Re: Can't connect to paer
On Sat, May 21, 2005 at 11:18:26AM -0700, Matt Taggart wrote:
> Hi Ian,
>
> Thanks for the report, I'm cc'ing debian-hppa in case others are seeing it or
> have ideas about what the problem might be.
...
> > $ ssh -v paer.debian.org
...
> When I connected to the console is was printing this over and over and I
> couldn't get a login prompt,
...
> spin_lock(00000000104b9528) CPU#1 NIP 000000001013536c holder: cpu 0 pc
> 1013536C
I have no idea what this is about.
> Keep in mind paer is still running a 2.4 kernel (2.4.26-64-smp version
> 2.4.26-6) and woody so there my not be much we can do (but there's probably a
> newer 2.4 kernel we can move to at least if we think it would help).
Lately, the most stable 64-bit SMP kernel I've had is 2.6.11-pa4.
But even that is no panacea...it still has the copy_user_page_asm
bug that I introduce in January. I committed a simple one-line fix
in April to 2.6.12-rc2-pa3:
- ADDIB> -1, %r1, 1b /* bundle 10 */
+ /* conditional branches nullify on forward taken branch, and on
+ * non-taken backward branch. Note that .+4 is a backwards branch.
+ * The ldd should only get executed if the branch is taken.
+ */
+ ADDIB>,n -1, %r1, 1b /* bundle 10 */
I can't think of any other major bugs relevant to a500 offhand.
So far, 2.6.12-rc kernels just don't work as well.
hth,
grant
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