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SubjectRe: x86_64 panic on latest linux-2.6
On Sun, May 25, 2008 at 10:51:33AM +0200, Mariusz Kozlowski wrote:
> Hello,

Hi Mariusz,

> My x86_64 box is not willing to boot.
>
> http://tuxland.pl/tmp/s7300372.jpg (275kB)
>
> (gdb) p blk_lookup_devt
> $1 = {dev_t (const char *, int)} 0xffffffff8032a430 <blk_lookup_devt>
> (gdb) l *(0xffffffff8032a430+0x7f)
> 0xffffffff8032a4af is in blk_lookup_devt (block/genhd.c:664).
> 659 dev_t devt = MKDEV(0, 0);
> 660
> 661 mutex_lock(&block_class_lock);
> 662 list_for_each_entry(dev, &block_class.devices, node) {
> 663 if (strcmp(dev->bus_id, name) == 0) {
> 664 struct gendisk *disk = dev_to_disk(dev);
> 665
> 666 if (part < disk->minors)
> 667 devt = MKDEV(MAJOR(dev->devt),
> 668 MINOR(dev->devt) + part);
> (gdb)

thanks for your report.

Does reverting of commit 30f2f0eb4bd2c43d10a8b0d872c6e5ad8f31c9a0
(block: do_mounts - accept root=<non-existant partition>) fix it?

> Mariusz
>...

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed



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