Kernel test10-pre2, Dual Xeon PII(400 mhz), Mandrake 7.1, microde updates enabled Mounting my zipdrive(IMM) will result in something like this: Sysrq does not work, machine is completely dead after 20-40 seconds.The usual progession is CPU's lockup, modprobe dies, kflushed and syslogd follow shortly afterwards. NMI Watchdog detected LOCKUP on CPU0, registers: CPU: 0 EIP: 0010:[<c01d7243>] Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00200086 eax: 00002101 ebx: 00200202 ecx: 00000001 edx: 001f8f79 esi: 00002101 edi: 00000084 ebp: 00089e60 esp: c60e7e98 ds: 0018 es: 0018 ss: 0018 Process modprobe (pid: 1207, stackpage=c60e7000) Stack: c7eb4cc0 00000001 c0163bfa 00002101 c7eb4cc0 00000000 00000000 c60e7f0c c0163db1 00000000 c7eb4cc0 c7eb4cc0 00000001 0000000c 00001000 c01342a2 00000000 00000001 c60e7f0c c7fa5a64 c1197a7c c7c7da1c 00000000 00001000 Call Trace: [<c0163bfa>] [<c0163db1>] [<c01342a2>] [<c0153773>] [<c01530a8>] [<c Code: 80 3d c4 67 21 c0 00 f3 90 7e f5 e9 76 bd f8 ff 80 3d 34 2a >>EIP; c01d7243 <stext_lock+3223/81e0> <===== Trace; c0163bfa <generic_make_request+ae/110> Trace; c0163db1 <ll_rw_block+155/1c4> Trace; c01342a2 <block_read_full_page+1aa/1f4> Trace; c0153773 <ext2_readpage+f/14> Trace; c01530a8 <ext2_get_block+0/4d0> Code; c01d7243 <stext_lock+3223/81e0> 00000000 <_EIP>: Code; c01d7243 <stext_lock+3223/81e0> <===== 0: 80 3d c4 67 21 c0 00 cmpb $0x0,0xc02167c4 <===== Code; c01d724a <stext_lock+322a/81e0> 7: f3 90 repz nop Code; c01d724c <stext_lock+322c/81e0> 9: 7e f5 jle 0 <_EIP> Code; c01d724e <stext_lock+322e/81e0> b: e9 76 bd f8 ff jmp fff8bd86 <_EIP+0xfff8bd86> c0162fc9 <blk_get_queue+9/54> Code; c01d7253 <stext_lock+3233/81e0> 10: 80 3d 34 2a 00 00 00 cmpb $0x0,0x2a34 NMI Watchdog detected LOCKUP on CPU0, registers: CPU: 0 EIP: 0010:[<c01d7243>] EFLAGS: 00200086 eax: 00002105 ebx: 00200206 ecx: 00000005 edx: 00bc1f49 esi: 00002105 edi: 00000084 ebp: 00000010 esp: c1263f7c ds: 0018 es: 0018 ss: 0018 Process kflushd (pid: 4, stackpage=c1263000) Stack: c4f042c0 00000001 c0163bfa 00002105 c4f042c0 00000000 00000001 c1263fd8 c0163db1 00000001 c4f042c0 00000029 c7a9b380 00000001 c1262000 c013560a Warning (Oops_read): Code line not seen, dumping what data is available >>EIP; c01d7243 <stext_lock+3223/81e0> <===== If anyone has a patch to test let me know....I'll try anything once, twice if I like it...:=) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/