![]() | |||||||||||||
Messages in this thread |
Well. I expected similar answer :) But unfortunately it's not my decision to use CentOS. Also I couldn't get RH customer support for some reasons. So anyway thank you for answer. Regards, Kostya. Willy Tarreau wrote: > Hello, > > On Wed, Mar 14, 2007 at 04:35:55PM +0300, Konstantin Kalin wrote: > >> Hello, All >> >> I have the following configuration: CentOS 3.8, kernel >> 2.4.21-41.0.01.EL, Dialogic boards. >> Sometimes a kernel panic happens. I setup netdump and got several crash >> dumps and logs. Backtrace shows that kswapd called BUG in try_to_unmap >> function. Unfortunately I couldn't upgrade the kernel because of >> proprietary Dialogic drivers which are precompiled. >> >> Could somebody help me? I tried to find similar issues in maillist and >> failed with it. There are a few messages but they describe another case. >> > > Well, I think you're trying to get both the cake and the money for it. > You use a vendor-specific stable kernel in order to get a high reliability > and good hardware support, but without paying for the customer support > associated with it, and when you have a problem you ask for free help > here where people don't know much about it (except for those who worked > on it). > > By trying to get all advantages, you're in the worst situation : you have > a bug with a kernel that nobody knows except the vendor, and you can't > beat the vendor for this. I don't know if CentOS offers community-based > support through mailing lists or such, but maybe you'd loose less time > and money by buying the smallest support contract from RH and ask them > to help you on this problem. > > >> As I understand the rmap.c are under active development and it's >> strongly been changing per each kernel version. Also if I understand >> correct rmap.c has appeared in the kernel 2.6.x and my version of the >> kernel is a backport by RedHat from 2.6 to 2.4. >> > > Nope, it was initially written for 2.4 by Rik van Riel, and supported > for a long time as a patch for these kernels. Later it got merged in > 2.4-ac which became a base for RHEL3. It was also merged in 2.6 but > I believe that it got important changes, though I'm not sure. > > >> Information about the crash is below. The specific of my system is a lot >> of java thread (up to 1500). >> > > I'm not sure that many people here will be able to provide you with much > help, unfortunately. > > Regards, > Willy > > > > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2007-03-15 06:27 [from the cache] ©2003-2008 | |||||||||||||