An easier way to check is described here: http://i-cluster2.inrialpes.fr/doc/misc/fpswa.txt
> -----Original Message----- > From: Magenheimer, Dan (HP Labs Fort Collins) > Sent: Wednesday, January 25, 2006 3:23 PM > To: 'You, Yongkang'; [email protected] > Subject: RE: [Xen-ia64-devel] 2 LTP math cases failed in xen0 > > There may be better ways of turning off FPSWA, but > here's one that should work: > > Change linux/arch/ia64/kernel/traps.c:trap_init() so > that fpswa_interface is always set to 0. > > If a native kernel without this change passes the > two LTP float_* tests but the same native kernel with > this change fails, it would explain why Xen/ia64 doesn't > work on the tests... Xen/ia64 doesn't support FPSWA. > > > -----Original Message----- > > From: You, Yongkang [mailto:[EMAIL PROTECTED] > > Sent: Sunday, January 22, 2006 6:54 PM > > To: Magenheimer, Dan (HP Labs Fort Collins); > > [email protected] > > Subject: RE: [Xen-ia64-devel] 2 LTP math cases failed in xen0 > > > > Hi Dan, > > > > I am not sure about how to check if those math cases are > > using FPSWA. I greped the key word in float math cases, but > > nothing found. > > > > 1 information is that these 2 cases (float_exp_log and > > float_power) can pass in the VTi and IA32 testing. I paste > > the float codes in the attachment tar ball. Hope it can give > > some help. If need any information, please let me know. > > > > Best Regards, > > Yongkang (Kangkang) 永康 > > > > >-----Original Message----- > > >From: Magenheimer, Dan (HP Labs Fort Collins) > > >[mailto:[EMAIL PROTECTED] > > >Sent: 2006年1月21日 1:23 > > >To: You, Yongkang; [email protected] > > >Subject: RE: [Xen-ia64-devel] 2 LTP math cases failed in xen0 > > > > > >Hi Yongkang -- > > > > > >Could you see if the math tests that fail are using > > >FPSWA (the EFI floating point software assist module)? > > >I think it is possible to boot Linux with FPSWA disabled. > > >If this also fails these math tests, it would explain > > >why Xen/ia64 fails these tests as Xen/ia64 does not > > >currently support FPSWA (or any EFI modules). > > > > > >Thanks, > > >Dan > > > > > >> -----Original Message----- > > >> From: [EMAIL PROTECTED] > > >> [mailto:[EMAIL PROTECTED] On Behalf > > >> Of You, Yongkang > > >> Sent: Friday, January 20, 2006 12:35 AM > > >> To: [email protected] > > >> Subject: [Xen-ia64-devel] 2 LTP math cases failed in xen0 > > >> > > >> Hi all, > > >> > > >> I have run a basic LTP testing on Xen0. Except for 1 system > > >> call case failed has reported, there are 2 math cases failed > > >> too. But they can pass in the Native Linux of the same > > >> hardware environment. These two cases are related to float > > >> calculation. > > >> > > >> The testing environment is: > > >> Xen source is xen-ia64-unstable tree Changeset 8476. > > >> CPU is Intel Montecito. > > >> Native and service OS Linux is RHEL4u2. > > >> The LTP is the one of 2005-12-5. > > >> > > >> The attachment is the summary of testing results. This time I > > >> run these test suites: > > >> systemcall, memory test, disk io, nptl, math, ipc, pty, > sched, fs. > > >> > > >> I will try to run more testing of LTP and report issues. Hope > > >> it can help to stable xen0. :) > > >> > > >> Best Regards, > > >> Yongkang (Kangkang) 永康 > > >> > > >> > > >
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