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From: "Christopher S. Aker" <caker@theshore.net>
To: user-mode-linux-devel@lists.sourceforge.net
Subject: [uml-devel] SKAS race condition status?
Date: Mon, 17 Oct 2005 17:50:52 -0500	[thread overview]
Message-ID: <43542ACC.7020108@theshore.net> (raw)

Has there been any progress on the race in SKAS?  I've been dealing with 
2-4 hosts crashing a week.  Same thing happens on my old SKAS kernel, 
2.6.7 with skas3-v4 or so.

From:
http://marc.theaimsgroup.com/?t=112376981300002&r=1&w=2

Unable to handle kernel paging request at virtual address 00002000
   printing eip:
00000000
*pde = 2a771001
Oops: 0000 [#1]
SMP
Modules linked in:
CPU:    2
EIP:    0200:[<00000000>]    Not tainted VLI
EFLAGS: 00010292   (2.6.11.11-1-bigmem)
EIP is at 0x0
eax: ef66b784   ebx: ef7ba000   ecx: ef60f540   edx: 00000000
esi: 00000001   edi: 00000000   ebp: ef7bbf14   esp: ef7bbf9c
ds: 007b   es: 007b   ss: 0068
Process 2.4.29-linode39 (pid: 11195, threadinfo=ef7ba000 task=ef60f540)
Stack: ef7bbfc4 ef7ba000 c0106fd7 00000005 be7ff890 c0104934 be7ff768
be7ff760
         00000000 c0102639 be7ff768 00000000 40029d00 be7ff760 00000000
be7ff928
         00000000 0000007b 0000007b 0000004e 40100fb1 00000073 00000246
be7ff74c
Call Trace:
   [<c0106fd7>] do_syscall_trace+0x97/0x10e
   [<c0104934>] math_state_restore+0x24/0x40
   [<c0102639>] syscall_trace_entry+0x11/0x2a
Code:  Bad EIP value.

Is there code I could add there to OOPs rather than panic?  I'd prefer 
to have just one UML go down rather than the entire host.

Thanks!
-Chris


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             reply	other threads:[~2005-10-17 22:53 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-10-17 22:50 Christopher S. Aker [this message]
2005-10-25 16:44 ` [uml-devel] SKAS race condition status? Christopher S. Aker
2005-10-25 16:57   ` Christopher S. Aker
2005-10-25 17:58     ` Blaisorblade
2005-10-25 21:37       ` Christopher S. Aker
2005-10-25 21:58   ` Peter
2005-10-25 22:10     ` Christopher S. Aker
2005-10-25 22:25       ` Peter

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