* Procinfo behaving strange under 2.4.19-pre10
@ 2002-06-21 6:57 Rasmus Bøg Hansen
2002-06-23 20:02 ` 1000000000 as irq count init (was: Procinfo behaving strange under 2.4.19-pre10) Axel Thimm
0 siblings, 1 reply; 3+ messages in thread
From: Rasmus Bøg Hansen @ 2002-06-21 6:57 UTC (permalink / raw)
To: Linux Kernel Mailing List; +Cc: Sander van Malssen
Hi
I upgraded a short time ago from kernel 2.4.18 to 2.4.19-pre10, but now
procinfo reports interrupts in a strange way.
2.4.19-pre10:
# procinfo
Linux 2.4.19-pre10 (root@grignard) (gcc 2.95.4 20011002 ) #2 1CPU [grignard]
Memory: Total Used Free Shared Buffers Cached
Mem: 257480 225016 32464 0 20912 119516
Swap: 265064 0 265064
Bootup: Fri Jun 21 08:12:02 2002 Load average: 0.03 0.07 0.02 2/83 16013
user : 0:01:06.58 3.2% page in : 128235 disk 1: 10476r 6363w
nice : 0:00:00.00 0.0% page out: 90740
system: 0:00:30.95 1.5% swap in : 1
idle : 0:32:59.28 95.3% swap out: 0
uptime: 0:34:36.80 context : 561976
irq 0:1000207681 timer irq 8:1000000003
irq 1:1000004868 keyboard irq 9:1000000000 acpi
irq 2:1000000000 cascade [4] irq 10:1000007854 eth0
irq 3:1000000000 irq 11:1000114199 nvidia
irq 4:1000000000 irq 12:1000026199 PS/2 Mouse
irq 5:1000003195 es1370 irq 13:1000000000
irq 6:1000000000 irq 14:1000016806 ide0
irq 7:1000000000 irq 15:1000000000
# cat/proc/interrupts
CPU0
0: 207681 XT-PIC timer
1: 4868 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 3195 XT-PIC es1370
9: 0 XT-PIC acpi
10: 7857 XT-PIC eth0
11: 114199 XT-PIC nvidia
12: 26199 XT-PIC PS/2 Mouse
14: 16806 XT-PIC ide0
NMI: 0
ERR: 0
After rebooting to 2.4.18:
# procinfo
Linux 2.4.18 (root@grignard) (gcc 2.95.4 20011002 ) #1 1CPU [grignard]
Memory: Total Used Free Shared Buffers Cached
Mem: 256228 47544 208684 0 3720 26012
Swap: 265064 0 265064
Bootup: Fri Jun 21 08:48:25 2002 Load average: 0.24 0.06 0.02 1/47 664
user : 0:00:01.73 4.2% page in : 27919 disk 1: 2206r 571w
nice : 0:00:00.00 0.0% page out: 8616
system: 0:00:04.61 11.2% swap in : 1
idle : 0:00:34.87 84.6% swap out: 0
uptime: 0:00:41.21 context : 8126
irq 0: 4121 timer irq 9: 0 acpi
irq 1: 72 keyboard irq 10: 177 eth0
irq 2: 0 cascade [4] irq 12: 8 PS/2 Mouse
irq 5: 0 es1370 irq 14: 2782 ide0
irq 8: 3 rtc
# procinfo
CPU0
0: 4122 XT-PIC timer
1: 72 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 0 XT-PIC es1370
8: 3 XT-PIC rtc
9: 0 XT-PIC acpi
10: 177 XT-PIC eth0
12: 8 XT-PIC PS/2 Mouse
14: 2782 XT-PIC ide0
NMI: 0
ERR: 0
Both kernels were compiled and installed under the same environment:
Linux grignard 2.4.18 #1 tor maj 30 22:09:28 CEST 2002 i686 unknown
Gnu C 2.95.4
Gnu make 3.79.1
util-linux 2.11n
mount 2.11n
modutils 2.4.15
e2fsprogs 1.27
Linux C Library 2.2.5
Dynamic linker (ldd) 2.2.5
Procps 2.0.7
Net-tools 1.60
Kbd [muligheder...]
Console-tools 0.2.3
Sh-utils 2.0.11
Modules Loaded parport_pc lp parport autofs4 es1370 soundcore ipt_REJECT ipt_unclean ipt_LOG ipt_limit ipt_state iptable_mangle iptable_nat iptable_filter ip_tables ip_conntrack_irc ip_conntrack_ftp ip_conntrack nls_iso8859-15 nls_cp865 vfat fat serial eepro100 af_packet rtc
Procinfo is procinfo-18; my system is Debian Woody.
Regards
/Rasmus
--
-- [ Rasmus "Møffe" Bøg Hansen ] ---------------------------------------
Because I don't want to force you to follow my philosophy, even though
it happens to be the only possible correct philosophy.
