Messages in this thread |  | | Subject | Re: linux-2.4.0 scsi problems on NetFinity servers | From | "Ken Brunsen/Iris" <> | Date | Wed, 10 Jan 2001 08:58:18 -0500 |
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Ok, on a suggestion from JP, I've built the 2.4.0 kernel without SMP support. I did, however, have to make one change to a header file to get it to compile the kernel and here is a diff
diff include/linux/linux/kernel_stat.h include/linux/linux/kernel_stat.h.sv 48d47 < #ifdef CONFIG_SMP 50d48 < #endif
The code was only for stats, but did not have the appropriate wrapper around a for-loop clause to access an SMP only variable.
So, with SMP support off, I started my tests and then headed home for the evening. This morning when I arrived, I found my machine had crashed on the 2nd run of my copy test, but with a little bit of a different crash. First I'm getting multiple messages of the type
I/O error: dev 08:01
and then I'm getting messages of the type
EXT2-fs error (device sd(8,1)): read_inode_bitmap: Cannot read inode bitmap - block_group = 34, inode_bitmap = 1114113 EXT2-fs error (device sd(8,1)): ext2_write_inode: unable to read inode block - inode=229832, block=458756
where the numbers for the inodes, blocks, bitmaps, and groups vary; also attempting to run any process in my root tty (even just reboot) results in a segv and the I/O error messages some more (of note, the only filesystem that gets trashed, ever, is the one with the test running on it, the root partition is separate and never is affected, nor is any other partition). So, although SMP may aggrevate the situation, it is not, apparently, the cause of the problem.
BTW: this test case basically destroys my test filesystem such that I've taken to creating a new fs on the partition each time - I tried fixing it twice with fsck, and after 2 days it had still not completed the fixup in each case.
thanks
kenbo
______________________ Firebirds rule, `stangs serve!
Kenneth "kenbo" Brunsen Iris Associates
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