Messages in this thread | | | From | kernel@street-v ... | Subject | Re: AMD 760MPX DMA lockup | Date | Thu, 12 Sep 2002 15:07:38 +0000 (GMT) |
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> > Hello, kernel hackers, > > my dual athlon box is unstable in some situations. I can consistently > lock it up by running the following code: > > fd = open("/dev/hda3", O_RDWR); > for (i=0; i<1024*1024; i++) { > read(fd, buffer, 8192); > lseek(fd, -8192, SEEK_CUR); > write(fd, buffer, 8192); > } > > It locks up in a minute or so (solid lock up, it does not react even > to a NumLock key or console switching). It can surely be a HW problem > (this is a new box), but how to tell whether this is the case? > > The mainboard is MSI K7D Master, AMD 760MPX chipset, 460W power supply, > 1GB RAM. > > The box survived whole night of memtest86 and the whole night of three kernel > compiles running in parallel in an infinite loop. > > This problem is on many recent kernels (tried 2.4.18-11 from RedHat "null", > 2.4.20-pre5-ac1, 2.4.20-pre5-ac5, 2.4.20-pre6). It does not matter whether > I compile the kernel SMP or UP, with or without CONFIG_HIGHMEM.
Well I have run this several times on my MPX, and it is fine.
This is 2.4.20-pre1, dual AMD 2000MP, only difference is it is the Tyan version of the MPX, not the MSI.
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