-- Ted Lemon
----------------------------------[ moffe at amagerkollegiet dot dk ] --
^ permalink raw reply [flat|nested] 3+ messages in thread* 1000000000 as irq count init (was: Procinfo behaving strange under 2.4.19-pre10) 2002-06-21 6:57 Procinfo behaving strange under 2.4.19-pre10 Rasmus Bøg Hansen @ 2002-06-23 20:02 ` Axel Thimm 2002-06-24 8:08 ` Adrian Bunk 0 siblings, 1 reply; 3+ messages in thread From: Axel Thimm @ 2002-06-23 20:02 UTC (permalink / raw) To: Rasmus Bøg Hansen; +Cc: Linux Kernel Mailing List, Sander van Malssen Hi, On Fri, Jun 21, 2002 at 08:57:25AM +0200, Rasmus Bøg Hansen wrote: > I upgraded a short time ago from kernel 2.4.18 to 2.4.19-pre10, but now > procinfo reports interrupts in a strange way. > > 2.4.19-pre10: > > # procinfo > [...] > irq 0:1000207681 timer irq 8:1000000003 > irq 1:1000004868 keyboard irq 9:1000000000 acpi > irq 2:1000000000 cascade [4] irq 10:1000007854 eth0 > irq 3:1000000000 irq 11:1000114199 nvidia > irq 4:1000000000 irq 12:1000026199 PS/2 Mouse > irq 5:1000003195 es1370 irq 13:1000000000 > irq 6:1000000000 irq 14:1000016806 ide0 > irq 7:1000000000 irq 15:1000000000 > [...] I can second this (while I switched from 2.4.19-pre6 to 2.4.18 with RedHat/SGI patches, but obviously the same patch hit me also). procinfo reads that info from /proc/stat, which is giving away that bogus (?) interrupt counts. It also causes xosview a horrible cpu 100% hang. :( [root@bonzo root]# uname -a Linux bonzo.nirvana 2.4.18-4SGI_XFS_1.1-bonzo #1 Sun Jun 23 17:49:32 CEST 2002 i686 unknown [root@bonzo root]# cat /proc/stat cpu 204580 0 5397 181674 cpu0 204580 0 5397 181674 page 193512 228084 swap 1 0 intr 668955 1000391651 1000008974 1000000000 1000000007 1000000008 1000000002 1000000008 1000000002 1000000001 1000212403 1000000000 1000000002 1000027284 1000000000 [...] 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 disk_io: (3,0):(28638,17974,387024,10664,456168) ctxt 1276299 btime 1024858081 processes 5380 -- Axel.Thimm@physik.fu-berlin.de ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: 1000000000 as irq count init (was: Procinfo behaving strange under 2.4.19-pre10) 2002-06-23 20:02 ` 1000000000 as irq count init (was: Procinfo behaving strange under 2.4.19-pre10) Axel Thimm @ 2002-06-24 8:08 ` Adrian Bunk 0 siblings, 0 replies; 3+ messages in thread From: Adrian Bunk @ 2002-06-24 8:08 UTC (permalink / raw) To: Axel Thimm Cc: Rasmus Bøg Hansen, Linux Kernel Mailing List, Sander van Malssen On Sun, 23 Jun 2002, Axel Thimm wrote: > On Fri, Jun 21, 2002 at 08:57:25AM +0200, Rasmus Bøg Hansen wrote: > > I upgraded a short time ago from kernel 2.4.18 to 2.4.19-pre10, but now > > procinfo reports interrupts in a strange way. > > > > 2.4.19-pre10: > > > > # procinfo > > [...] > > irq 0:1000207681 timer irq 8:1000000003 > > irq 1:1000004868 keyboard irq 9:1000000000 acpi > > irq 2:1000000000 cascade [4] irq 10:1000007854 eth0 > > irq 3:1000000000 irq 11:1000114199 nvidia > > irq 4:1000000000 irq 12:1000026199 PS/2 Mouse > > irq 5:1000003195 es1370 irq 13:1000000000 > > irq 6:1000000000 irq 14:1000016806 ide0 > > irq 7:1000000000 irq 15:1000000000 > > [...] > > I can second this (while I switched from 2.4.19-pre6 to 2.4.18 with RedHat/SGI > patches, but obviously the same patch hit me also). >... This is a known issue. The following patch to fix it is already in Marcelos BK reporsitory (which means that the fix will be in -pre11/-rc1): # -------------------------------------------- # 02/06/07 akpm@zip.com.au 1.537.1.44 # [PATCH] Remove debug code from /proc/stat # # This patch removes a piece of debug code which crept into the kernel # by accident. # -------------------------------------------- # diff -Nru a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c --- a/fs/proc/proc_misc.c Wed Jun 12 17:08:55 2002 +++ b/fs/proc/proc_misc.c Wed Jun 12 17:08:55 2002 @@ -336,7 +336,7 @@ #if !defined(CONFIG_ARCH_S390) for (i = 0 ; i < NR_IRQS ; i++) proc_sprintf(page, &off, &len, - " %u", kstat_irqs(i) + 1000000000); + " %u", kstat_irqs(i)); #endif proc_sprintf(page, &off, &len, "\ndisk_io: "); cu Adrian -- You only think this is a free country. Like the US the UK spends a lot of time explaining its a free country because its a police state. Alan Cox ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2002-06-24 8:08 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2002-06-21 6:57 Procinfo behaving strange under 2.4.19-pre10 Rasmus Bøg Hansen 2002-06-23 20:02 ` 1000000000 as irq count init (was: Procinfo behaving strange under 2.4.19-pre10) Axel Thimm 2002-06-24 8:08 ` Adrian Bunk
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