A.Sajjad Zaidi
Eric Gillespie wrote:
> First off, CC: back to me, as my machine can't handle an estimated 200
> messages a day for me to sign up to the list 8-( - Anyway..
>
> I updated my kernel to 2.4.3 when the patch was released. (Tarballs -
> wonderful things!)
>
> However, I noticed that the kernel timer loses seconds over time with both the
> 2.4.2 and 2.4.3 kernels (seems to be at a steady rate...), and the rate of
> loss is NOT related to the CMOS clock. I compared against a 2.2.18 kernel,
> which lost about 1 second in 14 hours - about what I'd expect with my
> machine).
>
> Now, has anybody else noticed their 2.4.x kernel losing time? If so, and
> anyone knows how I can fix it so it behaves like 2.2.18, I'd be grateful.
>
> <offtopic>
> Can't say I like the April Fools release on "behalf" of Linus.
> </offtopic>
>
> ===================
> Some relevant data:
> Linux version 2.4.3 (root@brick.flying-brick.caverock.net.nz)
> (gcc version 2.95.3 19991030 (prerelease)) #2 Sat Mar 31 09:52:39 NZST 2001
>
> Software present (among others)
> Gnu C 2.95.3 Gnu make 3.77
> binutils 2.9.5.0.31 Linux C Library 2.2.2
> Dynamic linker (ldd) 2.2.2
>
> Processor information (from /proc/cpuinfo) for a Cyrix-M II-300:
> processor : 0
> vendor_id : CyrixInstead
> cpu family : 6
> model : 2
> model name : M II 3.5x Core/Bus Clock
> stepping : 8
> cpu MHz : 233.030
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 1
> wp : yes
> flags : fpu de tsc msr cx8 pge cmov mmx cyrix_arr
> bogomips : 465.30
>
> Loaded driver and hardware information (/proc/ioports, /proc/iomem)
> ==Drivers==
> 0000-001f : dma1
> 0020-003f : pic1
> 0040-005f : timer
> 0060-006f : keyboard
> 0080-008f : dma page reg
> 00a0-00bf : pic2
> 00c0-00df : dma2
> 00f0-00ff : fpu
> 0170-0177 : ide1
> 01f0-01f7 : ide0
> 0213-0213 : isapnp read
> 0220-022f : soundblaster
> 02f8-02ff : serial(auto)
> 0300-031f : eth0
> 0376-0376 : ide1
> 0388-038b : Yamaha OPL3
> 03c0-03df : vesafb
> 03f6-03f6 : ide0
> 0a79-0a79 : isapnp write
> 0cf8-0cff : PCI conf1
> 4000-400f : Silicon Integrated Systems [SiS] 5513 [IDE]
> 4000-4007 : ide0
> 4008-400f : ide1
> e000-e07f : Silicon Integrated Systems [SiS] 5597/5598 VGA
> ==memory info==
> 00000000-0009efff : System RAM
> 000a0000-000bffff : Video RAM area
> 000c0000-000c7fff : Video ROM
> 000f0000-000fffff : System ROM
> 00100000-01cfffff : System RAM
> 00100000-001e9c4f : Kernel code
> 001e9c50-002445d7 : Kernel data
> 08000000-082fffff : vesafb
> e1000000-e13fffff : Silicon Integrated Systems [SiS] 5597/5598 VGA
> e1400000-e140ffff : Silicon Integrated Systems [SiS] 5597/5598 VGA
> e1410000-e141ffff : Rockwell International HCF 56k V90 FaxModem
> [7.5.] PCI information ('lspci -vvv' as root)
> ==PCI Information==
>
> 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 5597 [SiS5582] (rev 10)
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
> Latency: 64 set
>
> 00:01.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 (rev 01)
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 0 set
>
> 00:01.1 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev d0) (prog-if 8a [Master SecP PriP])
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 64 set
> Interrupt: pin A routed to IRQ 14
> Region 0: I/O ports at <ignored>
> Region 1: I/O ports at <ignored>
> Region 2: I/O ports at <ignored>
> Region 3: I/O ports at <ignored>
> Region 4: I/O ports at 4000 [size=16]
>
> 00:0b.0 Serial controller: Rockwell International HCF 56k V90 FaxModem (rev 01) (prog-if 00 [8250])
> Subsystem: Aztech System Ltd MDP3858SP-A SVD Modem
> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Latency: 64 set
> Interrupt: pin A routed to IRQ 11
> Region 0: Memory at e1410000 (32-bit, non-prefetchable) [size=64K]
> Capabilities: [40] Power Management version 1
> Flags: PMEClk- AuxPwr+ DSI+ D1+ D2+ PME+
> Status: D0 PME-Enable- DSel=0 DScale=3 PME-
>
> 00:14.0 VGA compatible controller: Silicon Integrated Systems [SiS] 5597/5598 VGA (rev 68) (prog-if 00 [VGA])
> Subsystem: Silicon Integrated Systems [SiS]: Unknown device 0200
> Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> Interrupt: pin A routed to IRQ 0
> Region 0: Memory at e1000000 (32-bit, prefetchable) [size=4M]
> Region 1: Memory at e1400000 (32-bit, non-prefetchable) [size=64K]
> Region 2: I/O ports at e000 [size=128]
> Expansion ROM at <unassigned> [disabled] [size=32K]
>
> --
> /| _,.:*^*:., |\ Cheers from the Viking family,
> | |_/' viking@ `\_| | including Pippin, our cat
> | flying-brick | $FunnyMail Bilbo : Now far ahead the Road has gone,
> \_.caverock.net.nz_/ 5.39 in LOTR : Let others follow it who can!
>
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