Re: LOR: "ata state lock" and "user map"

From: Andriy Gapon (avg_at_icyb.net.ua)
Date: 06/15/05

  • Next message: Max Laier: "Re: Which driver for Soekris lan1641?" 
    Date: Wed, 15 Jun 2005 15:16:21 +0300
To: freebsd-current@freebsd.org, freebsd-stable@freebsd.org

    on 09.06.2005 09:15 Andriy Gapon said the following:
    >
    > NOTE: CURRENT was run under qemu emulation, CDROM was emulated from iso
    > image on HDD.
    >
    > Got this LOR today with CURRENT built 3 days ago while trying to execute
    > a linux program located on a CD. Several days ago trying to do the same
    > on 5.4-RELEASE (without any debug options in kernel) on real hardware
    > caused a hardlock.
    >
    > System:
    > 6.0-CURRENT i386
    > debug.mpsafevm=1
    >
    > LOR message had this information:
    > 1st 0xc0eb44e8 ATA state lock ata-all.c:297
    > 2nd 0xc0c1f344 user map vm_map.c:2997
    >
    > Sources:
    > ata-all.c 1.252
    > /vm_map.c 1.366
    >
    > Interesting part of stack trace (not sure how useful it is):
    > #18 0x0000000c in ?? ()
    > #19 0x00000002 in ?? ()
    > #20 0xc0455a15 in ata_pio_read (request=0xc107b0c8, length=2048)
    > at cpufunc.h:229
    > #21 0xc045646c in ata_end_transaction (request=0xc107b0c8)
    > at /usr/src/sys/dev/ata/ata-lowlevel.c:393
    > #22 0xc0447659 in ata_interrupt (data=0xc0eb4400)
    > at /usr/src/sys/dev/ata/ata-all.c:323
    > #23 0xc04b5360 in ithread_loop (arg=0xc0eb9600)
    > at /usr/src/sys/kern/kern_intr.c:546
    > #24 0xc04b46fd in fork_exit (callout=0xc04b51bc <ithread_loop>,
    > arg=0xc0eb9600, frame=0xc7b41d38) at /usr/src/sys/kern/kern_fork.c:789
    > #25 0xc05df18c in fork_trampoline () at
    > /usr/src/sys/i386/i386/exception.s:208
    >
    > Please let me know what additional information I can provide.
    >

    additional details - the problem is 100% percent reproducible with linux
    applications but is 0% producible with native applications. 

    -- 
Andriy Gapon
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  • Next message: Max Laier: "Re: Which driver for Soekris lan1641?"