Anyone who would like to test a new patch for this problem can find a patch against 2.2.14 called test_tlb_fix_patch.2.1.14 in the v2 ftp directory On Fri, Mar 31, 2000 at 01:30:48AM -0800, Surya wrote: > Hi all, > Sorry my chipset is PR440FX (not 440LX as mentioned previously). Same > results on upgrading to 2.2.14+RTLV2.2. I have observed on my machine a common > error message of "kernel NULL pointer dereference....." just after the "RTL > started" message in the kernel log messages file (/var/log/messages). Kernel > is getting stuck even while it is booting. I have attached a snapshot of one > of the booting sequence messages from the /var/log/messages file. You can see > the "stuck on TLB IPI wait (CPU#0)" message in the file a couple of times > while booting. Hope this helps in getting at a solution. > > I hope there are people successfully using a SMP machine. I would like to > know their configuration and the kernel versions they are using. I am unable > to run RTLinux on my machine at all. Hoping to hear for your solutions...... > > Surya. > > [EMAIL PROTECTED] wrote: > > > Try updating to 2.2. But you can cause this warning with long RT > > interrupt handlers or tasks. The problem is that Linux on CPU_A is > > sending a message to Linux on CPU_B asking it to synchronize on clearing > > the memory management TLB cache. Linux on CPU_A then waits for CPU_B to > > ack. If CPU_B is busy doing some RT activity, it will not ack in time and > > CPU_A will complain. If the warning is causing real problems, tell me and > > I'll fix it: there is a easy fix, but we have not yet put it in. > Feb 23 18:34:12 localhost syslogd 1.3-3: restart. > Feb 23 18:34:12 localhost syslog: syslogd startup succeeded > Feb 23 18:34:12 localhost kernel: klogd 1.3-3, log source = /proc/kmsg started. > Feb 23 18:34:12 localhost kernel: Inspecting /boot/System.map > Feb 23 18:34:12 localhost syslog: klogd startup succeeded > Feb 23 18:34:12 localhost kernel: Loaded 7533 symbols from /boot/System.map. > Feb 23 18:34:12 localhost kernel: Symbols match kernel version 2.2.13. > Feb 23 18:34:12 localhost kernel: No module symbols loaded. > Feb 23 18:34:12 localhost kernel: Linux version 2.2.13-rtl2.0 (root@surya) (gcc >version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #14 SMP Wed Feb 23 18:17:34 >PST 2000 > Feb 23 18:34:12 localhost kernel: Intel MultiProcessor Specification v1.4 > Feb 23 18:34:12 localhost kernel: Virtual Wire compatibility mode. > Feb 23 18:34:12 localhost kernel: OEM ID: INTEL Product ID: PR440FX APIC at: >0xFEC08000 > Feb 23 18:34:12 localhost kernel: Processor #0 Pentium(tm) Pro APIC version 17 > Feb 23 18:34:12 localhost kernel: Processor #12 Pentium(tm) Pro APIC version 17 > Feb 23 18:34:12 localhost kernel: I/O APIC #13 Version 17 at 0xFEC00000. > Feb 23 18:34:12 localhost kernel: Processors: 2 > Feb 23 18:34:12 localhost kernel: mapped APIC to ffffe000 (fec08000) > Feb 23 18:34:12 localhost kernel: mapped IOAPIC to ffffd000 (fec00000) > Feb 23 18:34:12 localhost kernel: Detected 198666647 Hz processor. > Feb 23 18:34:12 localhost kernel: Console: colour VGA+ 80x25 > Feb 23 18:34:12 localhost kernel: Calibrating delay loop... 198.25 BogoMIPS > Feb 23 18:34:12 localhost kernel: Memory: 