Greetings, Any poassability that the amount of memory passed to the kernel is too high and the crashes are due to using non-existant memory for a buffer or struct?
1st test is check reported memory on boot, 2nd is memtest86, 3rd is to pass mem=(some small value) to the kernel and see what happens. G'day, sjames On Mon, 2 Dec 2002, Munjun Kang wrote: > > "Ronald G. Minnich" <[EMAIL PROTECTED]> writes: > > > > > any ideas? > > > > > > ron > > > > > > ---------- Forwarded message ---------- > > > Date: Fri, 29 Nov 2002 15:35:52 +0900 > > > From: Munjun Kang <[EMAIL PROTECTED]> > > > To: Ronald G. Minnich <[EMAIL PROTECTED]> > > > Subject: Re: file system error > > > > > > Thanks for your reply. > > > > > > I tried as your suggest. > > > > > > dd if=/dev/zero of=/dev/hda bs=1024 count=10000 ~ 100000 > > > Segmentation fault's are occured in random by count. > > > > > > and then, turn off the UDMA feature by hdparm option. > > > But, I can see same symptom. > > > > All DMA is turned off hdparm -d0 /dev/hda ?? > Yes, I did it. > > > > > > In this time, I tried to attach SCSI & IEEE1394 SBP-2 devices. > > > case1. Adaptec 2930 SCSI adapter + 8GB Seagate SCSI HDD > > > case2. IEEE1394 Interface card + external IEEE1394 HDD > > > both cases show the same problem. > > > > The northbridge having DMA problems is still a canidate. > > SCSI disks do DMA as well. > > > > > Now, I think it's not a DMA problem. > > > I'm in the maze. hmmmm...... > > > > > > Is there any clear hint? > > > > Past history with the Athlon problems on VIA chipsets > > says that some VIA northbridges have problems with burst traffic. > > > > And either DMA or a fast memory copy could trigger it. memtest86 > > currently does not have an optimized memcpy so it could miss that problem. > > > > Currently I consider your northbridge to be the best canidate. > > The same kernel is run under both BIOSes? > I tried in several cases. > 1. Build-in BIOS + 2.4.18-13 (redhat 8.0) => work > 2. Linuxbios + 2.4.18-13 (redhat 8.0) => don't work > 3. Linuxbios + 2.4.19 => don't work > > > > > Compared to your previous BIOS are there any unknown settings > > in the northbridge? > > > > In particular what are the differences between, on both boards, > > and can you account for the differences. > > lspci -s 0:0.0 -xxx > > And can you account for all differences. > In work, > 00:00.0 Host bridge: VIA Technologies, Inc. VT8605 [ProSavage PM133] > 00: 06 11 05 06 06 00 10 a2 00 00 00 06 00 08 00 00 > 10: 08 00 00[e8]00 00 00 00 00 00 00 00 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00[06 11 05 06] > 30: 00 00 00 00 a0 00 00 00 00 00 00 00 00 00 00 00 > 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 50: fd db c8 be 05 00 08 08 c0 00 08 08 08 08 08 08 > 60: 03[aa]00[20]e6 d5 d5 00 43 38 86 0d 08 21 00 00 > 70: c4 88[cc]0c 0e 81 52 00 01 b4 09 00 00 00 00 00 > 80: 0f 40 00 00 c0 00 00 00 02 00 00 00 00 00 00 00 > 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > a0: 02 c0 20 00 07 02 00 1f 00 00 00 00 2f 02 04 00 > b0: 40 ff 10 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 01 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f0: 00 00 00 00 00 00 06 00 32 42 00 b0 00 00 00 00 > > In problem, > 00:00.0 Class 0600: 1106:0605 > 00: 06 11 05 06 06 00 10 a2 00 00 00 06 00 08 00 00 > 10: 08 00 00[f8]00 00 00 00 00 00 00 00 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00[00 00 00 00] > 30: 00 00 00 00 a0 00 00 00 00 00 00 00 00 00 00 00 > 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 50: fd db c8 be 05 00 08 08 c0 00 08 08 08 08 08 08 > 60: 03[00]00[00]e6 d5 d5 00 43 38 86 0d 08 21 00 00 > 70: c4 88[4c]0c 0e 81 52 00 01 b4 09 00 00 00 00 00 > 80: 0f 40 00 00 c0 00 00 00 02 00 00 00 00 00 00 00 > 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > a0: 02 c0 20 00 07 02 00 1f 00 00 00 00 2f 02 04 00 > b0: 40 ff 10 00 00 00 00 00 00 00 00 00 00 00 00 00 > c0: 01 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 > d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > f0: 00 00 00 00 00 00 06 00 32 42 00 b0 00 00 00 00 > > 0x13 : Graphics Aperature Base > 0x2c : I don't know. maybe same with vendor & device ID > 0x61, 0x62 : shadow ram setting > 0x72 : CPU to PCI Flow control. difference bit 7 is described as follow. > 7bit Retry Status > 0 No retry occurred -------- default > 1 Retry occurred ----------- write 1 to clear > > In my opinion, there are not special differences. > > > > > Eric > > > > _______________________________________________ > > Linuxbios mailing list > > [EMAIL PROTECTED] > > http://www.clustermatic.org/mailman/listinfo/linuxbios > > > _______________________________________________ > Linuxbios mailing list > [EMAIL PROTECTED] > http://www.clustermatic.org/mailman/listinfo/linuxbios > -- -------------------------steven james, director of research, linux labs ... ........ ..... .... 230 peachtree st nw ste 701 the original linux labs atlanta.ga.us 30303 -since 1995 http://www.linuxlabs.com office 404.577.7747 fax 404.577.7743 ----------------------------------------------------------------------- _______________________________________________ Linuxbios mailing list [EMAIL PROTECTED] http://www.clustermatic.org/mailman/listinfo/linuxbios
