Re: Debugging 64-bit kernel crashes involving
"John David Anglin" <[email protected]>
| Newsgroups | gmane.linux.ports.hppa |
|---|---|
| Message-ID | <[email protected]> |
> > IIR: 0ec25033 ISR: 00000000000e2800 IOR: 00000000000aac8c > ^^^^^^^^^^^^^^^^ > This clearly identifies the faulting space This is for ldb,ma 1(sr1,r22),r19 > > CPU: 0 CR30: 000000009ad38000 CR31: 0000000040848000 > > ORIG_R28: 00000000407f6c00 > > IAOQ[0]: pa_memcpy+0x114/0x2d0 > > IAOQ[1]: pa_memcpy+0x118/0x2d0 > > RP(r2): copy_from_user+0x34/0x40 > > Backtrace: > > Which means that somehow a TLB entry got inserted for address > 00000000000aac8c in space 00000000000e2800 which didn't have the correct > Access ID (which for us should have been the space 00000000000e2800). Just wondering why a protection id trap causes the system to eat sparcs... Is this a combined TLB issue? Dave -- J. David Anglin [email protected] National Research Council of Canada (613) 990-0752 (FAX: 952-6602)