127396k/131072k available (1172k kernel >code, 416k reserved, 2040k data, 48k init) > Feb 23 18:34:12 localhost kernel: Checking 386/387 coupling... OK, FPU using >exception 16 error reporting. > Feb 23 18:34:12 localhost kernel: Checking 'hlt' instruction... OK. > Feb 23 18:34:12 localhost kernel: POSIX conformance testing by UNIFIX > Feb 23 18:34:12 localhost kernel: mtrr: v1.35a (19990819) Richard Gooch >([EMAIL PROTECTED]) > Feb 23 18:34:12 localhost kernel: per-CPU timeslice cutoff: 50.16 usecs. > Feb 23 18:34:12 localhost kernel: CPU0: Intel Pentium Pro stepping 09 > Feb 23 18:34:12 localhost kernel: calibrating APIC timer ... > Feb 23 18:34:12 localhost kernel: ..... CPU clock speed is 198.6717 MHz. > Feb 23 18:34:12 localhost kernel: ..... system bus clock speed is 66.2236 MHz. > Feb 23 18:34:12 localhost kernel: Booting processor 12 eip 2000 > Feb 23 18:34:12 localhost kernel: Calibrating delay loop... 198.25 BogoMIPS > Feb 23 18:34:13 localhost kernel: OK. > Feb 23 18:34:13 localhost kernel: CPU12: Intel Pentium Pro stepping 09 > Feb 23 18:34:13 localhost kernel: Total of 2 processors activated (396.49 BogoMIPS). > Feb 23 18:34:13 localhost kernel: enabling symmetric IO mode... ...done. > Feb 23 18:34:13 localhost kernel: ENABLING IO-APIC IRQs > Feb 23 18:34:13 localhost kernel: init IO_APIC IRQs > Feb 23 18:34:13 localhost kernel: IO-APIC pin 0, 2, 10, 11, 13, 16, 19, 20, 21, 22, >23 not connected. > Feb 23 18:34:13 localhost kernel: ...trying to set up timer as ExtINT... .. (found >pin 0) ... works. > Feb 23 18:34:13 localhost kernel: number of MP IRQ sources: 15. > Feb 23 18:34:13 localhost kernel: number of IO-APIC registers: 24. > Feb 23 18:34:13 localhost kernel: testing the IO APIC....................... > Feb 23 18:34:13 localhost kernel: .... register #00: 0D000000 > Feb 23 18:34:13 localhost kernel: ....... : physical APIC id: 0D > Feb 23 18:34:13 localhost kernel: .... register #01: 00170011 > Feb 23 18:34:13 localhost kernel: ....... : max redirection entries: 0017 > Feb 23 18:34:13 localhost kernel: ....... : IO APIC version: 0011 > Feb 23 18:34:13 localhost kernel: .... register #02: 00000000 > Feb 23 18:34:13 localhost kernel: ....... : arbitration: 00 > Feb 23 18:34:13 localhost kernel: .... IRQ redirection table: > Feb 23 18:34:13 localhost kernel: NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect: > > Feb 23 18:34:13 localhost kernel: 00 000 00 0 0 0 0 0 0 7 61 > Feb 23 18:34:13 localhost kernel: 01 000 00 0 0 0 0 0 1 1 69 > Feb 23 18:34:13 localhost kernel: 02 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: 03 000 00 0 0 0 0 0 1 1 71 > Feb 23 18:34:13 localhost kernel: 04 000 00 0 0 0 0 0 1 1 79 > Feb 23 18:34:13 localhost kernel: 05 000 00 0 0 0 0 0 1 1 81 > Feb 23 18:34:13 localhost kernel: 06 000 00 0 0 0 0 0 1 1 89 > Feb 23 18:34:13 localhost kernel: 07 000 00 0 0 0 0 0 1 1 91 > Feb 23 18:34:13 localhost kernel: 08 000 00 0 0 0 0 0 1 1 99 > Feb 23 18:34:13 localhost kernel: 09 000 00 0 0 0 0 0 1 1 A1 > Feb 23 18:34:13 localhost kernel: 0a 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: 0b 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: 0c 000 00 0 0 0 0 0 1 1 A9 > Feb 23 18:34:13 localhost kernel: 0d 