Messages in this thread | | | Date | Sat, 18 Dec 1999 18:36:51 -0600 (EST) | From | Robert Johannes <> | Subject | attempt to access beyond end of device |
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ncr53c875-0-<0,0>: phase change 2-7 6@00fbc038 resid=1. attempt to access beyond end of device 08:04: rw=0, want=1414745929, limit=6197248 attempt to access beyond end of device 08:04: rw=0, want=538976289, limit=6197248 attempt to access beyond end of device 08:04: rw=0, want=538976289, limit=6197248
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That was just a snippet of the kind of errors I'm getting. Ok, I know that for those of you who have been following the above topic are probably getting tired of it, but I live with this situation everyday, and have some insights I would like to air, that I've not seen aired yet (unless I missed something; I know I did, I just don't know what).
My system hardware is as follows: AMD k62 300, with Tekram DC390F scsi card (with seagate ST39173WC), matrox G200 AGP card, FIC PA-2013 mother board with 1mb cache, DEC500 ethernet and 64mb memory. This hardware drives redhat 5.2, kernel 2.0.36.
I've run kernels 2.0.36 through 2.2.13 with above configuration, and still gotten those errors and file corruption.
I've been running redhat 5.2 on this system, with slightly varying hardware configuration, for just over a year now. I ONLY started getting the above errors and file corruption in late October '99, which is when I switched my vga hardware AND software, from using PCI S3_Virge/4mbram and XF86-3.3.3 to using matrox AGP G200/8mbram with XF86-3.3.5. One time I came back home, to find my system's boot sector wiped out, so I had to re-install the distribution (lackily, I had backed-up my system).
I've observed that I only get file corruption and the above errors when I'm running in X and the system is fairly busy, say, when I'm compiling something, or doing semi-intensive disk i/o. To test this theory, I embarked on compiling glibc-2.1.2 and the latest version of gcc. I compiled glibc while in console mode (no x running) without a single glitch. I rebooted the system (just to use a fresh system) so I can compile in X windows, and sure enough, about midway through the compile of glibc, I got filesystem corruption and the above errors. I did the same thing with gcc, and got similar results. Whenever I compile anything fairly large in X, I get the above errors.
It is this observation that has led me to post to this list, at least to point out that I've a pattern here that is being caused by a specific combination of interactions; i.e, using x and doing fairly intensive disk i/o. Could it be the XF86-3.3.5 driver that's the cause of this problem? Could it be conflict between XF86-3.3.5 and the scsi driver in the kernel, conflict between the AGP and SCSI card.
My observations have not been scientific, so I'm not claiming anything. I'm simply stating observations that I think might be helpful in narrowing down the problem. If this problem has been solved, please notify me of what and where the fix is.
Thanks
Robert Johannes
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