Unable to handle kernel paging request at virtual address f899b000

[Jesper Langkjær]

Hi..

Hope that somone can help us..

One of our customer has an RedHat 7.2 with a stock 2.4.7-10SMP kernel, and every now an then it starts to throw of all of the users on that assigned CPU.
It has 4 CPU and 1 Gb of ram

In the messages log we can read the following

Apr 23 16:10:57 desyv kernel: Unable to handle kernel paging request at virtual
address f899b000
Apr 23 16:10:57 desyv kernel:  printing eip:
Apr 23 16:10:57 desyv kernel: 00113102
Apr 23 16:10:57 desyv kernel: *pde = 021d2067
Apr 23 16:10:57 desyv kernel: *pte = 00000000
Apr 23 16:10:57 desyv kernel: Oops: 0000
Apr 23 16:10:57 desyv kernel: CPU:    0
Apr 23 16:10:57 desyv kernel: EIP:    0023:[exit_devpts_fs+1126546/-1072693360]
Apr 23 16:10:57 desyv kernel: EIP:    0023:[<00113102>]
Apr 23 16:10:57 desyv kernel: EFLAGS: 00010217
Apr 23 16:10:57 desyv kernel: eax: 00000030   ebx: 0000066f   ecx: 00000002   ed
x: 0010ecb0
Apr 23 16:10:57 desyv kernel: esi: 00000001   edi: 0040703c   ebp: bfffe8d0   es
p: bfffe8c0
Apr 23 16:10:57 desyv kernel: ds: 002b   es: 002b   ss: 002b
Apr 23 16:10:57 desyv login(pam_unix)[19909]: session closed for user frh
Apr 23 16:10:57 desyv kernel: Process todayx (pid: 19910, stackpage=f6bf1000)
Apr 23 16:10:57 desyv kernel:  <1>Unable to handle kernel paging request at virt
ual address f899b000
Apr 23 16:10:57 desyv kernel:  printing eip:
Apr 23 16:10:57 desyv kernel: 0011305c
Apr 23 16:10:57 desyv kernel: *pde = 021d2067
Apr 23 16:10:57 desyv kernel: *pte = 00000000
Apr 23 16:10:57 desyv kernel: Oops: 0000
Apr 23 16:10:57 desyv login(pam_unix)[2044]: session closed for user ka3
Apr 23 16:10:57 desyv kernel: CPU:    0
Apr 23 16:10:57 desyv kernel: EIP:    0023:[exit_devpts_fs+1126380/-1072693360]
Apr 23 16:10:57 desyv kernel: EIP:    0023:[<0011305c>]
Apr 23 16:10:57 desyv kernel: EFLAGS: 00010246
Apr 23 16:10:57 desyv kernel: eax: 00000004   ebx: bffff710   ecx: 0040aabc   ed
x: 00000001
Apr 23 16:10:57 desyv kernel: esi: 0049807c   edi: 0049dd94   ebp: bffff604   es
p: bffff5f4
Apr 23 16:10:57 desyv kernel: ds: 002b   es: 002b   ss: 002b
Apr 23 16:10:57 desyv kernel: Process todayx (pid: 2045, stackpage=eb9ef000)
Apr 23 16:10:57 desyv kernel:  <1>Unable to handle kernel paging request at virt
ual address f899b000
Apr 23 16:10:57 desyv kernel:  printing eip:
Apr 23 16:10:57 desyv kernel: 0011305c
Apr 23 16:10:57 desyv kernel: *pde = 021d2067
Apr 23 16:10:57 desyv kernel: *pte = 00000000
Apr 23 16:10:57 desyv kernel: Oops: 0000
Apr 23 16:10:57 desyv kernel: CPU:    0
Apr 23 16:10:57 desyv login(pam_unix)[23195]: session closed for user kv2
Apr 23 16:10:57 desyv kernel: EIP:    0023:[exit_devpts_fs+1126380/-1072693360]
Apr 23 16:10:57 desyv kernel: EIP:    0023:[<0011305c>]
Apr 23 16:10:57 desyv kernel: EFLAGS: 00010246
Apr 23 16:10:57 desyv kernel: eax: 00000004   ebx: bffff80d   ecx: 0042a111   ed
x: 00000001
Apr 23 16:10:57 desyv kernel: esi: 00000001   edi: 00473448   ebp: bffff758   es
p: bffff748
Apr 23 16:10:57 desyv kernel: ds: 002b   es: 002b   ss: 002b
Apr 23 16:10:58 desyv kernel: Process todayx (pid: 23196, stackpage=f6bbb000)
Apr 23 16:10:58 desyv kernel:  <1>Unable to handle kernel paging request at virt
ual address f899b000
Apr 23 16:10:58 desyv kernel:  printing eip:
Apr 23 16:10:58 desyv kernel: 0011305c
Apr 23 16:10:58 desyv kernel: *pde = 021d2067
Apr 23 16:10:58 desyv kernel: *pte = 00000000
Apr 23 16:10:58 desyv kernel: Oops: 0000
Apr 23 16:10:58 desyv kernel: CPU:    0
Apr 23 16:10:58 desyv kernel: EIP:    0023:[exit_devpts_fs+1126380/-1072693360]
Apr 23 16:10:58 desyv kernel: EIP:    0023:[<0011305c>]
Apr 23 16:10:58 desyv kernel: EFLAGS: 00010246
Apr 23 16:10:58 desyv kernel: eax: 00000004   ebx: bffff60d   ecx: 0042a111   ed
x: 00000001
Apr 23 16:10:58 desyv kernel: esi: 00000001   edi: 004b8118   ebp: bffff5f4   es
p: bffff5e4
Apr 23 16:10:58 desyv kernel: ds: 002b   es: 002b   ss: 002b
Apr 23 16:10:58 desyv login(pam_unix)[18459]: session closed for user nas
Apr 23 16:10:58 desyv kernel: Process todayx (pid: 18460, stackpage=d41e5000)
Apr 23 16:10:58 desyv kernel:  <1>Unable to handle kernel paging request at virt
ual address f899b000

Kind regards

Jesper Langkjær

----------------------------

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