Badari Pulavarty wrote:
Badari Pulavarty <[email protected]> wrote:
On Mon, 2005-11-14 at 16:17 -0800, Andrew Morton wrote:
Badari Pulavarty <[email protected]> wrote:
My 2-cpu EM64T machine started showing this problem again on 2.6.14.
On some reboots, X seems to spin in the kernel forever.
sysrq-t output shows nothing.
X R running task 0 3607 3589 3903
(L-TLB)
top shows:
3607 root 25 0 0 0 0 R 99.1 0.0 262:04.69 X
So, I wrote a module to do smp_call_function() on all CPUs
to show stacks on them. CPU0 seems to be spinning in exit_mmap().
I did this multiple times to collect stacks few times.
Is this a known issue ?
I've seen similar problems on dual Opteron HP xw9300/Radeon 7000 PCI box with 2.6.11.12
and latest X from Fedora x86-64 YUM repos.
I haven't done any traces but it sounds like the same problem (ie X server is spinning).
Disabling DRI in xorg.conf fixed it for me.
Max
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