Messages in this thread |  | | From | Hans Verkuil <> | Subject | ataraid and mount -l causes IDE errors | Date | Mon, 26 Aug 2002 00:04:26 +0200 |
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I've recently updated the util-linux package from version 2.11r to 2.11u and discovered that running 'mount -l' results in a large number of IDE errors and that afterwards the harddisk DMA was turned off (running a vanilla 2.4.19 kernel).
After some research I discovered that in 2.11s a test was added to check for raid disks. Checking for a disk label should only be done on the full raid, not on the disks that form the raid array. However, this test causes a lot of problems when run on my striped promise fasttrak 100 array.
I've created a simple test program to illustrate the problem:
>>>>>>> cut #include <stdio.h> #include <fcntl.h> #include <unistd.h> #include <errno.h>
int main(int argc, char **argv) { int fd, rv; char buf[4096];
fd = open(argv[1], O_RDONLY); if (fd < 0) { printf("fail\n"); return 1; } errno = 0; rv = lseek(fd, -4096, SEEK_END); printf("lseek: %d %s\n", rv, strerror(errno)); errno = 0; rv = read(fd, buf, 4096); printf("read: %d %s\n", rv, strerror(errno)); close(fd); return 0; } >>>>>>> cut
When run with '/dev/ide/host2/bus0/target0/lun0/part4' (this is the last partition of my striped raid array /dev/ataraid/disc0/disc consisting of disks /dev/ide/host2/bus0/target0/lun0/disc and /dev/ide/host2/bus0/target1/lun0/disc) the following kernel messages appear:
>>>>>>> start messages hde: dma_intr: status=0x51 { DriveReady SeekComplete Error } hde: dma_intr: error=0x04 { DriveStatusError } hde: dma_intr: status=0x51 { DriveReady SeekComplete Error } hde: dma_intr: error=0x04 { DriveStatusError } hde: dma_intr: status=0x51 { DriveReady SeekComplete Error } hde: dma_intr: error=0x04 { DriveStatusError } hde: dma_intr: status=0x51 { DriveReady SeekComplete Error } hde: dma_intr: error=0x04 { DriveStatusError } hde: DMA disabled hdf: DMA disabled PDC202XX: Primary channel reset. ide2: reset: success hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } PDC202XX: Primary channel reset. ide2: reset: success hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } end_request: I/O error, dev 21:04 (hde), sector 188410312 hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } PDC202XX: Primary channel reset. ide2: reset: success hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } PDC202XX: Primary channel reset. ide2: reset: success hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } end_request: I/O error, dev 21:04 (hde), sector 188410314 hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } PDC202XX: Primary channel reset. ide2: reset: success hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } PDC202XX: Primary channel reset. ide2: reset: success hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } end_request: I/O error, dev 21:04 (hde), sector 188410316 hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } PDC202XX: Primary channel reset. ide2: reset: success hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } PDC202XX: Primary channel reset. ide2: reset: success hde: read_intr: status=0x59 { DriveReady SeekComplete DataRequest Error } hde: read_intr: error=0x04 { DriveStatusError } end_request: I/O error, dev 21:04 (hde), sector 188410318 >>>>>>>>>> end messages
I suspect some sanity check is missing in the Promise driver or elsewhere. These messages appear while trying to read the last 4096 bytes of a partition that extends way beyond the physical size of the disc as the partition is actually the partition of the whole raid array.
Is this a known problem? Does anyone have a fix?
Regards,
Hans Verkuil
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