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: 0e 000 00 0 0 0 0 0 1 1 B1 > Feb 23 18:34:13 localhost kernel: 0f 000 00 0 0 0 0 0 1 1 B9 > Feb 23 18:34:13 localhost kernel: 10 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: 11 0FF 0F 1 1 0 1 0 1 1 C1 > Feb 23 18:34:13 localhost kernel: 12 0FF 0F 1 1 0 1 0 1 1 C9 > Feb 23 18:34:13 localhost kernel: 13 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: 14 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: 15 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: 16 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: 17 000 00 1 0 0 0 0 0 0 00 > Feb 23 18:34:13 localhost kernel: .................................... done. > Feb 23 18:34:13 localhost kernel: RTL started > Feb 23 18:34:13 localhost kernel: Unable to handle kernel NULL pointer dereference >at virtual address 00000000 > Feb 23 18:34:13 localhost kernel: current->tss.cr3 = 00101000, %cr3 = 00101000 > Feb 23 18:34:13 localhost kernel: *pde = 00000000 > Feb 23 18:34:13 localhost kernel: Oops: 0002 > Feb 23 18:34:13 localhost kernel: CPU: 12 > Feb 23 18:34:13 localhost kernel: EIP: 0010:[<00000000>] > Feb 23 18:34:13 localhost kernel: EFLAGS: 00010087 > Feb 23 18:34:13 localhost kernel: eax: 00000000 ebx: 0000000c ecx: c7ffa000 >edx: 00000018 > Feb 23 18:34:13 localhost kernel: esi: 00000041 edi: c7ffbf7c ebp: c7ffbf74 >esp: c7ffbf5c > Feb 23 18:34:13 localhost kernel: ds: 0018 es: 0018 ss: 0018 > Feb 23 18:34:13 localhost kernel: Process swapper (pid: 0, process nr: 1, >stackpage=c7ffb000) > Feb 23 18:34:13 localhost kernel: Stack: c7ffa000 c7ffa000 c027fca0 00000041 >c7ffbf90 00000000 00000000 PCI: PCI BIOS revision 2.10 entry at 0xfd9a1 > Feb 23 18:34:13 localhost kernel: c010ab8c PCI: Using configuration type 1 > Feb 23 18:34:13 localhost kernel: > Feb 23 18:34:13 localhost kernel: PCI: Probing PCI hardware > Feb 23 18:34:13 localhost kernel: c7ffa000 c7ffa000 00000002 c7ffa000 c027fca0 >00000000 00000600 00000018 > Feb 23 18:34:13 localhost kernel: 00000018 00000041 c01079a5 00000010 >00000246 00000000 00000000 00000000 > Feb 23 18:34:13 localhost kernel: Call Trace: [common_smp_interrupt+24/48] >[cpu_idle+61/80] [do_IRQ+69/72] [rtl_intercept+116/424] [common_interrupt+24/48] > Feb 23 18:34:13 localhost kernel: Code: <1>Unable to handle kernel NULL pointer >dereference at virtual address 00000000 > Feb 23 18:34:13 localhost kernel: current->tss.cr3 = 00101000, %cr3 = 00101000 > Feb 23 18:34:13 localhost kernel: *pde = 00000000 > Feb 23 18:34:13 localhost kernel: PCI->APIC IRQ transform: (B0,I6,P0) -> 18 > Feb 23 18:34:13 localhost kernel: PCI->APIC IRQ transform: (B0,I9,P0) -> 17 > Feb 23 18:34:13 localhost kernel: PCI->APIC IRQ transform: (B0,I17,P0) -> 18 > Feb 23 18:34:13 localhost kernel: PCI: 00:00 [8086/1237]: Passive release enable >(00) > Feb 23 18:34:13 localhost kernel: Linux NET4.0 for Linux 2.2 > Feb 23 18:34:13 localhost kernel: Based upon Swansea University Computer Society >NET3.039 > Feb 23 18:34:13 localhost kernel: NET4: Unix domain sockets 1.0 for Linux NET4.0. > Feb 23 18:34:13 localhost kernel: NET4: Linux TCP/IP 1.0 for NET4.0 > Feb 23 18:34:13 localhost kernel: IP Protocols: ICMP, UDP, TCP > Feb 23 18:34:13 localhost kernel: Starting kswapd v 1.5 > Feb 23 