote: > There was a round of discussion about /proc.../serial back in May. It > covered corruption and bad addresses. Although it didn't specifically say > "I'm fixing the segmentation fault that some people are going to report", > they did indeed discuss the ba

Re: PROBLEM: Segmentation fault [SIGSEGV] reading from /proc/tty/driver/serial

2000-09-17 Thread Igmar Palsenberg
> Igmar, > > Thanks for attempting to validate that the problem is fixed in a > later release. However, I still stand by my submission. The problem was that the kernel was overwriting a userspace buffer, used to copy the data to. I can have a look at the code to see if it is really fixed. It

Re: PROBLEM: Segmentation fault [SIGSEGV] reading from /proc/tty/driver/serial

2000-09-16 Thread David Ford
There was a round of discussion about /proc.../serial back in May. It covered corruption and bad addresses. Although it didn't specifically say "I'm fixing the segmentation fault that some people are going to report", they did indeed discuss the bad data, smp locking, and etc precisely on serial

PROBLEM: Segmentation fault [SIGSEGV] reading from /proc/tty/driver/serial

2000-09-16 Thread David Ciemiewicz
Igmar, Thanks for attempting to validate that the problem is fixed in a later release. However, I still stand by my submission. If the readers will note, the problem is in 2.2.14 and AND in 2.3.5 as referenced by another auther. It looks like the info structure in drivers/char/serial.c:line_in

Re: PROBLEM: Segmentation fault [SIGSEGV] reading from /proc/tty/driver/serial

2000-09-16 Thread Igmar Palsenberg
On Fri, 15 Sep 2000, David Ciemiewicz wrote: > [4.] Linux version 2.2.14-5.0 ([EMAIL PROTECTED]) (gcc version Don't report bugs with this old version. [root@base igmar]# uname -a Linux base.jdimedia.nl 2.2.17acl #2 Mon Sep 11 02:23:03 CEST 2000 i586 unknown [root@base igmar]# cat /proc/tty/dri

PROBLEM: Segmentation fault [SIGSEGV] reading from /proc/tty/driver/serial

2000-09-15 Thread David Ciemiewicz
[1.] Segmentation fault [SIGSEGV] reading from /proc/tty/driver/serial [2.] Programs which read from /proc/tty/driver/serial (using stdio?) will terminate prematurely with a segmentation fault [SIGSEGV] and do not produce a corefile. This was discovered running the sysstat 3.4.2 sadc program whic