Messages in this thread | | | Date | Thu, 4 Mar 2004 21:43:44 +0800 | From | Trent Lloyd <> | Subject | Re: Server suddenly freezes but awakes upon SysRq!? |
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I've seen similar problems where the machines userspace seems to die but it still pings etc and requires a reboot This was on just P1/PPRO hardware, never figured it out. havent seen it for quite some time Haven't tried SQSRQ, if I see it again I'll try that.
Cheers, Trent Sixlabs
> Hello > > We have some problems with a server that started to suddenly freeze > every now and then which means that it does react to ping and tcp > connects but does not allow a login nor returns the shell or does syslog > write anything to disc or network. > > Funnily it always immediately awakes when we presses 'AltGr+SysGr+h' > although a login on the console did not work before. > > What could be the cause of this "sleep" mode if a sysrq ends it? > We noticed that at least 1-2 freezes occured right after accessing the > external usb2.0 backup harddrive. > > The server is a dual-p3 with a 3ware ide-scsi RAID and very low load as > postfix+apache server. > > bye, > > -christian- > > Some bits of the configuration: > > ... > CONFIG_MPENTIUMIII=y > ... > CONFIG_HIGHMEM4G=y > # CONFIG_HIGHMEM64G is not set > CONFIG_HIGHMEM=y > CONFIG_HIGHIO=y > # CONFIG_MATH_EMULATION is not set > CONFIG_MTRR=y > CONFIG_SMP=y > CONFIG_NR_CPUS=32 > # CONFIG_X86_NUMA is not set > # CONFIG_X86_TSC_DISABLE is not set > CONFIG_X86_TSC=y > CONFIG_HAVE_DEC_LOCK=y > # > # General setup > # > CONFIG_NET=y > CONFIG_X86_IO_APIC=y > CONFIG_X86_LOCAL_APIC=y > CONFIG_PCI=y > # CONFIG_PCI_GOBIOS is not set > # CONFIG_PCI_GODIRECT is not set > CONFIG_PCI_GOANY=y > CONFIG_PCI_BIOS=y > CONFIG_PCI_DIRECT=y > CONFIG_ISA=y > CONFIG_PCI_NAMES=y > # CONFIG_EISA is not set > # CONFIG_MCA is not set > CONFIG_HOTPLUG=y > ... > # CONFIG_ACPI is not set > CONFIG_ACPI_BOOT=y > ... > CONFIG_PNP=y > CONFIG_ISAPNP=m > ... > CONFIG_DEBUG_STACKOVERFLOW=y > # CONFIG_DEBUG_HIGHMEM is not set > # CONFIG_DEBUG_SLAB is not set > # CONFIG_DEBUG_IOVIRT is not set > CONFIG_MAGIC_SYSRQ=y > # CONFIG_DEBUG_SPINLOCK is not set > # CONFIG_FRAME_POINTER is not set > CONFIG_LOG_BUF_SHIFT=0 > > -- > Christian Hammers WESTEND GmbH | Internet-Business-Provider > Technik CISCO Systems Partner - Authorized Reseller > L?tticher Stra?e 10 Tel 0241/701333-11 > ch@westend.com D-52064 Aachen Fax 0241/911879 > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
-- [ Trent "Lathiat" Lloyd lathi@sixlabs.org ]/ "You sure as hell shouldn't be \ [ tlhIngan Hol Dajatlh'e www.sixlabs.org ]| fingering my toaster" -Linus | [ GPG Key Id: 0x04AB3C5D www.bur.st ]| Torvalds, LCA2003 Speakers dinner| [ IPv6 Conference http://conf.sixlabs.org ]\ talking about ipv6 with me / - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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