18:34:13 localhost kernel: Detected PS/2 Mouse Port. > Feb 23 18:34:13 localhost kernel: Unable to handle kernel NULL pointer dereference >at virtual address 00000000 > Feb 23 18:34:13 localhost kernel: current->tss.cr3 = 00101000, %cr3 = 00101000 > Feb 23 18:34:13 localhost kernel: *pde = 00000000 > Feb 23 18:34:13 localhost kernel: Serial driver version 4.27 with no serial options >enabled > Feb 23 18:34:13 localhost kernel: ttyS00 at 0x03f8 (irq = 4) is a 16550A > Feb 23 18:34:13 localhost kernel: ttyS01 at 0x02f8 (irq = 3) is a 16550A > Feb 23 18:34:13 localhost kernel: pty: 256 Unix98 ptys configured > Feb 23 18:34:13 localhost kernel: Real Time Clock Driver v1.09 > Feb 23 18:34:13 localhost kernel: PIIX3: IDE controller on PCI bus 00 dev 39 > Feb 23 18:34:13 localhost kernel: PIIX3: not 100% native mode: will probe irqs later > Feb 23 18:34:13 localhost kernel: ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: >hda:pio, hdb:pio > Feb 23 18:34:13 localhost kernel: ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: >hdc:pio, hdd:pio > Feb 23 18:34:13 localhost kernel: hdc: FX120T, ATAPI CDROM drive > Feb 23 18:34:13 localhost kernel: ide1 at 0x170-0x177,0x376 on irq 15 > Feb 23 18:34:13 localhost kernel: hdc: ATAPI 12X CD-ROM drive, 256kB Cache > Feb 23 18:34:13 localhost kernel: Uniform CDROM driver Revision: 2.56 > Feb 23 18:34:13 localhost kernel: Floppy drive(s): fd0 is 1.44M > Feb 23 18:34:13 localhost kernel: FDC 0 is a National Semiconductor PC87306 > Feb 23 18:34:13 localhost kernel: stuck on TLB IPI wait (CPU#0) > Feb 23 18:34:13 localhost kernel: (scsi0) <Adaptec AIC-7880 Ultra SCSI host adapter> >found at PCI 9/0 > Feb 23 18:34:13 localhost kernel: (scsi0) Wide Channel, SCSI ID=7, 16/255 SCBs > Feb 23 18:34:13 localhost kernel: (scsi0) Downloading sequencer code... 413 >instructions downloaded > Feb 23 18:34:13 localhost kernel: scsi0 : Adaptec AHA274x/284x/294x >(EISA/VLB/PCI-Fast SCSI) 5.1.20/3.2.4 > Feb 23 18:34:13 localhost kernel: <Adaptec AIC-7880 Ultra SCSI host adapter> > Feb 23 18:34:13 localhost kernel: scsi : 1 host. > Feb 23 18:34:13 localhost kernel: (scsi0:0:1:0) Synchronous at 20.0 Mbyte/sec, >offset 8. > Feb 23 18:34:13 localhost kernel: Vendor: SEAGATE Model: ST19101W Rev: >0011 > Feb 23 18:34:13 localhost kernel: Type: Direct-Access ANSI >SCSI revision: 02 > Feb 23 18:34:13 localhost kernel: Detected scsi disk sda at scsi0, channel 0, id 1, >lun 0 > Feb 23 18:34:13 localhost kernel: scsi : detected 1 SCSI disk total. > Feb 23 18:34:13 localhost kernel: SCSI device sda: hdwr sector= 512 bytes. Sectors= >17783240 [8683 MB] [8.7 GB] > Feb 23 18:34:14 localhost kernel: eth0: Intel EtherExpress Pro 10/100 at 0xff40, >00:A0:C9:14:0E:CA, IRQ 18. > Feb 23 18:34:14 localhost kernel: Board assembly 645520-034, Physical connectors >present: RJ45 > Feb 23 18:34:14 localhost kernel: Primary interface chip DP83840 PHY #1. > Feb 23 18:34:14 localhost kernel: DP83840 specific setup, setting register 23 to >8462. > Feb 23 18:34:14 localhost kernel: General self-test: passed. > Feb 23 18:34:14 localhost kernel: Serial sub-system self-test: passed. > Feb 23 18:34:14 localhost kernel: Internal registers self-test: passed. > Feb 23 18:34:14 localhost kernel: ROM checksum