> I wonder if it would help to enable the kunmap_atomic support used
> for the PA8800/PA8900 for the B2000. It might be non equivalent aliasing
> causes corruption.
I did changed asm/processor.h to include my CPU:
static inline int parisc_requires_coherency(void)
{
#ifdef CONFIG_PA8X00
return (boot_cpu_data.cpu_type >= pcxu);
#endif
}
CONFIG_PA8X00 is defined.
Still crashes.
> Are you using standard 4K pages?
Yes: CONFIG_PARISC_PAGE_SIZE_4KB=y
> I assume that it's always the thread created by pthread_create that's
> causing the segv.
Yes, all my tests up to now indicated that too.
> What does the stack region for the thread look
> like when it drops core? Possibly, we have two separate issues.
do_page_fault() pid=3890 command='minifail_dave' type=6 address=0x00000003
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00000000000001001111111100001111 Not tainted
r00-03 0004ff0f 10561000 401190d7 c046e3c0
r04-07 4012b5f4 00000007 4012bdf4 00000000
r08-11 4012be64 00000000 c046e3ca 0000001c
r12-15 4012be60 4012c7f8 00000000 c046e448
r16-19 4012c0b0 c046e448 40129270 00000000
r20-23 00000000 00000000 00000000 00000000
r24-27 fffffff5 ffffffd3 4012c0b0 00011dac
r28-31 00000000 4012c0b0 c046e4c0 401190d7
sr00-03 00008dd2 00000000 00000000 00008dd2
sr04-07 00008dd2 00008dd2 00008dd2 00008dd2
IASQ: 00008dd2 00008dd2 IAOQ: 00000003 00000007
IIR: 43ffff80 ISR: 00008dd2 IOR: 40000bd0
CPU: 0 CR30: 87d24000 CR31: ffffffff
ORIG_R28: 00000000
IAOQ[0]: 00000003
IAOQ[1]: 00000007
RP(r2): 401190d7
or
do_page_fault() pid=28779 command='minifail_dave' type=6 address=0x00000003
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00000000000001001111111100001111 Not tainted
r00-03 0004ff0f 10561000 401190d7 bff943c0
r04-07 4012b5f4 00000007 4012bdf4 00000000
r08-11 4012be64 00000000 bff943ca 0000001c
r12-15 4012be60 4012c7f8 00000000 bff94448
r16-19 4012c0b0 bff94448 40129270 00000000
r20-23 00000000 00000000 00000000 00000000
r24-27 fffffff5 ffffffd3 4012c0b0 00011dac
r28-31 00000000 4012c0b0 bff944c0 401190d7
sr00-03 000070bc 00000755 00000000 000070bc
sr04-07 000070bc 000070bc 000070bc 000070bc
IASQ: 000070bc 000070bc IAOQ: 00000003 00000007
IIR: 43ffff80 ISR: 000070bc IOR: 40000bd0
CPU: 1 CR30: 8cfe4000 CR31: ffffffff
ORIG_R28: 00000000
IAOQ[0]: 00000003
IAOQ[1]: 00000007
RP(r2): 401190d7
or
do_page_fault() pid=9898 command='minifail_dave' type=15 address=0x000000fc
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00000000000001101111111100001111 Not tainted
r00-03 0006ff0f 0029608d 40114127 00000000
r04-07 4012b5f4 40001768 00000007 00000000
r08-11 f4385cbf 40129270 4012bdf4 40d52348
r12-15 07a1c2e5 0000001f 40d52448 4012b5f4
r16-19 4012bdf4 40d52358 00000000 4012b5f4
r20-23 0001014c 00000000 0f843530 4031bdc4
r24-27 40d52348 00000003 000000f0 00011dac
r28-31 000000f0 40d52448 40d52580 4011410b
sr00-03 0000a53c 00000000 00000000 0000a53c
sr04-07 0000a53c 0000a53c 0000a53c 0000a53c
IASQ: 0000a53c 0000a53c IAOQ: 40113c23 40113c27
IIR: 0f58101c ISR: 0000a53c IOR: 000000fc
CPU: 0 CR30: 87c78000 CR31: ffffffff
ORIG_R28: 00000000
IAOQ[0]: 40113c23
IAOQ[1]: 40113c27
RP(r2): 40114127
--
GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT!
Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01
--
To unsubscribe from this list: send the line "unsubscribe linux-parisc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
