> Hello, > I change printk.c as > #if !defined(CONFIG_LOG_BUF_SHIFT) || > (CONFIG_LOG_BUF_SHIFT == 0) > #if defined(CONFIG_MULTIQUAD) || > defined(CONFIG_IA64) > #define LOG_BUF_LEN (65536) > #elif defined(CONFIG_ARCH_S390) > #define LOG_BUF_LEN (131072) > #elif defined(CONFIG_SMP) > #define LOG_BUF_LEN (32768) > #else > #define LOG_BUF_LEN (32768) /* > This must be a power of two */ > #endif > #else /* CONFIG_LOG_BUF_SHIFT */ > #define LOG_BUF_LEN (1 << CONFIG_LOG_BUF_SHIFT) > #endif > > But still i am not getting 32kb output instead i am > getting 16kb. I have recompiled properly and boot > new > image. > regards, > cranium check ur config file in /usr/src/<linux>/.config and depending upon value of any flag defined tht file change ur relative LOG_BUF_LEN in above cases. otherwise just comment all cases and just write #define LOG_BUF_LEN (1024*1024) > --- anil dahiya <ak_ait@xxxxxxxxx> wrote: > > > > > Hello anil, > > > > But what should be the max val i > can > > > > assign to LOG_BUF_LEN? I am using RH9 on > Pentium > > 4 > > > > machine. > > > > > > Whatever. You will get at most LOG_BUF_LEN bytes > > out > > > of dmesg, so it > > > must be larege enough that the messages you are > > > interested in fit in. It > > > is a static buffer that eats up your memory, so > it > > > should be reasonably > > > small not to eat up too much of it. > > > > size can be anything but it shld be in power of 2 > > but > > keep the things in mind as explained by Mr. Jan > > Hudec > > ---Anil > > > > > Note: distro and cpu are irrelevant here -- > memory > > > and kernel version > > > are relevant (kernel from RH package is > different > > > than kernel from > > > kernel.org). > > > > > > > > > ------------------------------------------------------------------------------- > > > Jan 'Bulb' Hudec <bulb@xxxxxx> > > > > > > > > ATTACHMENT part 2 application/pgp-signature > > name=signature.asc > > > > > > > > > > > > __________________________________ > > Do you Yahoo!? > > Yahoo! Mail - Easier than ever with enhanced > search. > > Learn more. > > http://info.mail.yahoo.com/mail_250 > > > > > > > __________________________________ > Do you Yahoo!? > Yahoo! Mail - 250MB free storage. Do more. Manage > less. > http://info.mail.yahoo.com/mail_250 > __________________________________ Do you Yahoo!? Yahoo! Mail - You care about security. So do we. http://promotions.yahoo.com/new_mail -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
