Yenta_socket lsPCI IRQ reads incorrect

Michael Frank (mflt1@micrologica.com.hk)
Mon, 14 Jul 2003 13:41:44 +0800

[mhf@mhfl2 13:40:27 mhf]$ cat /proc/interrupts
CPU0
0: 1242348 XT-PIC timer
1: 5253 XT-PIC i8042
2: 0 XT-PIC cascade
5: 88 XT-PIC Toshiba America Info ToPIC95 PCI to Cardb, serial
8: 0 XT-PIC rtc
9: 162 XT-PIC acpi
10: 1003 XT-PIC eth0
12: 23967 XT-PIC i8042
14: 8698 XT-PIC ide0
NMI: 0
LOC: 0
ERR: 5
MIS: 0

lspci shows that IRQ level: byte 3C is FF, it should be 5

00:12.0 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support (rev 32)
00: 79 11 17 06 00 00 90 04 32 00 07 06 00 40 82 00
10: 00 10 00 10 80 00 80 04 00 01 04 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 ff 01 00 00
40: 79 11 01 00 01 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

When this value is used by pci_restore_state, interrupt
obviously dies.

Dunno if this is hardware readback fault or driver issue.

Regards
Michael

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- 2.5 yenta_socket testing
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More info on 2.5 kernel: http://www.codemonkey.org.uk/post-halloween-2.5.txt
More info on swsusp: http://sourceforge.net/projects/swsusp/


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