severity 900399 normal thanks I suggest you get some advice from the forum[1], and as Dmitry mentionned, bring the issue to Lenovo.
[1] http://forum.canardpc.com/forums/73-Memtest86-Official-forum?s=1407c99a4da914ef85e60c32c658ba16 ----- Mail original ----- > De: "Сергей Коган" <ko...@bit-integro.ru> > À: 900...@bugs.debian.org > Envoyé: Jeudi 7 Juin 2018 15:26:43 > Objet: Bug#900399: More good news > > Hi! > > Let's lower the severity of this bug and flag it as unverified. > > Given the datasheet for the TB62501 and actual board layout of the > T500 > - the described scenario (short from the VCC3SW to GND caused by a > stray > write to the PMH register) is highly improbable: > > - The LDO inside the RINKAN has an over-current protection set as low > as > 55mA and should prevent any damage even if the VCC3SW is shorted. > After > the single over-current/under-voltage event, RINKAN LDO is locked in > the > OFF state and requires a complete power-off to restart. > > - Unused pins of the PMH are in fact floating > > - Some RINKAN batches do show tendency to malfunction with no > apparent > reasons. The main board temperature could be a contributing factor. > > So, we have to seriously consider the possibility that two laptops > died > at the same time just by a coincidence. > > We do plan to run a memtest on the restored laptop using a current > measuring/limiting circuit on the VCC3SW bus. If no excessive current > consumption would be detected - the memtest has nothing to do with > the > issue. If an excessive current during the test would be observed, it > would get us a direction to resume the investigation. > > --- > Sincerely yours, > Sergey Kogan >
