Sean Rendell wrote: > Hi all, > > I was wondering if someone knows how to debug this. I have a HP xw4300 PC > with 2G RAM and 3GHz P4. Included is a Promise EX8350 RAID card with 4 > drives configured as RAID5. While doing some lengthy disk exercises (ie cp > a 200G directory of files) the kernel usually panics. > > This is the 2.6.23 kernel patched to 2.6.24-rc4. The only module is the > stex driver, all other drivers are in the kernel. > > Can anyone debug this? (I am not a software guy) Do you need more info? > > cya > Sean > > > (copied by hand from the screen) > raidology:/home# mkdir foo > raidology:/home# cp -a * foo/ > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 40 3c a7 17 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 06 85 cc 17 00 01 00 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 31 1c 66 27 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 4f 1f 87 f7 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 4a 07 d1 ef 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 18 8e 33 30 00 00 01 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 18 8e 33 3f 00 00 08 00 > stex(0000:11:0e.0): aborting command > sd 4:0:0:0: [sdb] CDB: cdb[0]=0x2a: 2a 00 02 ba 77 b7 00 00 08 00 > BUG: unable to handle kernel NULL pointer dereference at virtual address > 00000000 printing eip: 00000000 *pde = 00000000 > Oops: 0000 [#1] SMP > Modules linked in: stex > > Pid: 0, comm: swapper Not tainted (2.6.24-rc4loca-RAID5-02 #1) > EIP: 0060:[<00000000>] EFLAGS: 00010046 CPU:0 > EIP is at run_init_process+0x3fefff40/0x20 > EAX: f7760900 EBX: f7548d78 ECX: f7760900 EDX: 00000000 > ESI: f7760900 EDI: f7f6eaa0 EBP: f7f6ea70 ESP: c04ebeec > DS: 007b ES: 007b FS: 00d8 GS: 0000 SS:0068 > Process swapper (pid: 0, ti=c04ea000 task=c04b53a0 task.ti=c04ea000) > Stack: f887c4be c04ebf24 c04ebf1c c04ebf2c f8d9e000 f7f6eaa0 00000001 > 00ced0bd f7f6ea70 f8d9e000 00000246 00000001 f887ceb2 f7670e80 00000000 > 00000000 00000010 c013dff5 c04df580 00000010 00000000 c04df5b0 c013f7d4 > 00000800 Call Trace: > [<f887c4be>] stex_mu_intr+0x10e/0x4f0 [stex] > [<f887ceb2>] stex_intr+0x42/0x70 [stex] > [<c013dff5>] handle_IRQ_event+0x25/0x60 > [<c013f7d4>] handle_fasteoi_irq+0x74/0xf0 > [<c01056dd>] do_IRQ+0x3b/0x80 > [<c010f957>] smp_apic_timer_interrupt+0x57/0x90 > [<c010354f>] common_interrupt+0x23/0x28 > [<c0100c16>] mwait_idle_with_hints+0x46/0x60 > [<c0100f85>] cpu_idle+0x65/0x80 > [<c04f0cbf>] start_kernel+0x2af/0x2f0 > [<c04f0400>] unknown_bootoption+0x0/0x1f0 > ======================= > Code: Bad EIP value. > EIP: [<00000000>] run_init_process=0x3fefff40/0x20 SS:ESP 0068:c04ebeec > Kernel panic - not syncing: Fatal exception in interrupt
gdb stex.o l *stex_mu_intr+0x10e That will give you the exact line that failed Greeting, Eike
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