self-test: passed (0x49caa8d6). > Feb 23 18:34:14 localhost kernel: Receiver lock-up workaround activated. > Feb 23 18:34:14 localhost kernel: Partition check: > Feb 23 18:34:14 localhost kernel: sda: sda1 sda2 < sda5 sda6 sda7 > > Feb 23 18:34:14 localhost kernel: VFS: Mounted root (ext2 filesystem) readonly. > Feb 23 18:34:14 localhost kernel: Freeing unused kernel memory: 48k freed > Feb 23 18:34:14 localhost kernel: stuck on TLB IPI wait (CPU#0) > Feb 23 18:34:14 localhost kernel: stuck on TLB IPI wait (CPU#0) > Feb 23 18:34:14 localhost kernel: Adding Swap: 313228k swap-space (priority -1) > Feb 23 18:34:12 localhost atd: atd startup succeeded > Feb 23 18:34:14 localhost crond: crond startup succeeded > Feb 23 18:34:15 localhost rc: Starting pcmcia succeeded > Feb 23 18:34:15 localhost inet: inetd startup succeeded > Feb 23 18:34:15 localhost lpd: lpd startup succeeded > Feb 23 18:34:15 localhost keytable: Loading keymap: Loading system font: > Feb 23 18:34:15 localhost rc: Starting keytable succeeded > Feb 23 18:34:16 localhost sendmail: sendmail startup succeeded > Feb 23 18:34:16 localhost gpm: gpm startup succeeded > Feb 23 18:34:17 localhost xfs: xfs startup succeeded > Feb 23 18:34:17 localhost linuxconf: Linuxconf final setup > Feb 23 18:34:19 localhost rc: Starting linuxconf succeeded > Feb 23 18:34:30 localhost PAM_pwdb[498]: (login) session opened for user root by >LOGIN(uid=0) > Feb 23 18:40:00 localhost kernel: stuck on TLB IPI wait (CPU#0) > Feb 23 18:40:00 localhost last message repeated 20 times > Feb 23 18:46:04 localhost PAM_pwdb[498]: (login) session closed for user root > Feb 23 18:46:06 localhost rc: Stopping keytable succeeded > Feb 23 18:46:07 localhost Font Server[463]: terminating > Feb 23 18:46:07 localhost xfs: xfs shutdown succeeded > Feb 23 18:46:07 localhost gpm: Shutting down gpm mouse services: > Feb 23 18:46:07 localhost gpm: gpm > Feb 23 18:46:07 localhost gpm: > Feb 23 18:46:07 localhost rc: Stopping gpm succeeded > Feb 23 18:46:08 localhost sendmail: sendmail shutdown succeeded > Feb 23 18:46:08 localhost inet: inetd shutdown succeeded > Feb 23 18:46:08 localhost atd: atd shutdown succeeded > Feb 23 18:46:09 localhost crond: crond shutdown succeeded > Feb 23 18:46:09 localhost lpd: lpd shutdown succeeded > Feb 23 18:46:10 localhost dd: 1+0 records in > Feb 23 18:46:10 localhost dd: 1+0 records out > Feb 23 18:46:10 localhost random: Saving random seed succeeded > Feb 23 18:46:10 localhost portmap: portmap shutdown succeeded > Feb 23 18:46:11 localhost network: Shutting down interface eth0 succeeded > Feb 23 18:46:11 localhost network: Disabling IPv4 automatic defragmentation succeeded > Feb 23 18:46:11 localhost kernel: Kernel logging (proc) stopped. > Feb 23 18:46:11 localhost kernel: Kernel log daemon terminating. > Feb 23 18:46:12 localhost syslog: klogd shutdown succeeded > Feb 23 18:46:13 localhost exiting on signal 15 -- --------------------------------------------------------- Victor Yodaiken FSMLabs: www.fsmlabs.com www.rtlinux.com FSMLabs is a servicemark and a service of VJY Associates L.L.C, New Mexico. -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] --- For more information on Real-Time Linux see: http://www.rtlinux.org/rtlinux/
